I am asking for reccomendations of the size or strength of certain vitamins and Supplements I should take. Any comments on the following, Vitamin C xxx? mg day. ;Vitamin B-12, 5000? mg sublimal/day; Vitamin D-3 3000 (?) mg.; I take 2 Cooper Clinic Fish oil per day which is the dosage recc. by Cooper. Does an octogerian male with asymptomatic AFIB in good health otherwise need cacium or magnesium?