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What a supplement label actually tells you, and what it doesn’t!
Formula + science

What a supplement label actually tells you, and what it doesn’t!

By Luke Quinn 6 min read

One supplement says 500 mg. Another says 5,000 mg equivalent. A third has a trademarked ingredient and a badge that says “clinically studied”.

You open three tabs to compare them. Ten minutes later, you know considerably more words and still don’t know what you’re buying.

The frustrating part is that those numbers may all describe different things. One could be the amount of extract in a serving. Another could refer to the plant material used to make it. The study behind the badge might have tested one ingredient rather than the finished product.

You shouldn’t need to become a formulation scientist to read a label. A few distinctions make the job much easier.

Start with the serving

Before comparing any numbers, check what they apply to: one capsule, two capsules, a scoop or the full daily serving.

Imagine one bottle provides 200 mg per capsule and another provides 300 mg per two-capsule serving. Per capsule, those amounts are 200 mg and 150 mg respectively. Compare the recommended serving of each product before deciding which provides more.

The same check helps with price. A bottle of 60 capsules contains 30 servings if the recommended serving is two capsules. Compare the cost of the amount you would actually take.

“Equivalent to” describes something different

A botanical extract starts with plant material, from which certain constituents are extracted.

In a simplified example, 500 mg of a genuine 10:1 extract represents 5,000 mg of starting plant material. The 5,000 mg figure is an equivalent amount; it is not the weight of extract in the serving. Extract specifications can also distinguish genuine extract from a preparation containing added carriers, so the basis of the ratio matters.[1]

That larger number does not establish that the product will have ten times the effect. The plant species, part used and extraction process also matter when comparing preparations.

Look for the actual extract amount first. Then use the ratio as additional information about how it was made.

Standardisation answers a more specific question

A standardised extract is adjusted or controlled for specified constituents, sometimes called markers, to help make batches consistent.[2]

For example, 300 mg of an extract standardised to 5% of a named constituent would contain 15 mg of that constituent, assuming the percentage applies to the full declared extract amount.

That calculation tells you something about composition. It does not tell you whether 15 mg is an effective dose, whether the marker causes the proposed benefit, or whether the finished product has been tested.

“Standardised” becomes useful when the label explains what is being standardised and to what amount. The word on its own leaves those questions open.

Magnesium has two different weights to consider

Mineral labels introduce another distinction: the weight of a compound and the amount of mineral it supplies.

Magnesium bisglycinate contains magnesium bound to glycine. A stated amount of magnesium bisglycinate therefore does not mean the same amount of elemental magnesium. The elemental figure describes the magnesium itself.[3]

If a label says “providing 100 mg magnesium”, that is the figure to use when comparing its magnesium contribution. A larger number elsewhere for the compound is describing something different.

A blend total doesn’t reveal the recipe

Suppose a product lists a 2,000 mg blend containing four ingredients but gives no individual amounts. You know their combined weight. You don’t know how much of each you would take.

That makes it difficult to compare an individual ingredient with the dose used in research. Dividing the total by four won’t solve it: there is no reason to assume equal amounts.

Individual doses make a formula easier to assess. They still need to be considered alongside the ingredient forms and the evidence behind them.

“Clinically studied” is the beginning of a question

The question is: what, exactly, was studied?

It might have been the finished formula. It might have been a particular branded extract. It might have been another preparation of the same plant. Those are different levels of relevance. The US National Center for Complementary and Integrative Health notes that supplements on sale can differ in important ways from the products tested in research.[4]

A trademark can help identify a specific ingredient. It doesn’t remove the need to check the study.

Look for the preparation and dose, who took it, how long they took it and what the researchers measured. A study of daily use over several weeks cannot, on its own, establish an immediate effect from one serving. A positive finding for one ingredient also doesn’t establish the effects of a whole blend.

If a brand links a study, you should be able to follow that connection without doing detective work.

A quick way to compare

What the label says What to check next
500 mg Of what, and per how many capsules or scoops?
Equivalent to 5,000 mg What is the actual extract amount and ratio?
Standardised extract To which constituent, and at what percentage?
Magnesium bisglycinate How much elemental magnesium does it provide?
2,000 mg blend Are the individual ingredient amounts disclosed?
Clinically studied Was the same ingredient or finished formula tested, at this dose?

Use those questions with any supplement you consider, including Elevate. A clearly described formula gives you the information needed to assess it; it doesn’t make the decision for you.

Clarity is useful. Certainty is a bigger claim.

A label can describe what the manufacturer says is in the product. On its own, it cannot verify the contents, establish that the product works, or predict how you will respond.

You can ask for supporting specifications, relevant testing and the research behind a claim. You can also decide that a product hasn’t given you enough information to judge it.

The most useful label is the one you can understand well enough to ask a better question.

Sources

  1. European Medicines Agency. Guideline on specifications: test procedures and acceptance criteria for herbal substances, herbal preparations and herbal medicinal products/traditional herbal medicinal products, Revision 3. Definitions of genuine and total drug-extract ratios. This source explains technical terminology for herbal medicines; it is not presented here as UK food-supplement labelling law.
  2. National Institutes of Health, Office of Dietary Supplements. Botanical Dietary Supplements: Background Information.
  3. National Institutes of Health, Office of Dietary Supplements. Magnesium: Health Professional Fact Sheet. Used for the distinction between elemental magnesium and the magnesium-containing compound.
  4. National Center for Complementary and Integrative Health. Using Dietary Supplements Wisely. Used for the distinction between products sold and products studied, rather than its US regulatory guidance.
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