Supplement Facts Label: A Complete 21 CFR 101.36 Guide

If you're launching a protein powder, a gummy vitamin, or a herbal tincture, the label on the front of the pack will look familiar — but the panel on the back isn't a Nutrition Facts label at all. It's a Supplement Facts panel, governed by a different regulation with its own mandatory format. A supplement facts label generator needs to get this distinction right from the start, because the two panels aren't interchangeable and using the wrong one is an easy way to get a product bounced from a retailer's review.

Supplement Facts vs Nutrition Facts: what's actually different

At a glance, the two panels share a family resemblance — both are boxed, both list nutrients with %DV, both use a bold header. But 21 CFR 101.36 requires the words 'Supplement Facts' to appear in noticeably larger, bolder type than a standard Nutrition Facts title, specifically so a shopper or reviewer can tell at a glance which regulation applies. The nutrient order is also different: 101.36(b) sets its own required sequence for vitamins, minerals, and other dietary ingredients, which doesn't map one-to-one onto the food nutrient order in 101.9.

The practical difference that trips people up most is scope. A conventional food label reports what's naturally in the food. A Supplement Facts panel reports what's been added as a dietary ingredient — herbs, amino acids, enzymes, botanicals, and concentrates that wouldn't normally appear in a food nutrient database at all. That's a different declaration problem, even when the underlying maths (converting a formulation into per-serving amounts and %DV) is conceptually similar.

Why does this panel exist as a separate thing?

The short answer is a piece of 1994 legislation. Before that year, dietary supplements sat in a legal grey zone somewhere between food and drug regulation. The Dietary Supplement Health and Education Act, universally shortened to DSHEA, resolved that by creating dietary supplements as their own defined regulatory category — with its own labeling rules, its own safety framework, and its own path to market that doesn't require pre-approval the way a new drug does.

“Today I am pleased to sign S. 784, the 'Dietary Supplement Health and Education Act of 1994.'”

That's a piece of history, not current commentary — DSHEA was signed on October 25, 1994, and it's the reason a bottle of fish oil and a bag of flour follow entirely different labeling rules today, more than three decades later.

The mandatory disclaimer

Because DSHEA lets supplement makers describe a product's effect on the body's structure or function without FDA pre-approval of that claim, the law requires an offsetting disclaimer wherever such a claim appears. The wording is fixed, not paraphrased: 'This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.' A jar of turmeric capsules claiming to 'support healthy joints', for instance, must carry this exact disclaimer alongside that claim.

Do I need to repeat the disclaimer on every panel?

This is where things shifted recently. The underlying rule, 21 CFR 101.93(d), has historically required the disclaimer to repeat on every panel of a package where a qualifying claim appears — front, back, and any additional panel. As of December 11, 2025, the FDA announced it will exercise enforcement discretion on that specific repetition requirement while it considers a rulemaking change that would allow a single linked disclaimer instead of repeating the full text on every panel. It's worth being clear about what this is and isn't: it's a compliance-easing development on formatting, not a loosening of the underlying disclaimer requirement itself. If your product makes a structure/function claim, the disclaimer still has to appear — the open question is only how many times it has to be printed.

New Dietary Ingredient notifications

One more DSHEA-era mechanic worth knowing if you're formulating with a genuinely novel ingredient: a New Dietary Ingredient Notification, or NDIN, is the process for telling the FDA about a dietary ingredient that wasn't marketed in the US supplement supply before DSHEA's 1994 cutoff. The FDA released updated educational materials on the NDIN process in June 2025, aimed at helping smaller supplement makers understand when a notification is actually required versus when an ingredient already has an established history of use. It's a narrower requirement than most producers will ever trigger, but worth checking early if your formulation includes something unusual.

A cottage supplement brand's first panel

Picture a small-batch elderberry syrup brand moving from farmers' markets into its first wholesale accounts. Its founder had built the product's back-panel copy by eye, copying the general layout of a Nutrition Facts label she'd seen on a juice bottle — wrong title size, food-style nutrient order, no DSHEA disclaimer at all, because the product had never needed one for direct farmers'-market sales. Retail buyers flagged it within a week. The fix wasn't difficult once she knew what was actually required: correct 'Supplement Facts' title formatting, the 101.36(b) nutrient order for her added vitamin C and elderberry extract, and the disclaimer alongside her immune-support claim. The formulation itself never changed — only the panel that described it correctly.

Same engine, different panel

It's worth understanding that a Supplement Facts panel and a Nutrition Facts panel are, underneath the formatting differences, solving the same underlying problem: converting a formulation into accurate per-serving nutrient amounts with correctly calculated %DV. The nutrient data both draw on ultimately traces back to the same reference sources food scientists already use. What changes is the title, the mandated nutrient order, and whether a DSHEA disclaimer is required — not the arithmetic itself. That's why the same computation engine can reasonably serve both a bakery printing a Nutrition Facts label and a supplement brand printing a Supplement Facts panel; the panel format is a rendering choice layered on top of the same underlying calculation.

Common mistakes on Supplement Facts panels

• Copying a Nutrition Facts layout instead of the 101.36 format — wrong title size, wrong nutrient order.
• Making a structure/function claim on the front of pack without the required disclaimer anywhere on the package.
• Assuming a food nutrient database covers herbal or botanical dietary ingredients — many don't, and need separate sourcing.
• Skipping an NDIN check for a genuinely novel ingredient with no pre-1994 marketing history.
• Not checking whether the December 2025 enforcement-discretion update actually changes anything for your specific label — it addresses repetition across panels, not whether the disclaimer is required at all.

For the food side of this comparison — what a standard Nutrition Facts label requires and why it's formatted the way it is — see our complete Nutrition Facts label guide. For allergen declarations and exemptions that can also apply to supplement ingredients, our FDA nutrition label requirements guide covers that ground in more depth.

Whether you're formulating a food or a supplement, the panel on the back of the pack is a regulated document with its own exact rules, not a design template to adapt from whatever's closest to hand. Get the panel type right first, then the formatting details follow from there. If you're ready to see how your own formulation renders, pricing for the full label generator is a good next stop.