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How To Read A Supplement Facts Panel In Two Minutes

Written by the Gelagensupport Editorial Desk Checked by Dr. Jodi Langer, MD Updated November 4, 2026 All posts

Start at the serving size, not at the ingredients

A Supplement Facts panel is a regulated form, which is why every one on every shelf has the same fields in the same order. 21 CFR 101.36 is the rule behind it, and it asks for a quantitative amount by weight per serving for each declared nutrient with the percent Daily Value beside it. Learn the order once and every label becomes readable.

The first line is the serving size, and it decides what every number underneath means. On the Gelagen panel the serving is two gummies, so the thirteen amounts below it describe two gummies rather than one. Nothing on this website halves a panel figure to produce a per-gummy amount, because the panel publishes none and an invented one would be a number a buyer could not check.

The second line is servings per container. The front of the Gelagen jar prints 60 GUMMIES in large type, and sixty gummies at the label’s own two a day is thirty servings, so a jar is a month. Do that arithmetic on any bottle you pick up: a price only means something once you know how many days it buys.

The nutrient lines, and what the percentage is a percentage of

Under the serving lines comes the body of the panel: one row per nutrient, each with a name, an amount by weight and a percentage. The percentage is the part people misread. It is not a percentage of what you personally need and it is not a percentage of a dose. It is the amount set against the Daily Value, a single published reference figure for adults and children of four and over.

Two rows from the Gelagen label show how far that stretches. Vitamin C is printed at 20 mg against a Daily Value of 90 mg, so the panel shows about 22 per cent. Biotin is printed at 5,000 mcg against a Daily Value of 30 mcg, so the same column shows more than sixteen thousand per cent. Both are the same arithmetic, and neither rates how well anything works.

Field order follows 21 CFR 101.36. The right-hand column is what each field is worth with the Gelagen jar in your hand.

The units, and the three that are not plain weights

Most of a panel is milligrams and micrograms, and the only trap there is the decimal point. Choline on this label is printed as 0.04 mg, which is forty micrograms written in milligrams because the rest of the column is in milligrams. Read the unit before the number.

Three units on a beauty panel are not plain weights. Folate is printed in mcg DFE, dietary folate equivalents, a unit that exists because folic acid is absorbed better than the folate in food (NIH on folate and the DFE unit). Vitamin A is printed in mcg RAE, retinol activity equivalents, which is what lets preformed vitamin A and beta-carotene share a column (NIH on vitamin A and RAE). And IU is the older unit still seen on vitamin D and E: the 10 mcg of vitamin D here is 400 IU in that unit (NIH on vitamin D).

None of that is decoration. Two labels can print the same number against folate and mean different things if one is in mcg and the other in mcg DFE.

Five units on one small rectangle is ordinary here, and the unit is the first thing to check when two labels seem to disagree.

The footnote, and why some nutrients have no percentage

Somewhere near the bottom of most panels there is a marked line and a short footnote saying that no Daily Value has been established. On the Gelagen label the line belongs to inositol, printed at 40 mcg.

The reason is in the regulation rather than in the bottle. Daily Values are set in 21 CFR 101.9, and inositol is not in it, so there is no published reference figure for a panel to calculate a percentage against. A label that printed one would be inventing it. The footnote is the panel obeying the rule it is written under (the panel rule), and it tells a reader something real: for that ingredient, the amount is all there is to go on.

So a footnoted line can only be compared against another label, never against a reference. Forty micrograms is a printed amount with nothing official to sit beside it, and it is best read as a name on the list rather than as a dose.

The other-ingredients line is where a gummy differs from a capsule

Below the nutrients comes the other-ingredients line, and on a gummy it is the longest line on the label. A capsule usually declares a shell and a flow agent. A gummy has to hold its shape, taste of something and survive a warm delivery van, so it carries a sweetener or a sugar alcohol, a gelling agent, an acid, a colour and a flavour, and often a light coating to stop the pieces sticking together.

That line deserves more attention than it gets. The gelling agent decides whether a gummy suits a vegetarian, because gelatin and pectin do the same job and come from different places. Neither that question nor the sweetener is answered anywhere else on the bottle.

It is also the field a website is least able to help with. Nutrient amounts are quoted from the panel across this site, but the other-ingredients line is best read with the jar in your hand.

The allergen statement, and when to read it first

Under the other ingredients sits a short statement beginning “Contains”, naming the major food allergens present. It is the shortest field on the panel and the only one that can make the rest of the label irrelevant, which is why anyone who avoids something should read it before anything else.

Most people read in the opposite order: the front, the headline nutrient, the price, and the allergen line last if at all. Turning that around costs a few seconds and occasionally saves the whole purchase.

The same applies to anyone taking a prescription medicine or living with a diagnosed condition, for a different reason: what matters there is the nutrient list and the amounts, and those are on the panel. NCCIH’s guidance on using supplements wisely makes the plain point that supplements can interact with medicines and that the people treating you should know what you take.

Everything on the front of the jar sits outside the panel

Everything printed on the front of a jar is outside the panel and outside the rule that governs it. The brand name, the three icon words on this artwork, the seals and the line reading “Korean Technology” above a national flag are all front-of-pack design. They describe the bottle. None of them is evidence about what is inside it, and nothing in the seller’s material says where the product is made.

That is not a complaint about this label in particular. Every supplement on the shelf is laid out the same way: persuasion on the front, description on the back. Treat the front as a headline and let the back settle any question it raises. The seals on this jar are read for what they can and cannot prove on the testing and quality page.

Putting two panels side by side

Comparing two supplements is quick once both panels are open, and it goes wrong in three predictable ways. The first is comparing per unit instead of per serving: one serving is two gummies and another is one capsule, so the only fair comparison is serving against serving. The second is comparing across units, which the folate and vitamin A rows make easy to do by accident. The third is reading the headline nutrient and ignoring the rest.

A fourth habit is about time rather than chemistry. Work out how many days each jar holds before you compare prices, because a bottle that lasts thirty days and one that lasts forty-five are not the same purchase at the same price. The per-day arithmetic for this pack is on the pricing page.

1. Line the serving sizes up first, and convert if they differ.
2. Check the unit on every row, not just the number.
3. Read the nutrient you came for, then the ones you did not.
4. Treat a footnoted amount as uncomparable against a reference.
5. Read the other-ingredients and allergen lines on both.
6. Divide the count by the serving size to get days, then compare by day.

the NIH consumer fact sheet on dietary supplements is worth reading once before any of this. It sets out what a supplement is in regulatory terms: not reviewed for safety or effectiveness before it goes on sale, which is precisely why the panel on the back is the part worth your two minutes.