pernicious anemia and b12 injections anaemia (PA) or deficiency Vitamin B12 Deficiency - Gaba

Do not take within 5 hours of bedtime, as it may interfere with sleep

In addition, B12 is crucial for cardiovascular health, as it plays a role in regulating homocysteine levels

However, B12 does not expire in the same sense milk does

However, a very small percentage of B12 from a supplemental dose is absorbed by passive diffusion, rather than by intrinsic factor, such that vegans can make up for taking B12 only once per day, or even only once per week, by taking larger doses than normally provided by food

Chikahisa, Sachiko, et al

Who should check with a provider first If you are pregnant, nursing, have kidney disease, or take medications that interact with B12 metabolism (such as metformin), discuss this with a provider before starting