Why Some Drugs Require a Prescription The main reason certain medications are classified as prescription-only is because of their potential risks and the need for medical oversight
Individuals with known B12 deficiencies, or those prone to a potential deficiency due to their lifestyle, must supplement vitamin B12
This is particularly important for individuals with gastrointestinal disorders, reduced intrinsic factor, or other malabsorption concerns
Qualitative and Quantitative Validation of the FACIT-Fatigue Scale in Iron Deficiency Anemia. Health and Quality of Life Outcomes 13 (2015): 60
It is commonly known that the immune system depends on several specific micronutrients, including vitamin B12, for effective functioning [47]
So, often people ask, how long after starting vitamin b12 will I feel better or when you can expect to start feeling the positive effects after beginning a B12 regimen