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The US Preventive Services Task Force (USPSTF) has updated its recommendations regarding the efficacy of supplements or multivitamins for reducing the risk of cardiovascular disease, cancer, and mortality in the general adult population.
The USPSTF concluded there is insufficient evidence to support the use of multivitamin supplements for the prevention of cardiovascular disease or cancer. Because the potential harms outweigh the benefits, the USPSTF recommends against the use of beta carotene or vitamin E supplements for the prevention of cardiovascular disease or cancer.
This JAMA article points out that more than half of US adults use at least 1 dietary supplement and one third (31%) use a multivitamin-mineral supplement, primarily for overall health, wellness and to fill nutrient gaps in the diet.
The USPSTF concludes that the current evidence is insufficient to assess the balance of benefits and harms of the use of single- or paired-nutrient supplements (other than beta carotene and vitamin E) for the prevention of cardiovascular disease or cancer.