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This item is a synthetic fragment of a larger naturally occurring protein. Much of the literature cited for it concerns the full protein, not the fragment, and the two are routinely discussed as though findings transfer.
This item is a synthetic fragment of a larger naturally occurring protein. Much of the literature cited for it concerns the full protein, not the fragment, and the two are routinely discussed as though findings transfer. Whether they do is an open question, and a summary that cites the parent protein's research without saying so has overstated the case.
It appears on the prohibited list maintained for competitive athletes, which is a straightforward factual matter anyone subject to testing needs to know before anything else about it. That status is independent of any question about effect.
As with several items here, the usable published work is largely preclinical. The absence of adequately powered human trials is the limit on every claim made about outcomes, and it is not resolved by the volume of informal reports.
Identity and purity of the supplied material across a substantial number of batches. For a fragment, confirming the correct sequence matters more than usual, because a truncated or incorrect fragment would be a different molecule reported under the same name.
Check whether a cited study used the fragment or the parent protein, whether it was animal or human, and whether the outcome measured was clinical or a marker. Those checks remove most of what is confidently said about this compound.
The published set we counted contains 18 report(s) naming TB-500, averaging 99.25% purity. Each resolves on the testing laboratory's own portal rather than as a file hosted by the seller.
Where the literature is overwhelmingly preclinical, the compound is best described as under investigation rather than studied. That is a statement about evidence depth and not a judgement about plausibility.
Use in animals under veterinary supervision establishes nothing about human dosing or safety, though it is frequently cited as though it did.
The claims on this page about a fragment of a naturally occurring protein, studied mostly in animals and explicitly prohibited in sport can be checked against sources outside this site: