What A Proprietary Blend Hides — And What To Do 🔍

What a proprietary blend actually is 🧪

On a Supplement Facts panel, a proprietary blend appears as a single named line with one total weight, followed by an indented list of the ingredients inside it. The total is disclosed. The split between the ingredients is not.

So a blend might weigh the same as a competitor's blend and contain wildly different proportions of the same six plants. One product could be almost entirely its cheapest ingredient with a trace of the headline one; another could be the reverse. Both panels would look identical to a shopper. ⚖️

None of this is hidden wrongdoing. Recipes are commercially valuable, blends are permitted, and plenty of careful manufacturers use them. The problem is not the manufacturer's motive; it is that the one number you need in order to assess anything has been withheld from you. 🧐

It is worth separating two complaints that frequently get muddled together. The first is that a particular company is hiding a thin formula behind a blend, which may or may not be true in any given case and which nobody outside the factory can establish. The second is that no reader can tell either way, which is true in every case without exception. Only the second is a criticism you can make fairly from the outside. ⚖️

The four things a buyer loses ❌

Worth setting out concretely, because “you cannot see the doses” sounds abstract until you try to use the label for something.

• 🧮 Comparison. You cannot say whether this bottle gives you more of an ingredient than that bottle, so price per serving becomes the only thing left to compare.
• 📚 Evidence matching. Research is done at specific amounts. Without an amount you cannot ask whether a product resembles anything that was ever studied — and PubMed — National Library of Medicine indexes the studies, not the products.
• ⚠️ Risk judgement. Unwanted effects are more likely at high doses, so an unknown dose is an unknown risk, however small that risk probably is.
• 🏥 Clinical advice. A pharmacist asked “is this safe with my prescription?” needs amounts to answer properly, and cannot invent them.

That last one is the expensive loss. Dietary Supplements: What You Need to Know — NIH Office of Dietary Supplements is blunt that you should tell every one of your health care providers about every supplement you take and keep a written record of it — advice that works far better when the record contains numbers. 📝

Descending order is a ranking, not an amount ⬇️

Ingredients inside a blend are listed by weight, heaviest first. People reasonably read that as information, and it is, but it is much thinner information than it appears.

Descending order tells you the sequence. It says nothing about the gaps between the steps. First place might be ninety per cent of the blend or thirty-four per cent of it, and the label reads the same either way. A famous ingredient sitting fourth in a list might be present in an amount too small to do anything at all. ⬇️

Treat the order as a hint about what the formula is built around, and nothing more. It is a clue, not a measurement. 🔍

The same caution applies to a long list. Twenty ingredients inside a blend can look generous while meaning the opposite, because one total weight has been divided twenty ways instead of five. Breadth on a label is sometimes a substitute for depth in the bottle, and there is no way to tell which you are holding. 🧪

The harder version: no panel at all 🚫

A blend at least names its ingredients. Occasionally a product does not reach even that bar.

The Jelly Rock™ pack supplied to this site carries no Supplement Facts panel, no ingredient list and no serving size on any of its artwork. Not one ingredient is named anywhere. The front states thirty servings, a flavour and three claim icons, and that is the whole of the disclosure. A buyer cannot compare it, cannot screen it against an allergy, and cannot hand it to a pharmacist and get a useful answer. 🚫

We are not calling that dishonest. We are saying it makes assessment impossible, which is a different and more durable criticism. Under the law the FDA describes, responsibility for safety and accurate labelling sits with the company before a product is sold, so what the company chose to print is the whole of the record. 📋

How to judge a blend you cannot see ⚖️

You cannot audit the formula, so judge everything around it instead. In practice that means reading the advertising as evidence about the advertiser.

1. 🏷️ Does the marketing promise more than an undisclosed formula could possibly support? The FTC's guidance holds advertisers responsible for implied claims as well as express ones, judged by how a reasonable person reads the whole advertisement.
2. 📧 Will the company answer a direct question in writing about amounts? Many will. The ones that will not have told you something.
3. 🧾 Is the Other Ingredients list complete and specific, or vague?
4. 💰 Is the price defensible purely on cost per serving, since that is all you can measure?

And if you take prescription medication, manage a condition, are pregnant or nursing, or are under 18, an undisclosed formula is the wrong kind of product to experiment with. That is a conversation to have with a clinician before it is a purchase to make. If you want the mechanics of the panel itself, start here. 🏥