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Studies suggest that a significant proportion of long-term metformin users may develop biochemical B12 deficiency, though estimates vary widely depending on the population studied, the duration of use, and the B12 threshold applied

Pregnancy If you are pregnant or breastfeeding, you may not be suitable for B12 injections, but it is still safe for you and your baby if you take a limited dose of B12 orally

It eliminates the most common dosing errors that researchers make when working with any reconstituted peptide solution

Nicotinamide (niacinamide) does not cause flushing and has fewer side effects, with nausea and liver toxicity reported only at very high intakes ~3 g/day)

Week 812+ What you may notice: Significant body-composition improvement

Therefore, it stands to reason that we would need to look at other sources of it