Claim: There are no American-made peptides; they are finished in the United States but the API comes from China.
Verdict: Unverified (50% confidence)
Explanation: According to Biosynth, there are American-made peptides, as their US operations include the merger of New England Peptide and Peptides International, which contradicts the claim that there are no American-made peptides. However, CordenPharma and American Peptides support the notion that peptide APIs are manufactured in the US, indicating that some peptides are indeed finished in the United States. The claim that the API comes from China is supported by a source from shipmercury.com, which discus...