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Deficiency in vitamin B12 can cause symptoms such as fatigue, anemia, and neurological concerns

A B12 deficiency can be difficult to diagnose and is commonly confused with a folate deficiency

Weight loss averages 11 to 15 percent of starting body weight by month 6

By the time we knew the product was a dud, the restrictive return window had already slammed shut, leaving us out of pocket and back at square one

The proposed mechanisms may involve the same binding proteins, with haptocorrin produced by some tumors and by the granulocytic response, raising the measured B12

Vitamin B12 Injection Schedule The frequency of vitamin B12 injections depends on the individual's needs and the severity of the deficiency