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Nordic Naturals has earned a consistent place on our shelves because the brand prioritises fish oil in triglyceride form, the format the body handles most efficiently. EPA and DHA are among the few supplements with a substantial body of evidence behind them, and omega-3 deficiency is genuinely common in the UK. We recommend testing your omega-3 index before and after supplementing — it is one of the clearest ways to see whether a supplement is actually doing its job.
About this product
Ultimate Omega
Nordic Naturals Ultimate Omega is a concentrated fish oil supplement providing EPA and DHA, the two omega-3 fatty acids most studied for cardiovascular and cognitive health. EPA and DHA are long-chain polyunsaturated fats that the body cannot synthesise in meaningful quantities from plant sources alone, which means most people rely entirely on dietary intake — typically oily fish — or supplementation to maintain adequate levels.
This product suits people who eat little to no oily fish, those managing elevated triglycerides under clinical guidance, and individuals in cognitively demanding roles or life stages where brain-derived omega-3 status may matter. Athletes in heavy training blocks may also find omega-3 supplementation worth considering, given its studied role in supporting recovery from exercise-induced inflammation.
Nordic Naturals is a well-regarded name in the omega-3 category, known for prioritising the triglyceride form of fish oil, which research suggests is absorbed more readily than the ethyl ester form common in cheaper products. The softgel format helps protect the oil from oxidation. As with any fish oil supplement, those on anticoagulant medication such as warfarin should speak with their GP before starting, as high-dose omega-3 may influence bleeding time. A blood test measuring omega-3 index is the most precise way to establish whether supplementation is warranted and whether a given dose is working.
What it does
Benefits
- 01
EPA and DHA to support cardiovascular health
- 02
May help maintain healthy triglyceride levels
- 03
Studied for cognitive function and brain health
- 04
Supports recovery from exercise-induced inflammation
- 05
Concentrated source for those with low oily fish intake
Get the most from it
How to use
Take 2 softgels daily, as directed on the packaging. Fish oil softgels are generally better tolerated — and absorbed — when taken with a meal containing dietary fat. Avoid taking on an empty stomach if you are prone to fishy aftertaste or mild reflux.
What's inside
Ingredients
View full ingredient list
EPA, DHA from fish oil
Common questions
Frequently asked
What is the difference between triglyceride and ethyl ester fish oil?
Triglyceride-form omega-3 is the form found naturally in fish. Ethyl ester is a cheaper, processed form used in many budget supplements. Research generally suggests triglyceride-form fish oil is absorbed more efficiently, though both can raise omega-3 levels with consistent use.
Is this safe to take alongside blood-thinning medication?
If you are taking anticoagulants such as warfarin or aspirin regularly, speak with your GP before starting any fish oil supplement. High-dose omega-3 may influence bleeding time, and your doctor will want to monitor this.
How long before I notice a difference?
Omega-3 supplementation typically takes 8–12 weeks of consistent daily use to meaningfully shift your blood omega-3 index. Subjective changes — such as in mood or joint comfort — may be noticed sooner, but measuring your omega-3 index via a blood test is the most reliable way to track progress.
Is this suitable for people who eat fish regularly?
It depends on how much oily fish you eat. Two to three portions of oily fish per week may provide adequate EPA and DHA for many people. If your intake is lower than that, or you want to confirm your levels, an omega-3 index test will give you a clear answer before you decide to supplement.
Can I take this if I am pregnant or breastfeeding?
Omega-3 supplementation is often discussed during pregnancy, particularly DHA for foetal brain development. However, you should consult your midwife or GP before starting any new supplement during pregnancy or while breastfeeding, as individual needs and appropriate doses vary.
Doctor-guided care
Test before you supplement.
Bloods are the only way to know what your body actually needs. We'll tell you which of these supplements earn their place.
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