Vitamin B Complex Plus V020 If you are looking for a high potency vitamin B complex with the added benefit of vitamin C this product is for you. Recommended Intake One tablet daily as a food supplement or as directed by a practitioner. What do the B vitamins do They may help maintain normal nerve function They may contribute to the digestion & metabolism of proteins fats & carbohydrates They may promote healthy skin hair brain & nerve function The B vitamins work most