b12 injection bottle Compounded Cyanocobalamin (Vitamin B12) 12 deficiency B12 vitamin Store Vitamin B12

doi: 10.1172/JCI25977

Fatigue can have many causesincluding poor sleep, stress, thyroid disorders, or iron deficiencythat B12 injections cannot address

Theres no question that the use of many of these has surged, in part because of their putative anti-aging effects or other unsubstantiated health claims, along with endorsements by celebrities, longevity, and wellness influencers

doi:10.2337/dc11-1582

Keeping a copy of your prescriber's order alongside the pharmacy's paperwork protects you if anything about the shipment ever needs to be traced

Within 48 hours after injection of 100 or 1000 mcg of vitamin B12, 50 to 98% of the injected dose may appear in the urine