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Athletes, those on plant-based diets, adults over 50, and individuals with digestive disorders often see significant benefits
Rarely, some people may experience temporary increased energy that could affect sleep if injections are given late in the day
Other options may be the lower arm deltoid muscle as well as the dorsogluteal site below the arm
Journal of AOAC International
Although we know that B12 plays an important role in many body functions, and in theory, hair growth, scientific studies are limited
5 Improving mood: Vitamin B12 is involved in producing neurotransmitters, such as serotonin and dopamine, which are important for mood regulation
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