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Nutrition 5 min read · 29.06.2026

Omega-3: Why It Matters for Athletes

Omega-3 is not hype – it is one of the few supplements with broad, solid research behind it.

Why omega-3 matters

The long-chain omega-3 fatty acids EPA and DHA help regulate inflammation, support the heart, brain and eyes – and can aid recovery after hard training. Most people get too little, because oily sea fish rarely lands on the plate.

Where to get it

The best natural sources are oily fish like salmon, mackerel and herring – two portions a week cover a lot. Plant sources (flaxseed, walnuts, chia) provide ALA, which the body converts poorly into EPA/DHA. If you eat little fish, a fish-oil or algae-oil supplement often helps.

How much and what to look for

A guideline is around 250 to 500 mg EPA + DHA per day; active people can go a bit higher. With supplements, check the actual EPA/DHA content (not just "fish oil"), purity and freshness. Vegans use algae oil – the same fatty acids, with no fish.

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