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The most effective time was 7 days of IF
Sources Pickart L, Vasquez-Soltero JM, Margolina A
(Kind of a big deal!) And if you have a deficiency, taking B12 pills or getting a B12 shot are both legit ways to up those B12 levels
If youre interested in graceful aging, youve probably heard about peptides
Human-grade peptides are sourced from licensed compounding pharmacies that follow pharmaceutical manufacturing standards, while research-grade peptides are labeled "not for human use" and are not subject to the same quality controls
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