It does not require a prescription in the traditional sense, but obtaining it through proper channels has become more difficult with the Category 2 classification
[7] Improved body composition: From a fitness perspective, reducing subcutaneous fat can help reveal muscle definition and improve overall body composition, which are important factors for bodybuilders and fitness enthusiasts
B12 Form Choice Should Match the Reason for Treatment Methylcobalamin may be preferred when nerve-related symptoms, methylation issues, or persistent fatigue remain part of the clinical picture
Who should check with a provider first If you are pregnant, nursing, have kidney disease, or take medications that interact with B12 metabolism (such as metformin), discuss this with a provider before starting
Vitamin B12 injections are the most common and effective way to prevent and treat a deficiency