US$ 28.66
injection dose vitamin b12 Monthly Injection: Typical & Schedule Vitamin B12 Dosages: Your GoodRx
Description
Red blood cell production: Prevents fatigue and weakness caused by low red blood cell counts

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Available at: World Anti-Doping Agency (2024b)

The only way a B12 supplement contributes to weight loss is if the person was previously experiencing a B12 deficiency and the metabolic slowdown or fatigue caused by this deficiency is addressed
