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Vitamin B12 is also stored in the liver and deficiency may occur due to an issue with storing B12

Pure Encapsulations B12 Liquid Best overall Form & DoseMethylcobalamin (1,000 mcg per 1 mL dropper) Servings30 servings per 30 mL bottle Price Per Day~$0.73 to ~$1.00 Best ForAdults 60+ and those on metformin, PPIs, or H2 blockers Verified July 2026 Pure Encapsulations is a practitioner-grade brand stocked in clinical and integrative-medicine settings

Goal: above 400 pg/mL

Research demonstrates it is safe and effective for weight control, with most patients tolerating it well in pre-surgical regimens

Since vegans and vegetarians tend to be deficient in B12, they must get the right amounts through supplements