A large study has found that almost all vitamin, mineral and other nutrient supplements or diets cannot be linked to longer life or protection from heart disease dispelling the myth of a magic bullet.
Reference: Khan et al. 2019. Effects of Nutritional Supplements and Dietary Interventions on Cardiovascular Outcomes: An Umbrella Review and Evidence Map. Annals of Internal Medicine. DOI: 10.7326/M19-0341