(11) Masao Kakoki, Purushotham V Ramanathan, John R Hagaman, et al (2021) Cyanocobalamin prevents cardiomyopathy in type 1 diabetes by modulating oxidative stress and DNMT-SOCS1/3-IGF-1 signaling Communications Biology, 2021 Jun 23, Volume 4 (Issue 1), Page 775
It does this primarily by regulating nitric oxide, a molecule that controls how blood vessels expand and contract (Seiwerth et al., 2018)
Nuanced answer: Prescription peptides (FDA-approved): Yes, illegal to possess without prescription
A 2025 Japanese trial using 0.02 % peptide lotion observed a 7 % increase in hair count after 16 weeks, likely due to anti-inflammatory and vasodilatory effects
Injection site discomfort Its common to feel slight pain, warmth, or see redness where the IV drip was inserted