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B12 injections can help improve energy levels, support red blood cell production, and promote overall cellular health
A Review of Vitamin B12 in Dermatology. American Journal of Clinical Dermatology, vol
Dietary deficiency may be treated with oral cyanocobalamin 50150 g or 1,000 g daily until corrected
28 However, oral therapy does not improve serum methylmalonic acid levels as well as intramuscular therapy, although the clinical relevance is unclear
Most evidence is still early-stage or preclinical
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