b12 injection 1000 mcg/ml Cyanocobalamin Vitamin B-12 Mcg 100 Ml Boost energy b12 injection prescribing information Vitamin

Rotate injection sites to avoid tissue damage

Last reviewed: May 12, 2026 Last updated: May 12, 2026 Written by: Jay Hastings , CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

reconstituted refrigerated

this is why most people do better with sublingual B12 tablets rather than vitamins

Daily methylcobalamin injections were administered at very high doses from 500 to 1000 g per kilo of bodyweight this would correspond to about 40 000 80 000 g per day for a human being

Stabler 24 Patients with severe abnormalities should receive injections of 1000 g at least several times per week for 1 to 2 weeks, then weekly until clear improvement is shown, followed by monthly injections