{"id":17065,"date":"2025-11-17T14:42:59","date_gmt":"2025-11-17T14:42:59","guid":{"rendered":"https:\/\/flmdev.dev1.symbiotica.rs\/regulatory-hub\/%regulatory-category%\/supplement-labels-rounding-rules-explained\/"},"modified":"2026-02-23T13:03:44","modified_gmt":"2026-02-23T13:03:44","slug":"supplement-labels-rounding-rules-explained","status":"publish","type":"regulatory-hub","link":"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/","title":{"rendered":"FDA Dietary Supplement Labeling Requirements for Rounding Rules"},"content":{"rendered":"<p>As scientific as dietary supplement labeling may seem, the math behind it is a vital backbone of compliance and regulations. That\u2019s where Rounding Rules come into play \u2013 a set of rules <a href=\"https:\/\/www.fda.gov\/files\/food\/published\/Food-Labeling-Guide-%28PDF%29.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">the FDA <\/a>has issued for food manufacturers to follow for declaring nutrients on food products.<\/p>\n\n\n\n<p>Supplement label requirements are established by the FDA to ensure consistency and transparency for consumers. At Food Label Maker, we simplify this process for you by integrating those regulations directly into <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplements-formulation-labelling\/\">our platform<\/a>.<\/p>\n\n\n\n<p>This article serves as the definitive guide to FDA supplement facts labeling rounding rules, ensuring complete compliance for all supplement manufacturers.<\/p>\n\n\n\n<p>If you\u2019d like to explore the Supplements Labeling &amp; Formulation Software at Food Label Maker, <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\">book a demo today.<\/a><\/p>\n\n\n\r\n\r\n<div class=\"blog-post-cta clr-main-bg p-6\">\r\n    <div class=\"cta-holder\">\r\n                    <div class=\"title clr-white\"><p>Formulate, Analyze, and Generate FDA-Compliant Supplement Labels<\/p>\n<\/div>\r\n        \r\n        <div class=\"btn-holder\">\r\n                            \t\t<a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\" class=\"btn btn-primary px-5\" target=\"\">Book a Demo<\/a>\r\n\t\t                                <\/div>\r\n    <\/div>\r\n<\/div>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-1024x639.jpeg\" alt=\"five oblong medication pills\" class=\"wp-image-13333\" srcset=\"https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-1024x639.jpeg 1024w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-300x187.jpeg 300w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-768x479.jpeg 768w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-1536x958.jpeg 1536w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-900x561.jpeg 900w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-645x402.jpeg 645w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-420x262.jpeg 420w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-318x198.jpeg 318w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-290x181.jpeg 290w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-630x393.jpeg 630w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2-280x175.jpeg 280w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-2.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.pexels.com\/photo\/five-oblong-medication-pills-593451\/\">Photo by Julie Viken<\/a><\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0f393a;color:#0f393a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0f393a;color:#0f393a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Supplement_Facts_Label_Rounding_Rules_Table\" >Supplement Facts Label: Rounding Rules Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Areas_of_Accuracy_in_Supplement_Labeling\" >Areas of Accuracy in Supplement Labeling<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Adding_Zero_to_Supplement_Facts_Labels\" >Adding Zero to Supplement Facts Labels<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Protein_Declaration_on_Supplement_Facts_Labels\" >Protein Declaration on Supplement Facts Labels<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#FDA_Rounding_Rules_for_Vitamins_and_Minerals\" >FDA Rounding Rules for Vitamins and Minerals\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Rounding_Rules_for_Supplement_Forms\" >Rounding Rules for Supplement Forms<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Key_Points_To_Consider\" >Key Points To Consider<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Simplifying_FDA_Rounding_Rules_with_Supplements_Labeling_Software\" >Simplifying FDA Rounding Rules with Supplements Labeling Software<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#How_do_I_know_if_my_Supplements_Facts_Label_is_compliant_with_FDA_regulations\" >How do I know if my Supplements Facts Label is compliant with FDA regulations?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#What_is_the_rule_of_omission_in_supplements_facts_labeling\" >What is the rule of omission in supplements facts labeling?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-labels-rounding-rules-explained\/#Can_I_create_a_supplements_facts_label_for_whey_protein_powder\" >Can I create a supplements facts label for whey protein powder?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-supplement-facts-label-rounding-rules-table\"><span class=\"ez-toc-section\" id=\"Supplement_Facts_Label_Rounding_Rules_Table\"><\/span>Supplement Facts Label: Rounding Rules Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The table below outlines the rules for rounding nutrient values on <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/supplement-facts-labeling-requirements\/\">supplement facts labels.<\/a>\u00a0<\/p>\n\n\n\n<p>You can also download an <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2023\/09\/Checklist-C2-23.pdf\">FDA Rounding Rules Compliance Checklist<\/a> to ensure that you are rounding correctly when creating your supplement facts label.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nutrient<\/strong><\/td><td><strong>Rounding Rule<\/strong><\/td><td><strong>Insignificant Amount<\/strong><\/td><\/tr><tr><td>Calories<br>Calories from Fat<br>Calories from Saturated Fat<\/td><td>&lt; 5 cal \u2013 round as 0<br>\u226450 cal \u2013 round to nearest 5 cal increment<br>&gt; 50 cal \u2013 round to nearest 10 cal increment<\/td><td>&lt; 5 cal<\/td><\/tr><tr><td>Total Fat<br>Saturated Fat<br>Trans Fat<br>Polyunsaturated Fat\u00a0<br>Monounsaturated Fat\u00a0<\/td><td>&lt; 0.5 g \u2013 round as 0<br>&lt; 5 g \u2013 round to nearest 0.5g increment<br>\u22655 g \u2013 round to nearest 1 g increment<\/td><td>&lt; 0.5 g<\/td><\/tr><tr><td>Cholesterol<\/td><td>&lt; 2 mg \u2013 round as 0<br>2 \u2013 5 mg \u2013 round as \u201cless than 5 mg\u201d&gt; 5 mg \u2013 round to nearest 5 mg increment<\/td><td>&lt; 2 mg<\/td><\/tr><tr><td>Sodium<br>Potassium<\/td><td>&lt; 5 mg \u2013 round as 0<br>5 \u2013 140 mg \u2013 round to nearest 5 mg increment<br>&gt; 140 mg \u2013 round to nearest 10 mg increment<\/td><td>&lt; 5 mg<\/td><\/tr><tr><td>Total Carbohydrate<br>Dietary Fiber<br>Sugars<\/td><td>&lt; 0.5 g \u2013 round as 0<br>&lt; 1 g \u2013 round as \u201cContains less than 1 g\u201d or \u201cless than 1 g\u201d<br>\u22651 g \u2013 round to nearest 1 g increment<\/td><td>&lt; 1 g<\/td><\/tr><tr><td>Soluble and Insoluble Fiber<br>Sugar Alcohol<br>Other Carbohydrate<\/td><td>&lt; 0.5 g \u2013 round as 0\u00a0<br>&lt; 1 g \u2013 round as \u201cContains less than 1 g \u201c or \u201cless than 1 g\u201d<br>\u22651 g \u2013 express to nearest 1 g increment<\/td><td>&lt; 0.5 g<\/td><\/tr><tr><td>Protein<\/td><td>&lt; 0.5 g \u2013 round as 0<br>&lt; 1 g \u2013 round as \u201cContains less than 1 g\u201d or \u201cless than 1 g\u201d or to 1 g if 0.5 g to &lt; 1 g<br>\u22651 g \u2013 round to nearest 1 g increment<\/td><td>&lt; 1 g<\/td><\/tr><tr><td>When declaring nutrients other than vitamins and minerals that have RDIs as a % DV<\/td><td>round to nearest 1% DV increment\u00a0<\/td><td>&lt; 1% DV<\/td><\/tr><tr><td>Vitamins &amp; Minerals (% DV)<\/td><td>&lt; 2% of RDI may be rounded in various ways (Refer to the FDA Food Labeling Guide for a more detailed explanation)<br>\u226410% of RDI \u2013 round to nearest 2% DV increment<br>&gt; 10% \u2013 50% of RDI \u2013 round to nearest 5% DV increment<br>&gt; 50% of RDI \u2013 round to nearest 10% DV increment<\/td><td>&lt; 2% RDI<\/td><\/tr><tr><td>Servings per Container<\/td><td>round to nearest 0.5<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Table information has been sourced from Appendix H of <a href=\"https:\/\/www.fda.gov\/files\/food\/published\/Food-Labeling-Guide-%28PDF%29.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">the FDA Food Labeling Guide<\/a>:<\/p>\n\n\n\n<p>Note: Keep these 2 points in mind for grams and %DV increments.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Round up when a value is exactly halfway though, or higher than, 2 numbers.\u00a0<\/li>\n\n\n\n<li>Round down when a value is less than halfway between two whole numbers.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-areas-of-accuracy-in-supplement-labeling\"><span class=\"ez-toc-section\" id=\"Areas_of_Accuracy_in_Supplement_Labeling\"><\/span>Areas of Accuracy in Supplement Labeling<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-adding-zero-to-supplement-facts-labels\"><span class=\"ez-toc-section\" id=\"Adding_Zero_to_Supplement_Facts_Labels\"><\/span>Adding Zero to Supplement Facts Labels<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>When listing nutrients on a Supplement Facts panel, a core difference from conventional food labeling (Nutrition Facts) is the treatment of values that round to zero.\u00a0<\/p>\n\n\n\n<p>The FDA generally <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/part-101\/section-101.36#p-101.36(b)(2)(i)\" target=\"_blank\" rel=\"noreferrer noopener\">prohibits adding \u201c0\u201d to nutrients<\/a> in the Supplement Facts panel \u2013 often referred to as the \u201cOmission of Zero\u201d rule. Therefore, if the amount of a nutrient per serving is low enough to round down to zero (according to the specific supplement rounding rules <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-101\/subpart-A\/section-101.9\" target=\"_blank\" rel=\"noreferrer noopener\">21 CFR 101.9(c)<\/a>) that nutrient line must be omitted entirely from the supplement facts panel. This rule ensures clarity and avoids printing insignificant quantitative values.\u00a0<\/p>\n\n\n\n<p>For context, this contrasts sharply with the Nutrition Facts label for conventional food, where \u201czero\u201d values are often required or permitted to be declared for certain nutrients to indicate their absence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-protein-declaration-on-supplement-facts-labels\"><span class=\"ez-toc-section\" id=\"Protein_Declaration_on_Supplement_Facts_Labels\"><\/span>Protein Declaration on Supplement Facts Labels<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>When it comes to protein, the FDA states \u201cProtein <strong>shall not be declared<\/strong> on labels of products that contain only individual amino acids (other than those added for technological reasons).\u201d <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/part-101\/section-101.36#p-101.36(b)(2)(i)\" target=\"_blank\" rel=\"noreferrer noopener\">21 CFR 101.36(b)(2)(i)<\/a><\/p>\n\n\n\n<p>This means that if your product is a supplement composed only of individual amino acids, you do not do any protein rounding rules and should completely omit any protein listing from the label. The declaration of protein, and its\u2019 rounding rules (1g increments), only apply when the supplement contains intact, functional protein (such as a whey or plant-based protein powder).\u00a0<\/p>\n\n\n\n<p>If the product is only amino acids, the \u201comission rule\u201d applies immediately, and no rounding takes place for a protein value.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fda-rounding-rules-for-vitamins-and-minerals-nbsp\"><span class=\"ez-toc-section\" id=\"FDA_Rounding_Rules_for_Vitamins_and_Minerals\"><\/span>FDA Rounding Rules for Vitamins and Minerals\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The tiered rounding system is the core of compliance for vitamins and minerals, ensuring consistency and transparency for consumers.\u00a0<\/p>\n\n\n\n<p><a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/rounding-rules\/\">Building on the 2016 label updates for nutrition panels<\/a>, the FDA also confirmed that the display of specific quantitative amounts (mg or mcg) is required on the Supplement Facts label.<\/p>\n\n\n\n<p>The tables below (from the FDA under <a href=\"https:\/\/www.fda.gov\/media\/117402\/download?attachment\" target=\"_blank\" rel=\"noreferrer noopener\">Nutrition and Supplement Facts Labels: Questions and Answers Related to the Compliance Date, Added Sugars, and Declaration of Quantitative Amounts of Vitamins and Minerals: Guidance for Industry<\/a>) detail how to declare vitamins and minerals on supplement facts labels. \u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nutrient<\/strong><\/td><td><strong>Recommended Increment<\/strong><\/td><\/tr><tr><td>Vitamin A<\/td><td>Nearest 10 mcg<\/td><\/tr><tr><td>Vitamin C<\/td><td>Nearest mg<\/td><\/tr><tr><td>Calcium *<\/td><td>Nearest 10 mg<\/td><\/tr><tr><td>Iron *<\/td><td>Nearest .1 mg<\/td><\/tr><tr><td>Vitamin D *<\/td><td>Nearest .1 mcg<\/td><\/tr><tr><td>Vitamin E<\/td><td>Nearest .1 mg<\/td><\/tr><tr><td>Vitamin K<\/td><td>Nearest mcg<\/td><\/tr><tr><td>Thiamin<\/td><td>Nearest .01 mg<\/td><\/tr><tr><td>Riboflavin<\/td><td>Nearest .01 mg<\/td><\/tr><tr><td>Niacin<\/td><td>Nearest .1 mg<\/td><\/tr><tr><td>Vitamin B6<\/td><td>Nearest .01 mg<\/td><\/tr><tr><td>Folate<\/td><td>Nearest 5 mcg<\/td><\/tr><tr><td>Vitamin B12<\/td><td>Nearest .01 mcg<\/td><\/tr><tr><td>Biotin<\/td><td>Nearest .1 mcg<\/td><\/tr><tr><td>Pantothenic acid<\/td><td>Nearest .1 mg<\/td><\/tr><tr><td>Phosphorus<\/td><td>Nearest 10 mg<\/td><\/tr><tr><td>Iodine<\/td><td>Nearest mcg<\/td><\/tr><tr><td>Magnesium<\/td><td>Nearest 5 mg<\/td><\/tr><tr><td>Zinc<\/td><td>Nearest .1 mg<\/td><\/tr><tr><td>Selenium<\/td><td>Nearest mcg<\/td><\/tr><tr><td>Copper<\/td><td>Nearest .01 mg<\/td><\/tr><tr><td>Manganese<\/td><td>Nearest .01 mg<\/td><\/tr><tr><td>Chromium<\/td><td>Nearest .1 mcg<\/td><\/tr><tr><td>Molybdenum<\/td><td>Nearest .1 mcg<\/td><\/tr><tr><td>Chloride<\/td><td>Nearest 10 mg<\/td><\/tr><tr><td>Potassium *<\/td><td>Nearest 10 mg<\/td><\/tr><tr><td>Choline<\/td><td>Nearest 10 mg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>* mandatory vitamin\/mineral that must be mentioned on both nutrition facts and supplement facts labels<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nutrient<\/strong><\/td><td><strong>Rounding Rule<\/strong><\/td><td><strong>Insignificant Amount<\/strong><\/td><\/tr><tr><td>General<\/td><td>Based on units of measurement and levels of significance from the RDI table.<\/td><td>Zeros after decimal points can be dropped. Additional decimal places can be used if needed for accuracy.<\/td><\/tr><tr><td>Less than 2% of RDI<\/td><td>Not required to be declared on the Supplements Facts label.<\/td><td>If the nutrient\u2019s actual level is zero (0) after applying the general rounding rules, it must be omitted from the label (Rule of Omission).<\/td><\/tr><tr><td>Dietary Supplements<\/td><td>Must declare vitamin D, calcium, iron, and potassium regardless of amount, unless the Rule of Omission is applied (i.e., the amount is zero after rounding).<\/td><td><\/td><\/tr><tr><td>RDI &lt; 5 mg or mcg<\/td><td>Round to the nearest hundredth of a mg or mcg per serving.<\/td><td>Applies to thiamin, riboflavin, vitamin B6, vitamin B12, copper, and manganese.<\/td><\/tr><tr><td>RDI 5-50 mg or mcg<\/td><td>Round to the nearest tenth of a mg or mcg per serving.<\/td><td>Applies to iron, vitamin D, vitamin E, niacin, biotin, pantothenic acid, zinc, chromium, and molybdenum.<\/td><\/tr><tr><td>RDI 50-250 mg or mcg<\/td><td>Round to the nearest mg or mcg per serving.<\/td><td>Applies to vitamin C, vitamin K, iodine, and selenium.<\/td><\/tr><tr><td>RDI 250-500 mg or mcg<\/td><td>Round to the nearest 5 mg or mcg per serving.<\/td><td>Applies to folate and magnesium.<\/td><\/tr><tr><td>RDI 500 mg or mcg or greater<\/td><td>Round to the nearest 10 mg or mcg per serving.<\/td><td>Applies to vitamin A, calcium, phosphorus, chloride, potassium, and choline.<\/td><\/tr><tr><td>All nutrients except protein<\/td><td>Calculate the percent DV.<\/td><td>Manufacturers can use either the declared amount or the actual amount before rounding for consistency.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-rounding-rules-for-supplement-forms\"><span class=\"ez-toc-section\" id=\"Rounding_Rules_for_Supplement_Forms\"><\/span>Rounding Rules for Supplement Forms<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The FDA rounding rules must be applied consistently regardless of the physical form your dietary supplement takes. Whether you manufacture a tiny capsule containing highly concentrated vitamins or a large scoop of protein powder, the final declarations on your Supplement Facts label must remain compliant.\u00a0<\/p>\n\n\n\n<p>This means manufacturers must apply the same specific rounding increments for total fat, carbohydrates, and minerals.\u00a0<\/p>\n\n\n\n<p>These rules are governed by the specific requirements for dietary supplements outlined in <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/section-101.36\" target=\"_blank\" rel=\"noreferrer noopener\">21 CFR 101.36<\/a><\/p>\n\n\n\n<p>The form of the product may influence the ingredient profile (e.g., fillers, binders, or solvents), but it does not change the mathematical rules used to declare the required nutrients per serving.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-1024x682.jpeg\" alt=\"spilled bottle of yellow capsule pills\" class=\"wp-image-13339\" srcset=\"https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-1024x682.jpeg 1024w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-300x200.jpeg 300w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-768x512.jpeg 768w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-1536x1023.jpeg 1536w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-900x600.jpeg 900w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-645x430.jpeg 645w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-420x280.jpeg 420w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-318x212.jpeg 318w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-290x193.jpeg 290w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-630x420.jpeg 630w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3-280x187.jpeg 280w, https:\/\/flmdev.dev1.symbiotica.rs\/wp-content\/uploads\/2025\/11\/image-3.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.pexels.com\/photo\/spilled-bottle-of-yellow-capsule-pills-208518\/\" target=\"_blank\" rel=\"noreferrer noopener\">Photo by Pixabay<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-key-points-to-consider\"><span class=\"ez-toc-section\" id=\"Key_Points_To_Consider\"><\/span>Key Points To Consider<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>While the rounding rules are universal, manufacturers should be mindful of a few form-specific points:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Protein Powders: <\/strong>The form of protein is critical here. As we mentioned earlier, the declaration of Protein (and its associated rounding rules) must be omitted entirely if the product contains only individual amino acids, applying the Rule of Omission immediately, regardless of what the calculated value might be. Listing \u201cProtein\u201d could mislead consumers about the product\u2019s actual dietary function.<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Pills and Capsules:<\/strong> For these highly concentrated forms, the serving size (often 1 or more capsules\/pills) is fixed, and the focus remains solely on accurately applying the rounding rules to the typically small quantitative amounts of vitamins and minerals contained within that serving.<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Liquids and Drops:<\/strong> Since the serving size is often measured by volume (e.g., dropperfuls or milliliters), manufacturers must ensure the nutrient content used for rounding calculations is precisely representative of the declared volume, as slight variations in viscosity or dispensing can impact the quantitative value.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-simplifying-fda-rounding-rules-with-supplements-labeling-software\"><span class=\"ez-toc-section\" id=\"Simplifying_FDA_Rounding_Rules_with_Supplements_Labeling_Software\"><\/span>Simplifying FDA Rounding Rules with Supplements Labeling Software<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Navigating the granular details of the FDA\u2019s tiered rounding rules can be one of the most challenging aspects of supplement manufacturing compliance. From quantitative values and % DV increments to the complex Rule of Omission for zero values \u2013 these regulations are often layered with information making it difficult to keep up with technicalities, all whilst running a successful business.\u00a0<\/p>\n\n\n\n<p>However, these complex regulations don\u2019t have to be a constant source of stress. At <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplements-formulation-labelling\/\">Food Label Maker<\/a>, we\u2019ve integrated the specific requirements of <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/section-101.36\" target=\"_blank\" rel=\"noreferrer noopener\">21 CFR 101.36<\/a> directly into our supplement labeling and formulation software, reducing the stressful and tedious process of manual calculations.<\/p>\n\n\n\n<p>With our tool you\u2019ll get:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Automated Rounding: <\/strong>The software automatically applies the correct tiered rounding for every nutrient, eliminating manual calculations and ensuring adherence to the smallest acceptable increment.<\/li>\n\n\n\n<li><strong>Real-time Regulatory Updates:<\/strong> We ensure you\u2019re always working with the most recent FDA guidelines, preventing non-compliance due to outdated rules.<\/li>\n\n\n\n<li><strong>Error Reduction:<\/strong> By processing ingredient data through a verified database, it minimizes the risk of errors in the Supplement Facts panel.<\/li>\n<\/ul>\n\n\n\n<p>In conclusion, the FDA\u2019s rounding rules are essential for maintaining transparency and consistency for consumers. But rather than spending valuable hours manually cross-referencing tables and worrying about tiny rounding increments, modern nutrition analysis software offers an invaluable, streamlined pathway to compliance. By embracing these tools, you can ensure your labels are both perfectly compliant and exceptionally clear to your consumers.<\/p>\n\n\n\n<p>Ready to ensure your next supplement label is fully compliant in minutes? <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\">Book a demo with us at Food Label Maker.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-do-i-know-if-my-supplements-facts-label-is-compliant-with-fda-regulations\"><span class=\"ez-toc-section\" id=\"How_do_I_know_if_my_Supplements_Facts_Label_is_compliant_with_FDA_regulations\"><\/span>How do I know if my Supplements Facts Label is compliant with FDA regulations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>At Food Label Maker, we fully integrate the FDA regulations for supplements facts labeling into our software. We provide fully FDA-compliant supplement facts labels that then need to be approved by the FDA.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.fda.gov\/food\/dietary-supplements-guidance-documents-regulatory-information\/dietary-supplement-labeling-guide-chapter-iv-nutrition-labeling#:~:text=Compliance-,What%20kind%20of%20samples%20will%20FDA%20collect%20to%20determine%20compliance%20with%2021%20CFR%20101.36%3F,-FDA%20will%20collect\" target=\"_blank\" rel=\"noreferrer noopener\">According to the FDA,<\/a> a composite of 12 subsamples (consumer packages) or 10 percent of the number of packages in the same inspection lot, will be randomly collected and inspected for compliance to <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/part-101\/section-101.36#p-101.36(f)(1)\">21 CFR 101.36(f)(1)<\/a>.<\/p>\n\n\n\n<p>To get started, <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\">book a demo<\/a> with our team and you\u2019ll be guided through every step of the process.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-rule-of-omission-in-supplements-facts-labeling\"><span class=\"ez-toc-section\" id=\"What_is_the_rule_of_omission_in_supplements_facts_labeling\"><\/span>What is the rule of omission in supplements facts labeling?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The Rule of Omission is not an official, codified term found in the <a href=\"https:\/\/www.fda.gov\/regulatory-information\/laws-enforced-fda\/federal-food-drug-and-cosmetic-act-fdc-act\" target=\"_blank\" rel=\"noreferrer noopener\">Federal Food, Drug, and Cosmetic Act (FFDCA)<\/a> or the <a href=\"https:\/\/www.fda.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\">U.S. Food and Drug Administration (FDA) regulations.<\/a><\/p>\n\n\n\n<p>It\u2019s actually a type of industry jargon that was created as a shorthand for the regulation <a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/part-101\/section-101.36#p-101.36(b)(2)(i)\">that states<\/a> that certain mandatory nutrients \u201cshall not be declared\u201d if they are not present or are present in amounts that can be declared as \u201czero\u201d.<\/p>\n\n\n\n<p>To get started, <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\">book a demo<\/a> and see how you can create FDA-compliant supplement facts labels easily.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-i-create-a-supplements-facts-label-for-whey-protein-powder\"><span class=\"ez-toc-section\" id=\"Can_I_create_a_supplements_facts_label_for_whey_protein_powder\"><\/span>Can I create a supplements facts label for whey protein powder?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Yes you can.\u00a0<\/p>\n\n\n\n<p>The labeling for whey protein powder can be either a Supplement Facts panel or a Nutrition Facts panel, depending on how the product is marketed and categorized by the manufacturer under FDA guidelines.\u00a0<\/p>\n\n\n\n<p>The majority of whey protein powder is marketed as a dietary supplement, intended to supplement the diet by increasing total dietary intake, rather than being a conventional food item. The supplement facts label <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/regulatory-hub\/fda\/dietary-supplements\/fda-dietary-supplement-claims\/\">must include a disclaimer<\/a> at the bottom if any \u201cstructure\/function\u201d claims are made.\u00a0<\/p>\n\n\n\n<p>If you\u2019d like more information, <a href=\"https:\/\/flmdev.dev1.symbiotica.rs\/en-mx\/supplement-submission-form\/\">book a demo<\/a> and one of our account managers will lead you through the process.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"author":8,"featured_media":13347,"parent":0,"template":"","meta":{"_acf_changed":true},"regulatory-category":[342],"class_list":["post-17065","regulatory-hub","type-regulatory-hub","status-publish","has-post-thumbnail","hentry","regulatory-category-dietary-supplements"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FDA Supplement Labeling: Rounding Rules Explained<\/title>\n<meta name=\"description\" content=\"Learn the FDA rounding rules for the Supplement Facts panel. 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