No serious adverse events have been reported at therapeutic doses
But many other factors affect results too, including diet , food choices , stress, sleep, and natural plateaus
Mecobalamin (Methylcobalamin) is an active form of Vitamin B12 that participates in nerve function, red blood cell production, and DNA synthesis
Those who dont consume any type of animal product including dairy, Vegans, are prone to vitamin B12 deficiency unless they take specific measures to supplement or consume fortified food products
2.5mg+ : Strong effects
A lack of this vitamin B12 could contribute to increased fat buildup and even obesity, on top of fatigue and a lack of energy