Delivered in 3-6 working days. Local orders within 4 hours. T's and C's apply.Folic acid and vitamin B12 are essential for the maintenance of the nervous system and healthy red blood cells. Folic acid supplementation is vital during pregnancy. Vitamin B12 supplementation is important for vegans, as a plant-based diet cannot support dietary requirements. Vitamin B6 supports the functions of both folic acid and vitamin B12.