Whether they belong in your plan depends on your health history and goals
doi:10.7861/clinmedicine.15-2-145
Diet-related: If your vitamin B12 deficiency is caused by a lack of vitamins in your diet, you may be prescribed vitamin B12 tablets to take every day between meals
Dont frame it as approved for X, using for Y. The legal framing here comes from published medical liability analysis and psychiatry-law literature on informed consent and the physician-patient relationship
B12 shots are typically given in areas where theres ample muscle mass to absorb the vitamin efficiently
191 In one randomized controlled trial that included 175 men with infertility, taking a supplement providing 1 gram L-carnitine and 0.5 grams acetyl-L-carnitine, as well as 725 mg fumarate, 1 gram fructose, 50 mg citric acid, 10 mg zinc, 20 mg CoQ10, 50 mcg selenium, 90 mg vitamin C, 200 mcg folic acid, and 1.5 mcg B12, twice daily improved sperm motility, semen volume, and DNA fragmentation compared with placebo after six months