Opinion — Not Medical Advice
Does Taking Metformin Really Cause B12 Deficiency?
Metformin may reduce B12 absorption in up to 30% of long-term users. Here is what the evidence actually says — and what to do about it.
Armchair Expert
Real people doing real research on health claims. Structured format. Cited sources. Honest takes.
⚠️ Opinion — Not Medical Advice. All pieces represent personal research and opinion only.