D-on’t do it.
The USPSTF says there’s insufficient evidence to encourage multivitamins or nutrient supplements for the prevention of cancer of cardiovascular disease, but there is sufficient evidence to discourage beta carotene or vitamin E for the prevention of cancer or cardiovascular disease (i.e. harms outweigh benefits and/or there are no benefits , i.e. D recommendation). | USPSTF, JAMA 2022