Among them, SIRT1 is the most studied for its role in fat metabolism, muscle preservation, and mitochondrial health
A B12 injection is a dose of vitamin B12 given either under the skin (subcutaneous, or subQ) or into a muscle (intramuscular, or IM)
Athletes or those in recovery protocols may use it pre- or post-training to optimize results
- High-dose oral B12 treatment Instead of taking the injection route, a provider may prescribe a high-dose B12 oral treatmenta pill, capsule, or lozenge containing a higher concentration of B12 than your average over-the-counter (OTC) supplement
The buttock: Your upper outer buttocks, or Dorsogluteals, on either side of your body, are common injection sites
High-Dose Oral B12 Protocols Oral B12 supplements are getting more attention