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Measurable changes in fasting glucose and subjective energy typically appear within 710 days, while body composition shiftsreduced visceral adiposity and improved lean mass ratiobecome evident at 46 weeks with consistent dosing
However, the direct impact of Vitamin B12 on weight loss remains a heated debate, with current medical research not fully substantiating these claims
SQ delivery may help, because fat tissue has fewer blood vessels than muscle, leading to slower dispersion of B12
Expected Duration of B12 Injection Benefits The duration of vitamin B12 injection benefits can vary based on individual factors, but in general, the effects of a single injection can last for several weeks to several months
