The unregulated research peptide market shows contamination rates of 12-58% in various analyses, with some products containing incorrect amino acid sequences, excessive endotoxin levels, or complete mislabeling
For gut-only protocols, the standard acetate works fine because local contact with the intestinal lining matters more than systemic uptake
Lung Cancer In 2017, a study found that men taking B12 supplements appeared to have an increase in lung cancer risk
controls developed new vessels that grew from the limbus to the penetrated area, whereas BPC 157-treated rats generally had no new vessels, and those that did form in the limbus did not make contact with the penetrated area [124]
or a vegan diet (strict vegetarian diet that does not allow any animal products, including dairy products and eggs)
If you need to use small amounts, aliquot the peptide solution into smaller vials before freezing