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Eating a vegetarian or vegan diet
A 2500 mcg dosage represents a high-potency therapeutic intervention designed to rapidly elevate serum B12 levels
The British Dietetic Association recommends vegans take a daily supplement of at least 10 micrograms or a weekly supplement of 2,000 micrograms, as plant-based diets lack natural B12 sources
These nutrients are water-soluble, so the excess leaves your body through urine
Oral bioavailability for systemic effects remains unproven in humans
Vitamin B12 turns up your metabolism, allowing you to burn fat and carbohydrates for energy, use protein efficiently to gain muscle, and finally shed weight that you couldnt before
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