All medications have side effects. Hives, constipation, dry mouth, and headaches are common side effects in a lot of drugs. But in some cases certain side effect combinations can indicate an allergic reaction instead of being a side effect. Be sure to read the specific warnings on the drug to be sure.
Overall, the entire suite of B-complex vitamins is essential for good hair and skin. In addition to Vitamin B12, vitamins B3 and B6 are also critical for hair and skin growth and appearance. A balanced B-complex vitamin supplement provides the extra boost your hair and skin may need to look great.
What are the best vitamins for hair care? Vitamin C, B vitamins such as Biotin (Vitamin B7 or Vitamin H) and Niacin (Vitamin B3) have been shown to be essential vitamins for hair growth. To maintain shiny, healthy hair and provide the nutrients your hair needs, maintain a balanced diet with these top vitamins for hair growth.