Vital for prevention of spinal birth defects.
Great food sources include spinach, peas, fortified cereals and asparagus.
RDA of B6 for men is 1.4mg and 1.2mg for women. For B9 it is 2mg for adults and for B12 it is 0.0015mg.
Supplementation could mask a B12 deficiency, which is more common in the elderly.