What "Clinically Dosed" Actually Means — And How to Check

If the dose in the study was 10g and the dose in the product is 3g, the study doesn’t support the product.

“Clinically dosed” has become a popular marketing phrase in the supplement industry. The implication is that the product contains ingredients at the amounts shown to be effective in clinical research. The reality is often very different.

A supplement can legally claim an ingredient is “clinically studied” if any published study has ever tested that ingredient — regardless of the dose used in the study vs. the dose in the product. There is no regulatory requirement that the dose in the product match the dose in the research.

For EAAs specifically, the dose-response research is clear: Cuthbertson et al. (2005) showed that 10g of essential amino acids is needed to maximally stimulate muscle protein synthesis. Products containing 3–5g of EAAs per serving are technically “amino acid supplements,” but they’re substantially below the dose the research says is needed for maximal effect.

How to check if a product is truly clinically dosed

1. Identify the specific claims being made
2. Find the clinical studies that support those claims
3. Compare the dose used in the studies to the dose per serving in the product
4. Check whether the study used the same form/type of ingredient
5. Verify the product doesn’t hide doses behind a proprietary blend

If a company won’t disclose individual ingredient amounts, you cannot verify whether any ingredient is present at an effective dose. Transparency and clinical dosing go hand in hand.

References

1. Cuthbertson D, Smith K, Babraj J, et al. Anabolic signaling deficits underlie amino acid resistance of wasting, aging muscle. FASEB J. 2005;19(3):422-424. PubMed
2. Moore DR, Robinson MJ, Fry JL, et al. Ingested protein dose response of muscle and albumin protein synthesis after resistance exercise in young men. Am J Clin Nutr. 2009;89(1):161-168. PubMed