What Happens If You Take Too Much B12

Though there is evidence that supplementing with b12 may cause negative health outcomes studies have demonstrated that daily oral supplements of up to 2 mg 2 000 mcg are safe and effective in.

Even though vitamin b 12 is safe if you take too much it can interact negatively with certain medications. This makes it nearly impossible to overdose on the nutrient. If this occurs after. Vitamin b12 is a water soluble vitamin which means that when we ingest too much of it the excess amounts are flushed out of the body through urine.

Vitamin b 12 can cause very rare but serious allergic reactions anaphylaxis. Too much b12 typically doesn t cause negative effects in healthy adults but it may pose problems for special populations including expectant mothers.