I recommend never taking an isolated B vitamin, because they work as a concert. In fact all the 90 Essential Nutrients work together.
Resources to benefit from the above information:
The 90 Essential nutrients
Life Extension Two A Day Multi
Nutrigenomics is the science that shows how foods and nutrients control our genes and how they express either optimal health or weakened health as we age. This is a major breakthrough and it puts us in control of our genes. We are no longer victims of our parents genetic patterns, with no power to alter our state of health as we grow older.
Consider a consultation: What services are provided and the associated fees.