What is Seven Seas Omega-3 Extra Strength?
Seven Seas Omega-3 Extra Strength is a fish oil food supplement that provides omega-3 fatty acids to support general health.
Each softgel contains concentrated fish oil with EPA and DHA, which help support:
- Normal heart function
- Brain function
- Eye health
Omega-3 supplements are often used when dietary intake of oily fish is low.
Active ingredients per softgel:
- Fish oil 1000 mg
- EPA
- DHA
This product is a food supplement and is not intended to treat or cure medical conditions.
Who is Seven Seas Omega-3 Extra Strength suitable for?
Seven Seas Omega-3 Extra Strength may be suitable for:
- Adults who want to support heart health
- Adults who want to support brain and eye health
- People who do not eat much oily fish
Speak to a healthcare professional before taking this product if you are:
- Pregnant or breastfeeding
- Taking blood-thinning medicines
- Taking regular medication for cholesterol or heart conditions
This product may not be suitable for:
- People with a fish or seafood allergy
- People with bleeding disorders
- People advised to avoid fish oil supplements
How to take Seven Seas Omega-3 Extra Strength
Typical use
Take 1 softgel daily with water during a meal.
- Swallow the softgel whole
- Do not chew or break it
- Taking it with food may help reduce fishy aftertaste or burping
Missed dose
- If you miss a dose, take it when you remember.
- If it is nearly time for your next dose, skip the missed dose and continue as normal.
- Do not take a double dose to make up for a missed dose.
Overuse
- Do not take more than the recommended dose unless advised by a healthcare professional.
- Taking too much may increase the risk of side effects such as stomach upset, bruising, or bleeding.
- If you take too much and feel unwell, seek medical advice.
How to store
- Store below 25°C
- Keep in a cool, dry place
- Keep away from direct sunlight
- Keep out of the sight and reach of children
- Do not use after the expiry date on the pack
Side effects
Some people may notice:
- Fishy aftertaste
- Burping
- Mild stomach upset
- Loose stools
These effects are usually mild.
Stop taking the supplement and seek medical advice if you notice:
- Rash
- Itching
- Swelling
- Difficulty breathing
- Unusual bruising or bleeding
Order Journey
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Approved by Pharmacy Team
As a general sale product, no prescription is required. You can purchase directly.
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Our Clinical Authors
This page has been written by a registered UK pharmacist and reviewed by our clinical team to ensure it is accurate, clear and reflects current clinical guidance.
Last medically reviewed: 16 March 2026
Last updated: 16 March 2026