The remaining nine vitamins are water-soluble, meaning the body excretes any unused leftovers
For instance, A 2020 case report showed that a woman taking 1 milligram per day of cyanocobalamin (a synthetic form of vitamin B12) experienced acne, heart palpitations, anxiety, severe restlessness, facial ruddiness, headache, and insomnia
The compound works through the same NNMT inhibition mechanism in both sexes, though dosing may need adjustment based on body weight
If the rash lasts or gets worse, its best to see a doctor
Injection-site reactions (redness, swelling) occur in 58% of users
Methylcobalamin and adenosylcobalamin are pre-activated forms some practitioners prefer, particularly for individuals with genetic variations affecting B12 metabolism