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Timing your injection close to your intended sleep time supports the peptide's natural alignment with your circadian biology
While theres no definite cutoff for when B12 starts to become unsafe, because people often ask, well somewhat arbitrarily say not to take more than 1,000 g per day over the long-term without guidance from a physician
This timing supports better absorption, aligns with natural skin repair cycles, and offers antioxidant protection when your skin needs it most
Nat Struct Biol (1996) 3:8428
and Brown, B.I
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