While L-Carnitine injections are generally well-tolerated, there can be potential side effects
Some clinics discuss stacking, but robust human outcomes data for the combination are limited
AOD-9604 adds a lipolytic component without further IGF-1 increase , useful in research contexts where you want lipolysis but not systemic anabolism
Between 1.5% and 15% of the public has a vitamin B12 deficiency, and certain groups are at a higher risk: Older Adults : As we age, our bodies may produce less stomach acid, which is necessary to absorb B12 from food
These effects occur in a minority of users and rarely require stopping
However, there have been cases of people breaking out into acne and rosacea and having heart palpitations after taking very high doses of vitamin B12, usually by injection