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Everything about omega-3, in plain English
Plain-English guides to omega-3 status, dosing, food sources and the ratios on your report — written for everyone, useful for clinicians.
Omega-3 Index 101
The single number that reflects four months of intake — and why 8–12% is the target.
Read the guide →How much EPA + DHA do I need?
UK guidance vs the dose research suggests for optimal status, and how to close the gap.
Read the guide →Omega-3 in seafood
EPA and DHA per portion across common UK fish, with practical notes.
See the table →Choosing an omega-3 supplement
Triglyceride vs ethyl ester, EPA:DHA ratios, algae oil, freshness and third-party testing.
Read the guide →Where the UK sits on omega-3
Why most of us are below the line — and what SACN and the NHS actually recommend.
Read the article →How we test
GC-FID, the dried blood spot method, and the validation behind your result.
Our method →