side effects of vitamin b12 injections weight loss Injection Dose for Loss: What Does the Science Say? B12 Injections Weight Loss: Top
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According to the NHS, taking folic acid supplements can sometimes mask the signs of a B12 deficiency

Gastrointestinal effects represent a practical consideration

[11] [12] Vitamin B12 (cobalamin) is essential for maintaining the myelin sheath that protects nerve fibers, and deficiency can cause or worsen peripheral neuropathy, presenting with symptoms similar to diabetic neuropathy

More recently, the functional role has been linked to metabolism through its function as a major NADase
