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They might need shots more often
doi:10.1210/endo.142.12.8617 Heffernan MA, Jiang WJ, Thorburn AW, Ng FM
Elevated serum B12 levels are a normal and safe response to supplementation, and they indicate that the vitamin is readily available in your bloodstream for the bodys use
Journal of Medicinal Chemistry , 61(15), 64156425
Once in the bloodstream, B12 can vastly increase your daily energy, while regulating hormone levels and your immune system
But dont overdose on vitamin B12
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