[4] The U.S. Preventive Services Task Force (USPSTF) analyzed the available data on whether multivitamins can help prevent heart disease or cancer.Their conclusion? Functional health, which refers to your ability to perform daily tasks independently, is an important factor in healthy aging. [6] The analysis looked at data from over 16,000 people registered in the COcoa Supplement and Multivitamin Outcomes Study (COSMOS). They linked this to reduced daily impact of heart failure symptoms, including breathlessness, swelling, and extreme tiredness, while taking the multivitamin. More research is necessary to more confidently establish a link between multivitamin use and long-term clinical benefits, and to identify the possible mechanisms underlying this functional health protection.