Glutathione is our body's main antioxidant and anti-aging nutrient
Al-Awqati 2012)
The most common side effect of B12 injections is irritation at the injection site, and injections are typically administered intramuscularly or subcutaneously. Less common side effects may include headache, nausea, diarrhea, itching, or a brief feeling of lightheadedness after the injection
What makes ipamorelin special is its selectivity
9% use it for 45+ days[] These safe therapeutic doses can significantly deplete glutathione in women who already have low baseline levels.[] Healthy individuals can tolerate up to 4g/day with only modest glutathione decrease, but individuals with compromised glutathione experience significant depletion even at therapeutic doses
Proc Natl Acad Sci U S A 91:12614, PMID: 8108398 Kuchino Y, Mori F, Kasai H, Inoue H, Iwai S, Miura K, Ohtsuka E, Nishimura S (1987) Misreading of DNA templates containing 8-hydroxydeoxyguanosine at the modified base and at adjacent residues