Category literacy

What “10:1” On A Botanical Label Does Not Tell You

The notation appears on thousands of supplement panels and is read as a strength rating by almost everybody who sees it. It is not one. It describes a manufacturing step, it cannot be verified after the fact, and the mark that would tell you something is a different mark entirely.

By Horse Peak Gelatin Team · Last updated October 29, 2026 · 9 min read · Category literacy · Reviewed by Dr. Alison Egeland, ND

What the notation actually says

A 10:1 extract is made by taking ten kilograms of plant material and processing it down to one kilogram of finished extract. Solvent goes in, soluble material comes out with it, the solvent is removed and what remains is concentrated relative to the starting material.

That is the whole of what the notation records: a ratio of input mass to output mass. It is a statement about a factory process, not about the product's potency.

Rows one to three are process descriptions. Row four is a specification. The difference between the two is the whole subject of this post.

The arithmetic people do with it, and why it is only half right

The natural move is to multiply. A hundred micrograms of a 10:1 extract represents a milligram of the original plant, so the reasoning goes, and that arithmetic is correct as far as mass is concerned.

Where it breaks down is on content. Whether the milligram of plant that the extract represents contributed any of the compounds the research measured is a question the multiplication cannot answer, because a concentration step removes mass selectively and the notation does not say what it removed.

Why nobody can check it afterwards

The United States Pharmacopeia group published a paper on exactly this, and its conclusions are blunter than anything a commercial website would write unprompted. Plant-to-extract ratios are descriptive. No method of analysis can verify one from a finished product. And they are nonetheless often used as a measure of extract strength for dosage calculations.

Read that in order and the problem is obvious. A number that cannot be checked is being used to calculate doses. Every party downstream of the extractor, including the brand, the retailer and the buyer, is taking the ratio on trust.

This is not an accusation against any particular supplier. It is a structural feature of how botanical extracts are described, and it is the reason a serious label carries something more specific.

The mark that does carry information

Standardisation is the alternative and it is a different kind of statement entirely. A standardised extract declares a measured content of a named compound: twenty per cent icariin, at least 112.5 mg of furostanol saponins, fifty per cent polyphenols.

That is a specification rather than a process description. It can be assayed, it can be verified by a laboratory, and it is what the better clinical trials used.

The positive tribulus trial is the clearest illustration. It used a 35 to 45:1 extract standardised to at least 112.5 mg of furostanol saponins per daily dose. Both halves of that description are load-bearing, and a product matching only the ratio would not be matching the material.

• A ratio without a standardisation tells you a concentration step happened.
• A standardisation without a ratio tells you what is in the extract, which is the question that matters.
• Both together is the mark of a supplier who expects to be checked.
• Neither is the most common arrangement on retail shelves, and it tells you nothing at all.

Six things two identical ratios can hide

Two bottles printing 10:1 for the same plant can contain materially different material, for six separate reasons.

Six variables, none of which a ratio records. Two products can print the same notation and contain materially different material.

Epimedium is the extreme case. A paper on how variable Epimedium material is documents differences between supplied batches large enough that the botanical identity itself needs confirming, let alone the concentration. A 10:1 notation on that particular row is doing very little work.

The practical upshot is that ingredient names and ratios are the least informative things on a botanical panel, and the weight beside them is the most. That is the reverse of how most packaging is designed to be read.

A worked example from one real panel

Applying all of the above to the label this website sells produces a short and specific reading.

1. Four rows carry 10:1 at 100 micrograms each. Fenugreek, maca, tribulus and Epimedium.
2. None of the four carries a standardisation. No marker compound and no percentage appears against any of them.
3. Three name the plant part. Seed, root and leaf, which is better than the category norm and is genuinely useful information.
4. The mass arithmetic gives about a milligram of raw herb per row. Set against trials at 600 to 3,000 mg, covered in its own post on this blog.
5. The panel prints every figure. Which is why any of this can be worked out, and why a proprietary blend would have ended the exercise at step one.

Why the notation persists

If a ratio carries so little information, its universality needs explaining. Three reasons, in descending order of charity.

It is genuinely useful to a formulator

Somebody buying extract by the kilogram to build a formula needs to know the concentration factor to calculate quantities, and within a known supply chain the number is meaningful. It was never designed as a consumer-facing mark.

It is cheaper than standardisation

Assaying a marker compound batch by batch costs money. A ratio is a description of a process that has already happened and costs nothing to state.

It reads as a strength rating

Ten to one sounds like ten times stronger, and nothing on a panel corrects that impression. That is the least charitable explanation and it is not available in every case, but it cannot be ruled out of any of them.

What to do with a label that only gives a ratio

• Do the mass arithmetic anyway. It sets an upper bound on how much plant the row can represent, and an upper bound is information.
• Look for the plant part. Its presence tells you somebody was paying attention; its absence tells you the opposite.
• Look for a marker compound. Its absence is the norm, which is why its presence is worth paying for.
• Compare weights, not names. Two panels with identical ingredient lists can be entirely different products.
• Treat the format as part of the answer. An assay of melatonin gummies against their own labels found wide variation between printed and measured content in that format, which is a reason to buy a gummy from a channel with a lot number behind it.
• Remember that concentration cuts both ways. The US Drug-Induced Liver Injury Network's herbal data concerns concentrated extracts at gram doses, not milligram rows, and a very small amount of a very concentrated material is still a very small amount.

The seven-check scorecard on this website builds those habits into a routine that takes about three minutes a bottle, and it scores this product in public at the end of it.

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