From all similar product I used to date, I am sure there is no better product on the market
Diabetes Obes Metab (2019) 21(2):23443
Final Thoughts Methylcobalamin is a naturally active form of vitamin B12 that supports red blood cell production, nerve function, and DNA synthesis
Patients should seek medical attention if they experience severe or persistent gastrointestinal symptoms, signs of pancreatitis (severe abdominal pain radiating to the back), symptoms of thyroid tumors (neck mass, difficulty swallowing, persistent hoarseness), right upper quadrant pain, jaundice, reduced urine output, or unexplained hypoglycemia
validated by IP Fluorogold injection in WD mice in Supplementary Fig