Label vial upon first use
Although it is used in sports to apparently increase testosterone and growth hormone levels, as well as improving strength during resistance exercise training, there is not enough evidence to determine its effect on hormone levels in humans
In foods, and fortified B12 occurs naturally in animal-based foods such as meat, fish, eggs, and dairy
Its important to remember that while B12 injections can address fatigue related to deficiency, they are not a universal solution for tiredness caused by other medical or lifestyle factors
[3] [2] Where there is neurological involvement, the loading phase uses alternate-day injections until there is no further improvement, and maintenance is 1 mg every two months