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Yet in practice, they produce completely different outcomes for completely different purposes, and choosing the wrong one means months of wasted effort targeting the wrong mechanism entirely
For your career, interpersonal relationships, working out and maintaining general health, B12 compliments the way you live
Do not rely on an immediate energy boost as proof that treatment is working
High oral bioavailability and membrane permeability ensure effective systemic distribution without complex preparation requirements
Aging can also set you up for a B12 shortage since absorption declines as you get older
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