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Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)

Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)

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  • ✔️ Provides high-strength EPA and DHA omega-3 fatty acids daily
  • ✔️ Gelatine-free capsule suitable for halal and kosher diets
  • ✔️ Supplies vitamins A and D for immune and bone support
  • ✔️ Supports normal heart function and brain health
  • ✔️ One capsule daily — convenient, no fishy smell on opening

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What Is Cod Liver Oil Gelatine Free and How Can It Help You?

 

Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) is a well-established omega-3 supplement that delivers a meaningful daily dose of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), alongside vitamins A and D — all in a capsule shell free from animal-derived gelatine. That last point matters more than you might think. Many people avoid standard fish oil capsules because the shell is made from bovine or porcine gelatine, which conflicts with halal, kosher, or certain personal dietary preferences. This formulation removes that barrier entirely. If you're already exploring our range of vitamins and supplements, this product sits neatly alongside other daily essentials for long-term wellbeing.

Omega-3 fatty acids are classed as essential fats — your body cannot produce them on its own, so you need to obtain them through diet or supplementation. The NHS notes that most people in the UK do not eat enough oily fish to meet recommended omega-3 intakes, making a supplement like this a practical option for many adults.

 

How Does Seven Seas High Strength Pure Cod Liver Oil Work?

 

The active components in this supplement work through several complementary pathways. Here's a straightforward breakdown:

  • EPA and DHA are incorporated into cell membranes throughout the body, where they help regulate inflammatory signalling. This is particularly relevant for joint comfort and cardiovascular health.
  • DHA is a structural component of the brain and retina, supporting cognitive function and normal vision.
  • Vitamin A (retinol) contributes to the maintenance of normal skin, mucous membranes, and immune function.
  • Vitamin D supports calcium absorption, bone mineralisation, and immune regulation — particularly important in the UK, where sunlight exposure is limited for much of the year.

Together, these nutrients address several common nutritional gaps in one daily capsule, rather than requiring multiple separate products.

 

Who Should Consider Using This Cod Liver Oil Supplement?

 

This supplement is designed for adults who want to support their general health through daily omega-3 and vitamin intake. It's particularly well suited to:

  • Adults who eat little or no oily fish (e.g. salmon, mackerel, sardines)
  • People who avoid gelatine for religious, cultural, or personal reasons
  • Those looking to support joint flexibility and comfort as they age
  • Adults wanting to maintain heart and brain health as part of a balanced lifestyle

It is not recommended for children under 12 without medical advice, and it is not suitable for pregnant women due to its vitamin A content (see the patient information section below for full details).

 

How Does This Product Compare to Standard Cod Liver Oil Capsules?

 

Feature Seven Seas High Strength (Gelatine Free) Standard Cod Liver Oil Capsules
Capsule shell Gelatine free (plant-based or starch-based) Bovine or porcine gelatine
Omega-3 content High strength EPA + DHA Variable — often lower strength
Vitamins included Vitamin A and Vitamin D Often vitamin A and D, but varies by brand
Suitable for halal/kosher diets Yes (gelatine free) Not typically

 

Is This Product Stored and Handled Correctly?

 

Store Seven Seas High Strength cod liver oil gelatine free capsules below 25°C in a cool, dry place away from direct sunlight. Do not store in a bathroom cabinet, where humidity can degrade the capsule shell. Always keep the product out of reach of children, and check the expiry date printed on the packaging before use.

If you notice any change in colour, smell, or texture of the capsules, do not use them and dispose of them safely. For guidance on other health products you might store at home, our vitamins and supplements collection includes a wide range of options reviewed by our pharmacist team.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) specifications
Treatment category Nutritional supplement — omega-3 fatty acids and vitamins
Active ingredient Cod liver oil (providing EPA, DHA), Vitamin A, Vitamin D
Mechanism of action Omega-3 fatty acids modulate inflammatory pathways; vitamins A and D support immune, bone, and vision health
Suitable for Adults aged 12 and over; those avoiding gelatine
UK classification Food supplement (not a licensed medicine)
Drug class Omega-3 fatty acid supplement
Preparation Soft capsule (gelatine free shell)
Route of administration Oral

Specifications of Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)

 

What Is Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) and What Is It Used For?

 

Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) is an oral food supplement providing omega-3 fatty acids (EPA and DHA) derived from cod liver oil, together with vitamins A and D. It is used to help maintain normal heart function, support brain health, contribute to the maintenance of normal vision, and assist with bone and immune health. The NHS recommends that adults consider a daily vitamin D supplement, particularly during autumn and winter months, and this product conveniently combines that with omega-3 support in a single capsule.

It is not a licensed medicine and is not intended to diagnose, treat, cure, or prevent any disease. However, it forms a useful part of a balanced nutritional routine, especially for those who do not regularly consume oily fish.

 

What Do You Need to Know Before Using Seven Seas High Strength Pure Cod Liver Oil?

 

Before starting this supplement, please read the following carefully.

Do not use this product if you:

  • Are pregnant or planning to become pregnant — vitamin A (retinol) in high doses may harm an unborn baby
  • Are allergic to fish or any ingredient in the capsule
  • Already take high-dose vitamin A supplements
  • Have hypervitaminosis A or D (excess vitamin A or D in the body)
  • Are under 12 years of age, unless advised by a doctor

Speak to your doctor or pharmacist before use if you:

  • Take anticoagulant medicines such as warfarin — omega-3 fatty acids may enhance their blood-thinning effect
  • Take other vitamin A or D supplements, as combined intake may exceed safe upper limits
  • Have a liver condition, as vitamin A is metabolised in the liver
  • Are breastfeeding — seek professional advice on appropriate vitamin A intake

 

How Should You Use Seven Seas High Strength Pure Cod Liver Oil?

 

Using this supplement correctly helps you get the most from it while minimising the chance of any digestive discomfort. Follow these steps:

  1. Check the expiry date on the packaging before opening.
  2. Take one capsule per day — do not take more than the recommended dose.
  3. Swallow the capsule whole with a full glass of water.
  4. Take with food to reduce the likelihood of a fishy aftertaste or mild nausea.
  5. Try to take it at the same time each day to build a consistent habit.
Indication Age Group Dose Frequency
General omega-3 and vitamin support Adults and children 12+ 1 capsule Once daily with food
Children under 12 Under 12 years Not recommended without medical advice
Pregnant women Any age Not recommended

If you are looking for other daily health essentials, our heart and brain health range includes complementary products reviewed by our pharmacist team. You might also find our vitamins and supplements collection useful for building a complete daily routine.

 

What Are the Possible Side Effects of Seven Seas High Strength Pure Cod Liver Oil?

 

Like all supplements, this product may cause side effects in some people, though not everyone experiences them. Most are mild and tend to resolve on their own.

Common side effects:

  • Fishy aftertaste or fishy breath
  • Mild nausea, particularly if taken on an empty stomach
  • Loose stools or mild gastrointestinal discomfort
  • Burping

Less common side effects:

  • Headache (associated with excessive vitamin A intake if dose is exceeded)
  • Skin changes such as dryness or peeling (with prolonged excessive vitamin A)
  • Increased bleeding time — relevant if you are on anticoagulant therapy

If you experience any allergic reaction — including rash, swelling of the face or throat, or difficulty breathing — stop taking the product immediately and seek urgent medical attention.

 

How Should You Store Seven Seas High Strength Pure Cod Liver Oil?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and sources of heat
  • Do not store in a bathroom or near a kitchen sink where humidity is high
  • Keep the lid tightly closed after each use
  • Keep out of sight and reach of children
  • Do not use after the expiry date printed on the packaging
  • Do not freeze

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) online in the UK?

You can order Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free) directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription and is priced at £8.49. Browse our full vitamins and supplements collection for related products.

How does cod liver oil work in the body?

Cod liver oil provides EPA and DHA omega-3 fatty acids, which are incorporated into cell membranes and help regulate inflammatory processes throughout the body. It also supplies vitamins A and D, which support immune function, vision, and bone health. Together, these nutrients address several common nutritional gaps in a single daily capsule.

Is Seven Seas cod liver oil gelatine free suitable for halal or kosher diets?

Yes — this product uses a gelatine-free capsule shell, making it suitable for those who avoid porcine or bovine gelatine for halal, kosher, or personal dietary reasons. However, it is not suitable for vegans or vegetarians as the oil itself is derived from fish. Always check the full ingredient list on the packaging if you have specific dietary requirements.

What is the correct dose of Seven Seas High Strength Pure Cod Liver Oil?

The recommended dose for adults and children aged 12 and over is one capsule per day, taken with food. Do not take more than one capsule daily, as exceeding the dose may lead to excessive vitamin A or D intake. If you are unsure about the right dose for your circumstances, speak to your pharmacist.

When is the best time to take Seven Seas cod liver oil?

There is no strict requirement on timing, but taking the capsule with your main meal of the day is generally recommended. Food helps the body absorb fat-soluble vitamins A and D more effectively, and it also reduces the chance of a fishy aftertaste or mild nausea. Taking it at the same time each day helps you build a consistent habit.

Can I take cod liver oil if I am pregnant?

No — pregnant women and those planning a pregnancy should not take cod liver oil supplements. This is because they contain vitamin A in the form of retinol, which in high amounts can harm an unborn baby. The NHS advises pregnant women to avoid vitamin A supplements and liver products. Speak to your GP or midwife about safe omega-3 options during pregnancy, such as algae-based DHA supplements.

Does Seven Seas cod liver oil interact with warfarin or other blood thinners?

Omega-3 fatty acids can enhance the anticoagulant effect of medicines such as warfarin, potentially increasing the risk of bleeding. If you are taking any blood-thinning medication, you must speak to your GP or pharmacist before starting this supplement. Regular INR monitoring may be needed if your doctor advises you to continue both.

What are the side effects of Seven Seas High Strength Pure Cod Liver Oil?

The most commonly reported side effects are a fishy aftertaste, burping, and mild nausea — all of which are usually reduced by taking the capsule with food. Less commonly, some people experience loose stools or mild gastrointestinal discomfort. Serious side effects are rare but seek medical attention immediately if you notice any signs of an allergic reaction.

How do I manage the fishy aftertaste from cod liver oil capsules?

Taking the capsule with a meal rather than on an empty stomach is the most effective way to reduce a fishy aftertaste. Some people find that storing the capsules in the fridge (not freezer) also helps, as cold oil is less likely to cause burping. Drinking a full glass of water with the capsule can also help it pass through the oesophagus quickly.

Who is eligible to take Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)?

This supplement is suitable for adults and young people aged 12 and over who are not pregnant and do not have a fish allergy. It is particularly useful for those who eat little oily fish, those who avoid gelatine, and adults wanting to support joint, heart, or immune health. It is not suitable for pregnant women, children under 12 without medical advice, or anyone with a known allergy to fish.

What happens if I miss a dose of Seven Seas cod liver oil?

If you forget to take your daily capsule, simply take it as soon as you remember — unless it is almost time for your next dose, in which case skip the missed one. Do not take two capsules to make up for a missed dose. Missing an occasional dose will not cause harm, as the benefits of omega-3 supplementation build up gradually over time.

How long can you take Seven Seas cod liver oil for?

This supplement can generally be taken long term as part of a balanced daily routine, provided you stick to the recommended dose of one capsule per day. Exceeding the dose over a prolonged period carries a risk of vitamin A toxicity, so it is important not to combine it with other high-dose vitamin A supplements. If you have any concerns about long-term use, speak to your GP or pharmacist.

What are the alternatives to Seven Seas cod liver oil?

Alternatives include standard (gelatine-containing) cod liver oil capsules, omega-3 fish oil supplements (which do not contain vitamins A and D), and algae-based omega-3 supplements suitable for vegans. The right choice depends on your dietary preferences, health goals, and any contraindications. Our vitamins and supplements range includes several omega-3 options to compare.

Can children take Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)?

This high-strength formulation is not recommended for children under 12 without specific medical advice, as the vitamin A and D content is dosed for adults. For younger children, age-appropriate cod liver oil products with lower vitamin doses are available. Always consult your GP or pharmacist before giving any supplement to a child. You can also explore our baby and toddler range for age-suitable options.

What does the latest research say about cod liver oil and heart health?

Research consistently supports the role of omega-3 fatty acids (EPA and DHA) in contributing to normal heart function, with the European Food Safety Authority (EFSA) confirming that a daily intake of 250 mg of EPA and DHA contributes to normal cardiac function. The NHS also highlights the importance of omega-3 fats from oily fish for heart health. While cod liver oil is not a treatment for heart disease, it can form part of a heart-healthy lifestyle alongside a balanced diet and regular physical activity.

How Should You Use Seven Seas High Strength Pure Cod Liver Oil (Gelatine Free)?

Using this supplement correctly is straightforward, but a few simple steps will help you get the most from it and avoid any minor digestive discomfort. Always read the label before starting and follow the instructions provided with the packaging.

If you have difficulty swallowing capsules, speak to your pharmacist for advice. Do not open or pierce the capsule unless specifically instructed to do so.

What Is the Correct Dose of Seven Seas High Strength Pure Cod Liver Oil?

The recommended daily dose is one capsule per day for adults and young people aged 12 and over. Do not exceed this dose, as the product contains vitamins A and D, which can accumulate in the body if taken in excess over time.

If you are already taking other supplements containing vitamin A or D, check with your pharmacist before adding this product to your routine to avoid exceeding safe daily intake levels.

When Is the Best Time to Use Seven Seas High Strength Pure Cod Liver Oil?

There is no clinically mandated time of day for taking this supplement, but most people find it easiest to take with their largest meal — typically lunch or dinner. Fat-soluble vitamins such as A and D are absorbed more efficiently when consumed alongside dietary fat, so a meal containing some fat (even a small amount) is ideal. Taking it at the same time each day also helps you remember your dose consistently.

Avoid taking the capsule on a completely empty stomach, as this is the most common reason people experience a fishy aftertaste or mild nausea.

How Long Can You Use Seven Seas High Strength Pure Cod Liver Oil For?

This supplement can be taken as part of a long-term daily routine, provided you stick to the recommended dose of one capsule per day. Many people take omega-3 and vitamin D supplements year-round, particularly in the UK where sunlight exposure is insufficient for adequate vitamin D synthesis during autumn and winter months. However, you should not take this product alongside other high-dose vitamin A supplements for extended periods, as cumulative intake may exceed safe upper limits. Review your supplement routine with your pharmacist or GP at least once a year.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Seven Seas High Strength Pure Cod Liver Oil?

Most people tolerate this supplement well, but some do experience mild side effects, particularly when first starting it. The most frequently reported issues are related to the fish oil content rather than the vitamins.

  • Fishy aftertaste or fishy breath
  • Burping or belching
  • Mild nausea, especially if taken on an empty stomach
  • Loose stools or mild diarrhoea
  • Mild abdominal discomfort or bloating

Taking the capsule with food — particularly a meal containing some fat — significantly reduces the likelihood of these effects. Most people find they settle within the first week or two of use.

What Are the Less Common Side Effects of Seven Seas High Strength Pure Cod Liver Oil?

Less commonly, some people may experience side effects linked to the vitamin content of the supplement, particularly if the recommended dose is exceeded or if other vitamin A or D supplements are taken at the same time.

  • Headache
  • Dizziness
  • Dry or peeling skin (associated with excess vitamin A over time)
  • Increased thirst or urination (associated with excess vitamin D)
  • Fatigue or weakness

These effects are unlikely at the recommended dose of one capsule per day. They are more likely to occur if you are also taking other supplements containing vitamins A or D.

What Are the Serious Side Effects of Seven Seas High Strength Pure Cod Liver Oil?

Serious side effects are rare but require prompt medical attention. Stop taking this supplement immediately and seek urgent help if you notice any of the following:

  • Signs of an allergic reaction: skin rash, itching, swelling of the face, lips, tongue, or throat, or difficulty breathing
  • Severe abdominal pain
  • Unusual bruising or prolonged bleeding (particularly relevant if you take anticoagulant medicines)
  • Symptoms of vitamin A toxicity: severe headache, blurred vision, nausea, and peeling skin

If you are taking warfarin or another anticoagulant and notice any unusual bleeding, contact your GP or anticoagulation clinic without delay.

What Should You Do If You Experience Side Effects?

For mild side effects such as a fishy aftertaste or nausea, try taking the capsule with a larger meal or storing the pack in the fridge (not the freezer) — cold oil tends to cause less burping. If side effects persist beyond two weeks or are bothering you, stop taking the supplement and speak to your pharmacist. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Seven Seas High Strength Pure Cod Liver Oil Interact With Other Medicines?

Yes. The omega-3 fatty acids in this supplement can interact with anticoagulant medicines such as warfarin, potentially increasing their blood-thinning effect and raising the risk of bleeding. You should also be cautious about combining this product with other supplements containing vitamin A or D, as combined intake may exceed recommended safe upper limits. Always inform your GP or pharmacist of all supplements you are taking, especially before any surgical procedure.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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