d3 b12 injection Vitamin at a Licensed Pharmacy Avoid exposure to light. Vitamin B-12 Injection, 3,000 mcg/mL

However, absorption decreases significantly as doses increase, and individuals with compromised gut health may absorb only 1-2%

What Should You Do Next If You Think You Might Be B12 Deficient

The vitamin B complex comprises eight vitamins known as water-soluble (they dissolve in water): B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B8 (biotin), B9 (folic acid) and B12 (cobalamin)

That said, this meeting will simply be a discussion, not a final ruling

Methylcobalamin is the most expensive form of B12 however is favoured by Dr Knight due to its effectiveness with patients remotely and in clinic