Peptide bond hydrolysis by gastric proteases remains a real degradation risk
Not intended for clinical, diagnostic, or therapeutic applications
World Anti-Doping Agency (2026) 9
Some compounding pharmacies may stock it, but availability is inconsistent and may require a prescription or practitioner affiliation
Vitamin B12 can interact with medications such as colchicine (a medicine used to treat gout), metformin (an anti-diabetic agent), excessive alcohol, vitamin C products, extended release potassium products, antibiotics such as gentamicin, neomycin, tobramycin, anti-seizure medications such as phenobarbital, phenytoin, primidone, medicines used to treat heartburn like H2 blockers such as cimetidine and proton pump inhibitors such as omeprazole, antacids such as ranitidine, cimetidine
Most healthcare providers start with a standard dose and adjust based on your response