Side Effect of High-Dose B-12 September 06, 2024 Vitamin B-12 section of our B Vitamin Supplements Review, which includes our Top Picks among B vitamins
If you are able to help, even a small contribution can provide essential B12 treatment and help someone regain their health, mobility, and independence
Because the shot bypasses your digestive system entirely, the vitamin B12 absorbs at near-100% rates and starts working right away
The Mayo Clinic notes that even at therapeutic mega-doses, side effects are uncommon and mild: headache, nausea, diarrhea, fatigue, and a tingling sensation in extremities
The double-blind placebo control in this study eliminates this as an explanation for the results