Which should you choose? Here's what you need to know.
KLOW and Thymalin are both immune / inflammation peptides, but they work differently. A multi-peptide blend sold for gut and immune support. Composition varies between vendors — check the COA before comparing prices. A bioregulatory peptide extracted from the thymus gland. Studied for immune system regulation and potential anti-aging effects on immune function. Compare vendor pricing and availability below.
A multi-peptide blend sold for gut and immune support. Composition varies between vendors — check the COA before comparing prices.
A bioregulatory peptide extracted from the thymus gland. Studied for immune system regulation and potential anti-aging effects on immune function.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.