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Some people are far more likely to run low on B12: Vegans and vegetarians, since B12 comes mainly from animal foods Older adults, because we absorb B12 less efficiently with age People with Crohn's, celiac, or other digestive conditions Anyone who has had gastric bypass or bowel surgery People taking metformin, antacids, or acid reducers long term Heavy alcohol users How B12 injections support weight loss Here is the honest version: B12 is not a fat-burning drug, and a shot will not melt away pounds on its own
Reported effects May support reductions in fat mass and preserve lean muscle
Inflammatory bowel diseases: emerging therapies and promising molecular targets
Sources Cited, not claimed
CPT 96372 Claim Denial Reasons, Codes, and Fixes (2026) The denial codes above are HIPAA standard Claim Adjustment Reason Codes (CARCs)
