Safety label guide
Allergen and cross-contact warnings on supplement labels
An allergen statement can be easy to miss on a crowded supplement label. This guide shows where to look and how to separate required allergen declarations from voluntary cross-contact warnings.
The quick read
- NCCIH points out that supplements can cause side effects and interact with medications, which makes warning language necessary without making it sufficient. NCCIH using dietary supplements wisely
- FTC and FDA standards require health claims to stay evidence-based, including on labels aimed at sensitive populations. FTC health products compliance guidance FDA 101 dietary supplements FDA supplement claim substantiation guidance
- Look for warning context you can act on, rather than ingredient names buried in small print. FDA food allergies and major allergen labeling FDA 101 dietary supplements
- For anyone managing a medical condition, warning text is a prompt to ask a clinician rather than an answer in itself. NCCIH using dietary supplements wisely FDA 101 dietary supplements
What the evidence says
Bottom line
Allergen and contamination language needs to be explicit and easy to locate. Ambiguous placement transfers the risk to the people least able to absorb it. FDA food allergies and major allergen labeling NCCIH using dietary supplements wisely
A warning that says cross-contamination or traces without further detail marks the start of your due diligence. FDA 101 dietary supplements FTC health products compliance guidance
Shop MAKE FIT and ENERGIZED+ with allergen statements
NutriScore may earn a commission if you buy through these links. Every button opens the MAKE Wellness referral store ($10 off a first order of $99 or more). Amounts and uses match the boxes and Supplement Facts panels, checked October 23, 2026. Affiliate disclosure.
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The box prints 30 orange sachets, Metabolic Matrix Technology, and Strength + Recovery. The Supplement Facts panel lists 25 mcg vitamin D3, 5 mg vitamin B6 (P-5-P), 30 mcg vitamin B12 (methylcobalamin), 100 mcg vitamin K1, 100 mg magnesium (as magnesium glycinate), 3,038 mg Metabolic Matrix Technology with PeptiStrong PLUS fava bean peptides, and 100 mg natural caffeine per 6.85 g sachet.
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The box prints 15 power punch sachets, E+MC2 Technology, and Energy + Vitality. The Supplement Facts panel lists 100 mg natural caffeine from green coffee bean extract, 300 mg vitamin C, B-complex vitamins, 400 mg choline, 3 mg zinc, 200 mcg copper, and 1,330.5 mg E+MC2 Technology (L-tyrosine, taurine, glycine, hydrolyzed whey peptide isolate, BCAAs, gotu kola, and inositol) per 4.34 g sachet.
Small print with large consequences
A warning only protects someone who can find it and understand what it covers. Generic fine print does neither. FDA food allergies and major allergen labeling FTC health products compliance guidance
Mandatory declarations cover milk, eggs, fish, Crustacean shellfish, tree nuts, peanuts, wheat, soybeans, and sesame. Advisory statements about shared facilities or possible traces are voluntary and describe a different cross-contact risk. FDA food allergies and major allergen labeling
How this affects a score
NutriScore favors labels that get explicit about allergens, traces, and risk context before they start making broad health claims. NCCIH using dietary supplements wisely FTC health products compliance guidance FDA supplement claim substantiation guidance
A warning printed without readable ingredient context did not help anyone decide anything. FDA food allergies and major allergen labeling FDA 101 dietary supplements
What to check on the label
Primary allergens
Confirm that milk, eggs, fish, Crustacean shellfish, tree nuts, peanuts, wheat, soybeans, and sesame are declared when present. FDA food allergies and major allergen labeling
Traceability language
Check whether cross-contamination wording is specific to a facility or process. FDA food allergies and major allergen labeling
Known allergy
Avoid any product containing a food you are allergic to. Food-allergy reactions can require urgent medical care; follow an established allergy emergency plan and seek professional help for a suspected reaction. FDA food allergies and major allergen labeling
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Sources
- NCCIH using dietary supplements wisely: https://www.nccih.nih.gov/health/using-dietary-supplements-wisely
- FDA food allergies and major allergen labeling: https://www.fda.gov/food/nutrition-food-labeling-and-critical-foods/food-allergies
- FTC health products compliance guidance: https://www.ftc.gov/business-guidance/resources/health-products-compliance-guidance
- FDA 101 dietary supplements: https://www.fda.gov/consumers/consumer-updates/fda-101-dietary-supplements
- FDA supplement claim substantiation guidance: https://www.fda.gov/regulatory-information/search-fda-guidance-documents/guidance-industry-substantiation-dietary-supplement-claims-made-under-section-403r-6-federal-food
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How this article was made
NutriScore has not commissioned independent clinical review of this article.
Read the editorial policy and scoring methodology. Sources favor primary canon, regulators, product labels, and peer-reviewed research; reputable secondary reporting is identified when used.
Corrections: send corrections or updated label/source evidence to support@nutriscore.fit or use the contact page.
Sources: 5 entries, primary canon plus reputable secondary sources with inline acknowledgment, last reviewed 2026-09-01.
For research and educational purposes only. Not medical advice.