Lipids, blood pressure and realistic effect sizes
Heart Health After 65
Cardiovascular risk rises with age, and supplement effects are small next to medication and diet. These are the ones with measurable, replicated results.
What the evidence says
- High-dose omega-3 reliably lowers elevated triglycerides; broader cardiovascular benefit is debated.
- Higher-dose omega-3 modestly increases atrial fibrillation risk — relevant for many older adults.
- No supplement replaces statin, antihypertensive or anticoagulant therapy prescribed to you.
Supplements in this topic
Omega-3
Omega-3 fish oil
Moderate evidence
Reduces triglycerides and may lower cardiovascular risk in high-risk groups. Benefits for cognition and mood are promising but less certain.
Verdict: Heart and triglyceride benefits are well-supported.
620 studies reviewed
High doses can increase bleeding risk
Minerals
Magnesium
Moderate evidence
Improves sleep quality and reduces muscle cramps in people who are deficient. Many diets are low in magnesium.
Verdict: Helpful for deficiency; limited extra benefit for replete people.
410 studies reviewed
High doses can cause diarrhea
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