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b12 injections versus pills vs. Supplements – Known Nutrition UK Doctor Reveals: B12 Injection vs
Description
Pinpointing Absorption Issues: Testing helps us determine if your body is failing to absorb B12 from food due to gut issues, age, or autoimmune conditions like pernicious anemia

these metabolites are components of the NAD + salvage pathway that are directly upstream of NNMT 12
doi:10.1111/j.1468-2494.2009.00490.x
The liver can store the vitamin for a long time, so it may take a few years for deficiency and symptoms to develop

Keep it in the original pack until use
