can u inject vitamin b12 How to self-inject intramuscular - Overview Vitamin B12 Injections and Weight

Part the hair and apply to areas of concern

Very high daily doses of vitamin B12, ranging between 1000 and 2000 mcg, may effectively restore B12 levels within the body and positively impact depression symptoms

A 2021 systematic review of 16 randomized controlled trials and 6,276 participants (Markun and colleagues, Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue, Nutrients, 2021) found that B12 supplementation does not reliably reduce fatigue in people who are not deficient

Literature context: see the MOTS-c research page for mitochondrial-derived peptide references

Maintaining adequate levels can help reduce the mortality risk associated with these conditions

Interactions with medications Vitamin B12 can potentially interact with certain medications and prevent their efficacy or cause side effects