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Proprietary blends explained: what a label is allowed to hide

A proprietary blend declares several ingredients under one total weight and no individual amounts. That is permitted, not a loophole. You get the names, the total and the printed order. You do not get the split. On this label nine ingredients share 1,000 mg, which averages about 111 mg each against studied doses measured in grams.

By the GlycoMode Editorial Desk · Last updated November 4, 2026

What a proprietary blend actually is

A proprietary blend is a group of ingredients printed on a Supplement Facts panel as one line with one weight. The names of the ingredients appear underneath it. The amounts do not.

GlycoMode is a clean example, because it has exactly one. The panel declares a single blend, printed as the Test Boost Proprietary Blend, with a total of 1000 mg per 2 capsules serving. Nine ingredients are listed inside it: L-Lysine HCl, Apple Cider Vinegar, Garcinia Cambogia Powder, Tongkat Ali Extract, Horny Goat Weed Extract, Wild Yam Extract, Cinnamon Extract, Bitter Melon Extract and Raspberry Ketones. In the column where a percent Daily Value would normally sit, the panel carries the footnote Daily Value Not Established.

So the panel gives you the sum of nine things and none of the nine. That is not an oversight and it is not rare. It is a labelling format the rules allow, used across a large part of the supplement market, and it is worth understanding on its own terms.

The law that allows it

Dietary supplements in the United States sit inside a framework set up by the Dietary Supplement Health and Education Act of 1994, usually shortened to DSHEA. The consequences are set out on the FDA’s own consumer page, and they still surprise people who assume a supplement has been through something resembling drug review.

It has not. The FDA explains that dietary supplements are not approved by the agency before they go on sale. There is no pre-market review of a formula. The manufacturer, not the agency, carries the responsibility for making sure a product is safe and that the claims on its label are truthful and not misleading.

Inside that framework the labelling rules do require some things. Every dietary ingredient has to be named on the panel. A blend has to declare its own total weight. The ingredients inside it have to be listed in descending order by weight. What the rules do not require is the split. Nine names and one total is a complete, compliant declaration.

A label that hides the amounts is not breaking a rule. It is using one.

The GlycoMode Supplement Facts panel showing the Test Boost Proprietary Blend declared as a single 1000 mg total above nine named ingredients — One line, one total, nine names. The panel declares the Test Boost Proprietary Blend at 1000 mg and prints no individual amount beside any ingredient.

Why blends exist: protection, and cost

Two reasons are usually given, and only one of them is usually said out loud.

Formula protection. A published split is a recipe. Anyone with a contract manufacturer can copy a formula that prints all of its milligrams, undercut it and sell it back into the same market within a season. A blend total hides the one piece of information that makes copying trivial, and nobody is obliged to hand a competitor a working recipe.

Cost. Standardised botanical extracts are not cheap, and the studied doses in this category are large: grams rather than milligrams. A blend spreads a modest ingredient budget across a long list of names, and a long list sells. Nine ingredients reads as more generous than three, even when the three are better dosed.

Both reasons produce exactly the same label, and from outside the bottle you cannot tell which one you are looking at.

The descending-weight rule, and where it stops

The descending-weight rule is the one real handhold a blend gives you, and it is routinely oversold. Ingredients inside a blend are listed heaviest first.

If this panel follows that rule, and we have only the printed panel to go on, L-Lysine HCl weighs at least as much as apple cider vinegar, which weighs at least as much as garcinia cambogia powder, and so on down to raspberry ketones as the lightest of the nine. The order is a ranking, not a measurement, and nothing on the bottle confirms the rule was applied.

What it cannot tell you is the gaps between the rungs. The first ingredient could be 900 of the 1,000 mg with eight traces underneath it, or all nine could be near-equal shares.

Only two numbers follow with any rigour, and they follow from arithmetic rather than from disclosure. The heaviest ingredient must be at least the average share, which is 1,000 divided by nine, about 111 mg. The lightest must be no more than that. Everything between those two bounds is unpublished.

What a blend total cannot be

A blend total is a ceiling, not a floor. The 1,000 mg on this panel is the most that all nine ingredients together can weigh in a serving, and it is reached only at the full two-capsule serving. Take the single capsule the directions also allow and the ceiling halves to 500 mg for the same nine names.

The worked example: 1,000 mg across nine names

That average is where a blend total starts to be useful, because it can be set against the doses the published research actually uses.

Studied low-end daily doses against the weight of the whole printed blend.
Ingredient	Low end of the studied daily dose	Against a 1,000 mg blend total
Bitter Melon Extract	2,000 mg	Above the whole blend
Garcinia Cambogia Powder	1,500 mg	Above the whole blend
L-Lysine HCl	1,000 mg	Equal to the whole blend
Cinnamon Extract	1,000 mg	Equal to the whole blend
Tongkat Ali Extract	200 mg	A fifth of the blend
Apple Cider Vinegar	Not established	Studies use liquid vinegar
Horny Goat Weed Extract	Not established	Dosing not well established
Wild Yam Extract	Not established	No established dose
Raspberry Ketones	Not established	No established dose

Four of the nine have a studied low end that meets or exceeds the weight of the entire blend. On its own, at the bottom of its own studied range, any one of those four would use up the whole 1,000 mg and leave nothing for the other eight. A fifth, tongkat ali, is studied at roughly 200 to 400 mg a day, which is reachable but would still take between a fifth and two fifths of the blend for a single name.

The other four have no established human dose to compare against, so there is no arithmetic to do. None of this proves that any ingredient is underdosed, because the label does not publish the split. It shows that most of them would have to be.

The name on the panel

There is a second thing a blend name can tell you, and on this label it is louder than the arithmetic.

The front of the bottle reads Blood Health Support Capsules. The Supplement Facts panel on the back prints the blend as the Test Boost Proprietary Blend. Two of the nine ingredients, tongkat ali and horny goat weed, are men’s-vitality ingredients studied for testosterone, stress and libido rather than for glucose. They are consistent with the panel title and inconsistent with the front of the bottle.

The seller has published no explanation, and we are not going to supply one. What matters here is narrower: a blend name is part of the declaration, and when it does not match the product it sits in, that mismatch is information. The full treatment is on the home page.

A GlycoMode marketing panel headed Blood Support beside the capsule bottle — The front of the bottle sells blood health. The panel on the back names the blend after a different category entirely, and nothing on the packaging reconciles the two.

What you can and cannot infer

Two short lists.

What a blend tells you. Every dietary ingredient in the product, by name. The total weight of all of them together, per serving. The ranking of those ingredients by weight. Whether a Daily Value exists for any of them. And sometimes, from the blend’s own name, what category the formula was built for.

What it does not tell you. Any individual amount. Whether the first ingredient is a genuine dose or the largest of nine small ones. Whether an ingredient with real evidence behind it is present at a fraction of the amount that evidence used.

The second list is longer, and the items on it are the ones a buyer actually wants.

Reading a blend total against studied doses

Four habits, and they take under a minute.

Find the total first. The blend weight per daily serving. Here it is 1,000 mg at the full two-capsule serving, and half that if you take the one capsule the directions also allow.

Divide by the number of names. Crude, and the single most revealing thing you can do to a blend. Nine names into 1,000 mg is about 111 mg each.

Look up the first name only. Descending order means the first ingredient outweighs every other one. If its studied dose is far above the blend total, nothing further down the list can be at a studied dose either.

Treat the rest of the panel as description, not quantity. Only the milligram figure describes the amount, and on a blend there is one of those for nine ingredients.

The bottom line

Proprietary blends are legal, common and, in the narrow sense, honest: the names are all there, the total is all there, the order is real. They withhold exactly one thing, and it happens to be the thing that determines whether a product can do what it is sold to do.

On this label nine ingredients share 1000 mg, four of them are studied at a low end that would consume the whole blend, four have no established dose at all, and the blend carries a name from a different product category with no explanation of it.

That is a reason to buy at the price a blend is worth rather than the price a dose is worth, and to tell your prescriber about whatever you take.

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References

National Center for Complementary and Integrative Health. Diabetes and Dietary Supplements: What You Need To Know. https://www.nccih.nih.gov/health/diabetes-and-dietary-supplements
U.S. Food and Drug Administration. Questions and Answers on Dietary Supplements. https://www.fda.gov/food/information-consumers-using-dietary-supplements/questions-and-answers-dietary-supplements

Every source above was opened and read on September 22, 2026. None of them tested GlycoMode itself. They describe the named nutrients and plants, which is a different thing from testing this finished formula.

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