Goal-Based Guide
Omega-3, magnesium, vitamin D and CoQ10 are the supplements with support for heart health. Here's what each one does and why.
Cardiovascular disease remains the leading cause of death globally. These supplements have the most support for heart health, backed by clinical trial data.
Ranked by the verdict on whether each supplement works, worked out from every counted mention. Each dot is one source: a researcher or a study.
positive partly neutral negative Each researcher and each study counts once per claim, however often they come up.
Magnesium supplements are worth taking.
8 sources: 6 positive, 2 partly
Omega-3 supplements are worth taking.
17 sources: 7 positive, 10 partly
Vitamin D supplements are worth taking.
12 sources: 6 positive, 6 partly
CoQ10 is worth taking.
5 sources: 2 positive, 2 partly, 1 negative
Vitamin K2 is worth taking.
2 sources: 2 positive
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The highest-evidence supplements for heart health:
This page shows you which supplements researchers agree on for heart health. A free account opens the dose, form and timing for each supplement, with the interactions to watch. Pro adds chat answers drawn from 3,700+ hours of recorded interviews with 380 researchers and doctors, plus 48,500+ research studies, each one cited.
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