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8 weeks 5 vials Covers a 4-week 300 mcg lead-in plus a 4-week 500 mcg phase
Both flagged some examples as posing potential legal risks, under statutes that limit the claims health care providers can make about drugs that are not FDA-approved
No high-quality clinical trial has demonstrated that B12 injections produce meaningful weight loss outcomes independent of dietary and exercise changes
Presented for research literature review only Chatterjee A et al
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