What is the TOTOX Index? The Key to Omega-3 Quality

Justyna Kąkol

Publication: 07-07-2026

When choosing an omega-3 supplement, most people focus solely on the number of milligrams of EPA and DHA. That's important information, but it doesn't tell the whole story about a product's quality. Omega-3 fatty acids are prone to oxidation and can lose their freshness when exposed to oxygen, light, and heat. That's why the TOTOX index matters — it helps assess whether fish oil is genuinely fresh, stable, and worth supplementing with.

Justyna Kąkol

Graduate of licentiate studies in Polish philology at the University of Rzeszow and master studies in European studies at the University of Warsaw. For over 10 years, she has been creating content on health, dietetics and medicine. Passionate about a healthy lifestyle, physical activity and a rational approach to diet. In her spare time, she enjoys preparing delicious, nutritious meals and spending time with family.