what are the best brand vitamin supplements to take?
['Calcium: Kirkland (Costco)', 'CoQ10: Life Extension.', "Joint Health: Puritan's Pride.", 'Melatonin: Life Extension.', "Multivitamin: Puritan's Pride.", 'Omega-3s: Carlson.', 'Probiotic: Jarrow.', 'Vitamin D: Life Extension.']