Additionally, B-vitaminsspecifically B12 and folateare involved in the methylation cycle, which is a chemical process that helps produce glutathione
It protects the nutrient from digestion or oxidation, which could lessen the nutrients effect on the body
doi: 10.1093/ajcp/102.1.102 84 HoltJBSanguezaOPLevineEAShenPBergmanSGeisingerKRet al
The fact that you have to go to your doctor to administer the injection, is another reason many people will choose supplements, rather than the injection form
Exclusion criteria included any current or prior conditions affecting other bodily systems, such as familial hypercholesterolemia, severe cardiovascular and cerebrovascular diseases (e.g., myocardial infarction, stroke, and heart failure), respiratory diseases, infectious diseases, chronic kidney disease, pregnancy, and malignancies