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Clinical trials confirmed no IGF-1 elevation and no negative impact on glucose metabolism, even during 24-week treatment periods

Community cycle math using 5 mg vials Cycle length 8 weeks 300 mcg phase 28 days 0.3 mg = 8.4 mg 500 mcg phase 28 days 0.5 mg = 14 mg Total amount 22.4 mg 5 mg vials 5 vials Cycle length 12 weeks 300 mcg phase 28 days 0.3 mg = 8.4 mg 500 mcg phase 56 days 0.5 mg = 28 mg Total amount 36.4 mg 5 mg vials 8 vials Cycle length 16 weeks 300 mcg phase 28 days 0.3 mg = 8.4 mg 500 mcg phase 84 days 0.5 mg = 42 mg Total amount 50.4 mg 5 mg vials 11 vials Vial counts are rounded up to the next full 5 mg vial

Unlike a daily oral supplement, most people who need B12 injections get them once or twice a week or even every few weeks, says Foxx

For more on this, see our guide to A Medical Guide to NAD+ Precursors: Understanding NR, NMN, and Your Cellular Health, and how it is evaluated and treated at Perfect B in Doral