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Sleep: B12 is involved in regulating melatonin, the hormone that governs your sleep-wake cycle
Without barriers such as digestion, the body absorbs 15-97% of the injected B12, making injections much more efficient at raising blood levels quickly even if the pill dose is higher
evening dosing has been linked to sleep disruption because of the metabolic activation effect
B12:A vitamin that dissolves in water and is actively engaged in the metabolic process, aiding the body in utilizing fats and carbohydrates as an energy source and facilitating the synthesis of new proteins
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