Improved Heart Health: Vitamin C helps maintain healthy heart function and can help lower the risk of cardiovascular disease
It is worth noting that there are many food products fortified with Vitamin B12 , and many pharmaceutical supplements that contain the vitamin and can be taken without a prescription, but injections containing cyanocobalamin in the form of capsules are dispensed with a prescription after the doctor performs the necessary diagnostic tests
Contaminants : The presence of proteases, bacteria, or other contaminants can lead to peptide breakdown
Higher doses (particularly 54 mg) showed somewhat increased gastrointestinal symptoms compared to lower doses
Most vegans who use fortified foods or a daily supplement maintain normal B12 levels without ever needing an injection
Notes that high-dose niacin passes into breast milk and that lipid-altering doses could pose risks to nursing infants, recommending caution or avoidance of such doses during breastfeeding)