It is not the same as an established treatment, and the gap between those two things is the Phase 3 trial currently enrolling
Wang Z, Shen N, Wang Z, Yu L, Yang S, Wang Y, et al
The effect of L-carnitine (carnitene) on myocardial metabolism of patients with coronary artery disease
After watching a few tutorials online, they inject themselves
Options include: Fortified foods : Nutritional yeast, plant-based milk alternatives, breakfast cereals, and meat substitutes fortified with B12 (check labels for content) Supplements : Daily supplements of 10 mcg or weekly doses of 2,000 mcg ensure adequate intake, as recommended by the British Dietetic Association The body absorbs approximately 50% of a 12 mcg dose but only about 1% of a 1,000 mcg dose through passive diffusion