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If youve been feeling unusually tired, a B12 shot might be just what you need
Presented for research literature review only Brenner C (2025)
During your appointment Your provider will inject B12 into a large muscle, usually the upper arm or thigh
Skin Pharmacol Physiol
Biological Role: Primarily studied for its role in healing and regeneration, especially in tissues like muscles, tendons, and the gastrointestinal tract
Research using kinetic analysis of isotope experiments with tracer doses of radioactive vitamin B12 has shown that the biological half-life of vitamin B12 in plasma is approximately 6 days
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