Medically reviewed by Patricia Mikula, PharmD Key Takeaways Many injectable peptides are unregulated and have not been ...

After receiving an injection, some people experience symptoms at the injection site on the skin. This reaction is a common adverse effect of vaccines, Botox injections, biologics, and chemotherapy.

STAT is co-publishing this investigation by Undark. In the spring of 2024, Flynn McGuire started to notice glowing references online to an unapproved drug that proponents claimed could help the body ...

Longevity doctors say DIY peptide injections are rising, and they're seeing cases of allergic reactions, hormone disturbances ...