The number on the front of the fish oil bottle is not the one that matters. What matters is the combined EPA and DHA per serving, and it is usually far smaller than the bold print suggests.
If you are not eating oily fish twice a week, this is the supplement worth getting right. Aim for a product delivering roughly one to two grams of combined EPA plus DHA per day, and read those two figures on the back rather than the fish oil total on the front.
The nightly "brain rinse" you might be accidentally skipping.
Biological aging accelerates when your cells miss this 30-second cleanup cycle.
True longevity isn't about adding more supplements; it's about what your body washes away while you sleep.
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Start with what the evidence supports firmly. At higher doses, omega-3s reliably lower triglycerides, which is why clinical guidelines use them for exactly that.
Be clear-eyed about the rest. The large VITAL trial, which enrolled about 25,000 adults and included many women, found that a modest daily fish oil dose did not significantly reduce major cardiovascular events overall, though certain subgroups and outcomes showed signals worth watching.
A separate trial using a high dose of purified EPA did reduce events, but specifically in higher-risk people already on statins with elevated triglycerides. So the cardiovascular benefit is real in some contexts and unproven as a blanket move for everyone.
For you, two more reasons to pay attention. DHA is a structural fat in the brain, and omega-3s may help preserve muscle when paired with resistance training, though that muscle evidence is still early.
On the label, look past the large fish oil figure to the actual EPA and DHA numbers, choose a third-party-tested product to avoid rancid oil, and know that the triglyceride form is fine.
Ask your doctor before starting if you take a blood thinner or antiplatelet, if you have a bleeding disorder, or before any scheduled surgery, because higher doses can add bleeding risk, and some trials noted a small increase in atrial fibrillation.
Food first, two servings of oily fish a week, and if you supplement, buy for the EPA and DHA numbers on the back. That is the difference between paying for a claim and paying for a dose.
