How it may work
Incorporates into cell membranes and influences lipid mediators and triglyceride metabolism.
BizonyítékszintBizonyítékszint C
Böngéssz a független, közérthető bizonyíték-adatlapok között. Minden szint egy pontos kutatási kérdésre válaszol, és nem termékminősítés.
Utolsó felülvizsgálat: 22 Aug 2026Why people are interested
Incorporates into cell membranes and influences lipid mediators and triglyceride metabolism.
Outcome map
One ingredient. Different questions.
Each row answers a separate question; evidence strength can differ by outcome.
- 01Level A
Elevated triglycerides
Defined prescription-strength omega-3 products lower elevated triglycerides in specified populations; ordinary capsules are not interchangeable.
- 02Level C
Cardiovascular events
Cardiovascular results are mixed and depend on the exact product, dose, comparator and population studied.
- 03Level D
Ordinary retail supplements
Evidence from named prescription products does not establish that an ordinary retail supplement reproduces their clinical effects.
- 04Level D
Cognition and physical aging
Large trials do not establish that ordinary supplementation prevents dementia or preserves physical performance in relatively healthy older adults.
- 05Level D
Biological aging and lifespan
Human studies have not established slower biological aging, lower all-cause mortality or longer life from supplementation.
What people have studied
Omega-3 is not one intervention: dietary fish, ordinary supplements and named prescription products answer different evidence questions. Defined prescription products lower triglycerides, but cardiovascular results differ by formulation and population; prescription evidence does not validate ordinary supplements, and healthy-aging or lifespan benefits are not established.
What to consider
High-dose use in higher-risk cardiovascular populations has an atrial-fibrillation signal. Pooled trials show no significant overall bleeding increase, while high-dose purified EPA shows a small absolute increase; source quality and oxidation remain finished-product questions.
Local pathway
Formula, source, dose and claims require local clearance.
Források
Források
Böngéssz a független, közérthető bizonyíték-adatlapok között. Minden szint egy pontos kutatási kérdésre válaszol, és nem termékminősítés.
- 01NIH ODS — omega-3 fatty acids fact sheet ↗
- 02AHA — prescription omega-3 and triglyceride management ↗
- 03REDUCE-IT — purified EPA in selected high-risk adults ↗
- 04STRENGTH — high-dose EPA plus DHA cardiovascular trial ↗
- 05VITAL — marine omega-3 primary-prevention trial ↗
- 06ASCEND — omega-3 primary prevention in diabetes ↗
- 07Cochrane — omega-3 for cardiovascular prevention ↗
- 08Atrial-fibrillation risk — updated 2026 meta-analysis ↗
- 09Bleeding risk — randomized-trial meta-analysis ↗
- 10DO-HEALTH — physical and cognitive outcomes in older adults ↗