injection b12 Compounded Cyanocobalamin (Vitamin B12) Vitamin B12 Injection at a

Sublingual B12: Pros and Cons Sublingual B12 supplements dissolve under the tongue, where some of the vitamin may be absorbed through the tissues in the mouth before being swallowed

People with absorption issues may not benefit fully from oral supplements

T., Cupples, L

But serious side effects like allergic reactions are rare

If you get hospitalized or have a condition like diabetes or HIV that number becomes something you just dont want to think about

The RDA The recommended dietary allowance (RDA) for vitamin B 12 was last revised by the Food and Nutrition Board (FNB) of the US Institute of Medicine (now the National Academy of Medicine) in 1998 ( Table 1 )