Two of the most essential ones are B6 and B12. B6 helps maintain normal levels of the amino acid homocysteine, high levels of which can cause heart problems. B6 also supports the immune system and ...

Whether you’re looking for an energy boost (vitamin B12) or immune support (B6), you’ll want to know the best time to take vitamin B. Meet the experts: Keri Gans, R.D.N., is author of The Small Change ...