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More research is needed to establish the connection of vitamin B12 with weight loss
Blood tests to measure B Levels of iron and folate also may be measured to check for deficiencies in these nutrients
DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them
However, one of the most common is vitamin B12 deficiency
If your blood level is around 200-300 then youre borderline
Nevertheless, use of metformin may decrease vitamin B 12 status: a meta-analysis of four short-term intervention trials (up to 4 months duration) in patients with type 2 diabetes found that metformin use decreased serum cobalamin concentrations by 57 pmol/L, which could have clinical implications if such patients have suboptimal vitamin B 12 status (146)
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