At a glance: RDA: 2.4 mcg/day (adults) UL: Not established (insufficient evidence to set a tolerable upper limit) [ref] Dietary considerations: Vegan and vegetarian diets: Vitamin B12 is only found in animal-based foods, so vegans and vegetarians are often deficient or marginal in their B12 status.[ref] B12 is often added to breakfast cereals and other refined products, so eating a vegetarian diet that includes packaged and refined foods may actually result in higher B12 levels (although probably not in better health)
[13] Dosing at night is thought to mimic the natural physiologic rhythm, as endogenous GH release is highest during sleep
Morning or evening does not significantly impact efficacy based on available research, though some users report better appetite suppression when injecting in the morning
Human milk as chrononutrition: implications for child health and development
You can buy it in supplement form but theyre often poorly absorbed because the amino acid blocks get degraded in the stomach before reaching the cells
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