weekly injections of b12 Vitamin — Anupa Wellness Oral vs. Intramuscular Vitamin B12

The Vitamin Shoppe Vitamin B12 Soft Chews (out of stock): These B12 chews from the Vitamin Shoppe offer a convenient, less messy alternative to liquid supplements, delivering 2,500 mcg of methylcobalamin per serving

Food and Drug Administration (FDA) for medical use in humans

Researchers who prefer simplicity can use 10mg vials with 1mL reconstitution throughout the first 8-12 weeks (covering doses from 2mg through 8mg within a single draw), then switch to 20mg vials with 1mL reconstitution for the 8mg and 12mg maintenance phases

It regulates enzymes like sirtuins and PARPs, which are involved in cellular aging, inflammation, and stress response