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HEART & VESSELSFish-oil capsules vs eatingfish1VITAL (NEJM 2019): 1 g/day fish oil vs placebo,5.3 years2Major cardiovascular events: no significantdifference (HR 0.92, 0.80–1.06)3Secondary analyses: fewer heart attacks, but theprimary endpoint was negative4People eating little fish (<1.5 servings/week)may have benefited more5Eating fish itself tracks with lower risk — it’smore than omega-36High-dose prescription fish oil (4 g) is aseparate question with separate trialsTwo servings of fish a week has steadier evidence than capsules.Kidney patients: fish contains phosphorus — ask your dietitian.BBeyond CKDbeyondckd.com/en/cards/fish-oil-pills-vs-fishSources: Manson JE et al. VITAL: marine n-3 fatty acids · 2026-10-17Compiled from public clinical guidelines · General education, not individual medical advice
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Heart & vessels

Fish-oil capsules vs eating fish

A daily fish-oil pill to prevent heart disease? The 25,871-person VITAL trial disappointed.

  1. 1VITAL (NEJM 2019): 1 g/day fish oil vs placebo, 5.3 years
  2. 2Major cardiovascular events: no significant difference (HR 0.92, 0.80–1.06)
  3. 3Secondary analyses: fewer heart attacks, but the primary endpoint was negative
  4. 4People eating little fish (<1.5 servings/week) may have benefited more
  5. 5Eating fish itself tracks with lower risk — it’s more than omega-3
  6. 6High-dose prescription fish oil (4 g) is a separate question with separate trials

Two servings of fish a week has steadier evidence than capsules. Kidney patients: fish contains phosphorus — ask your dietitian.

Caption (ready to paste)

A daily fish-oil pill to prevent heart disease? The 25,871-person VITAL trial disappointed.

1. VITAL (NEJM 2019): 1 g/day fish oil vs placebo, 5.3 years
2. Major cardiovascular events: no significant difference (HR 0.92, 0.80–1.06)
3. Secondary analyses: fewer heart attacks, but the primary endpoint was negative
4. People eating little fish (<1.5 servings/week) may have benefited more
5. Eating fish itself tracks with lower risk — it’s more than omega-3
6. High-dose prescription fish oil (4 g) is a separate question with separate trials

Two servings of fish a week has steadier evidence than capsules. Kidney patients: fish contains phosphorus — ask your dietitian.

Sources: Manson JE et al. VITAL: marine n-3 fatty acids — N Engl J Med 2019
Verified: 2026-10-17

Cards and scripts are general health education compiled from public clinical guidelines. They are not individual medical advice and do not replace assessment by your doctor, pharmacist or dietitian. Please keep the sources and this notice when sharing; this page holds the latest version.
https://beyondckd.com/en/cards/fish-oil-pills-vs-fish
60-second short-video script

Shot list and voice-over. Vertical 9:16; put captions in the lower third. Every line maps to the sources on the left.

secScreenVoice-over
0–5Golden capsuleA fish-oil pill a day keeps the cardiologist away?
5–25VITAL numbersVITAL: 25,871 people, over five years — no significant difference in major cardiovascular events.
25–45Fish vs capsule on a scaleLow fish eaters may benefit a little; but two servings of fish a week has steadier evidence.
45–60Phosphorus labelKidney patients: fish has phosphorus. Check portions and types with a dietitian.

Sources (every point on the card maps to one)

Verified: 2026-10-17