how frequently should vitamin b12 injections be given Shots in Canton, MI: What You Need to Know Sandoz Vitamin B12 Injectable Solution

But vitamin B12 shots can still have side effects

But oral Vitamin B12 supplements do have some limitations: Lower Absorption: For individuals with certain health conditions, such as gastrointestinal disorders or those who have undergone bariatric surgery, oral supplements may not be absorbed as effectively as injections

Current Areas of Scientific Investigation While there are not current studies evaluating the combination of methionine, choline, carnitine, and dexpanthenol, there are studies evaluating individual ingredients

High-dose oral B12 (1,000 to 2,000 mcg daily) can actually correct deficiency even in some people with poor absorption, because a small percentage of B12 is absorbed passively (without intrinsic factor)

Some individuals may experience nausea, diarrhea, vomiting, headaches, or a metallic taste in the mouth when supplementing with zinc