For reference, these are the Recommended Dietary Allowances (RDA) for vitamin B12 by sex and age group indicating the daily amount needed for healthy individuals ( Men 1418: 2.4 mcg Men 19+: 2.4 mcg Women 1418: 2.4 mcg Women 19+: 2.4 mcg During pregnancy: 2.4 mcg During lactation: 2.8 mcg SUMMARY The RDA for vitamin B12 for most people is 2.4 mcg per day
It covers the provider's work in giving the injection, not the drug itself
[6] [25] At levels only slightly below normal, deficiency can result in fatigue, headaches, feeling faint, rapid breathing, pale skin, numbness or tingling, poor appetite, heartburn, poor balance, difficulty walking, poor reflexes, blurred vision, memory problems, depression, irritability, inattention, cognitive decline, dementia, and even psychosis
Improves Mood & Motivation: Lets face itwhen you feel good, you make better health decisions