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A Bare Biology brown bottle with a black cap, labeled Pure Omega-3 Fish Oil for Kids, contains Action Heroes: Pure Omega-3, 100ml. This supplement includes DHA for brain growth and features blue and red accents with abstract human figures.
little girl sitting with her mum who is prepping a dose of bare biology kids omega-3 fish oil with syringe
Bare Biology kids fish oil review on a blue background with 5 white stars
little girl holding bare biology action heroes omega-3 fish oil and a roundel in the corner explaining dosage
tick list of why bare biology is different and an illustration of a child cart wheeling

Pure Omega-3 Fish Oil for Kids (Liquid)

£32.95 Regular price
off

100ml - 1ml drop a day (3 months supply)

700mg omega-3 in 1ml drop

For children 6 months upwards

The undisputed champion of omega-3 supplements for kids. A tiny drop feeds them a tin of sardines worth of brain-growth essential DHA. Feel less guilty about their beige diet and watch them shine for £10-ish a month.

A Bare Biology brown bottle with a black cap, labeled Pure Omega-3 Fish Oil for Kids, contains Action Heroes: Pure Omega-3, 100ml. This supplement includes DHA for brain growth and features blue and red accents with abstract human figures.
3 Month Supply
Six bottles of Bare Biology Action Heroes Pure Omega-3 liquid for children on a white background
18 Month Supply
Size
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What you need to know

Omega-3 is one of the most important building blocks of your child’s brain and body. With 500mg of DHA per drop, this liquid fish oil for kids is the most powerful you’ll find. It’s certified sustainable, pure, and fresh. Lightly lemon-flavoured, kids do take it, plus it’s easy to hide in cold food and drinks.

Tips for taking

How much?

From our experience with our kids and countless customer reviews, the health benefits of taking 0.5ml from 6 months to a year and then 1ml from 1 year onwards are incredible.

When and how?

It’s best to take at mealtimes. Just use the syringe included and squeeze a drop into your child’s mouth, under or on the tongue. For the very reluctant, mix it into anything cold: juice, a smoothie, yoghurt or salad dressing. Give it a funny name, and follow it with a treat or piece of zingy fruit. Worried? Read our reviews from hundreds of parents. They’ll reassure you.

What if I’m worried?

If there's a specific health concern, we recommend parents consult a registered nutritional therapist for guidance. We love Lucinda Miller at NatureDoc, who knows kids inside out.

Scroll down to the FAQs for more information about Action Heroes Liquid. For general omega-3 questions, visit our omega-3 collection page.

Full Ingredients

Pure fish oil (sardine, anchovy, mackerel), natural Sicilian lemon oil, antioxidant (mixed tocopherols).

Nutritional Content per 1ml: 

Total omega-3

700mg

Of which


DHA 

500mg

EPA 

100mg

Other omega-3s (incl. DPA)

100mg


12 calories per serving

✔️ Keto and paleo friendly

Storage and Safety:

Keep somewhere cool, dry and out of kids’ reach. Don’t use if the safety seal is damaged
or missing. Once open, store in the fridge (it might appear cloudy) and use within 3 months. Food supplements aren’t a substitute for a healthy diet and lifestyle, and never take more than the recommended dose.

It’s always good to check with your doctor before taking omega-3 if you:
• are on any medication, such as blood thinners
• are about to have surgery
• have health concerns or conditions

Batch: AHL56359B, BBE: 11/2026.

Allergy advice: Contains fish and citrus.
Allergen Statement

Pure Omega-3 Fish Oil for Kids (Liquid)

£32.95 Regular price

Why Action Heroes is different

  • Super strength for fast results

    The strongest kids’ omega-3 on the market, so you see faster results. Plus, it’s the best value per dose.

  • Trusted by clinicians & families

    Over half of our sales come from nutritional therapists, doctors and experts who are very selective about supplements, see the real-life changes, and recommend us.

  • IFOS certified purity

    All our finished batches are tested by International Fish Oil Standards – the most rigorous benchmark for purity and freshness. On top of the two sets of tests we also run because we’re omega-3 perfectionists.

  • Wild, sustainably caught fish

    Our long-time Norwegian manufacturer only works with fisheries certified by both Friends of the Sea and the Marin Trust

little girl holding bare biology action heroes fish oil
4.9
Rated 4.9 out of 5 stars
Based on 389 reviews
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389 reviews
  • Rated 5 out of 5 stars
    16 hours ago
    The only fish oil that I trust

    As a functional medicine trained doctor I’m very keen to ensure my children have regular omega-3 supplementation to supplement their diet. It’s important that fish oil is from a trusted source, and that’s what I love about Bare Biology.

    Louise C.
    Verified Buyer
  • Rated 5 out of 5 stars
    22 hours ago
    Excellent product

    Seen a lot of changes since I started using it for my son. Research told me it was the best fish oil in UK. Love it

    Olufunkr A.
    Verified Buyer
  • Rated 1 out of 5 stars
    1 week ago
    Very fishy taste - not as described

    I'm sorry I bought this on the assurance that it doesn't have a fishy taste and unfortunately it has a very very strong fishy taste. It's a no from the kids and from me.

    BB Profile picture for Bare Biology
    Bare Biology
    1 week ago

    Thanks for your honest feedback, Marika. I'm so sorry to hear that you and your kids haven't been enjoying Action Heroes.

    You may, understandably, be worried about whether the oil is safe to take so I’d just like to reassure you that all our oils are triple-tested for purity, including once with IFOS (International Fish Oil Standards). Among other things, we test the oxidation level and it’s always well below the limits set by international bodies.

    While we use natural lemon oil to help create a mild flavour, fresh lemons can differ depending on the season they’re harvested. The same ratio of lemon oil is used in every batch, but occasionally the lemon is less ‘lemony’ and therefore, the fish oil flavour comes through more. Hopefully this explains why you might be experiencing this.

    You may already know this, but just in case, the liquid must be put in the fridge after the first use, with the lid tightly sealed. After a time, the lid and neck of the bottle might catch the odd drip and start to smell a bit stronger, so it’s never a good idea to hold the bottle up to your nose. It’s best to pour some out and smell the fresh oil on the spoon. Obviously, this doesn’t apply to a freshly opened bottle.

    Most of our little customers love taking Action Heroes, but for those who don't, some parents have found sneaking it into their favourite foods can help. Here are some examples you can test out for yourself (https://www.barebiology.com/blogs/news/3-ways-to-help-your-kids-take-their-fish-oil?_pos=3&_sid=d72fed127&_ss=r). Taking it in orange juice can also do the trick.

    I've reached out to you via email to see if I can help with this anymore.

    Best wishes,
    Charlie

    Marika
  • Rated 1 out of 5 stars
    1 week ago
    Super fishy

    I purchased this for my 20 month old after being recommended by a naturopath that this was a very easy to take omega.

    I can’t begin to describe how wrong the recommendation was and the reviews. It smells and tastes so strong! My son isn’t fussy at all, really enjoys eating fish - but this was another level. It sadly made him throw up straight away.

    Totally gutted as I think the brand has incredible values and I really wanted to introduce an Omega.

    BB Profile picture for Bare Biology
    Bare Biology
    1 week ago

    Hi Jessika,

    Thanks for your honest feedback. I'm so sorry to hear that Action Heroes wasn't a hit with your little one.

    You may, understandably, be worried about whether the oil is safe to take so I’d just like to reassure you that all our oils are triple-tested for purity, including once with IFOS (International Fish Oil Standards). Among other things, we test the oxidation level and it’s always well below the limits set by international bodies.

    While we use natural lemon oil to help create a mild flavour, fresh lemons can differ depending on the season they’re harvested. The same ratio of lemon oil is used in every batch, but occasionally the lemon is less ‘lemony’ and therefore, the fish oil flavour comes through more. Hopefully this explains why you might be experiencing this.

    One more thing - the liquid must be put in the fridge after the first use, with the lid tightly sealed. After a time, the lid and neck of the bottle might catch the odd drip and start to smell a bit stronger, so it’s never a good idea to hold the bottle up to your nose. It’s best to pour some out and smell the fresh oil on the spoon. Obviously, this doesn’t apply to a freshly opened bottle.

    Most of our little customers love taking Action Heroes, but for those who don't, some parents have found sneaking it into their favourite foods can help. Here are some examples you can test out for yourself (https://www.barebiology.com/blogs/news/3-ways-to-help-your-kids-take-their-fish-oil?_pos=3&_sid=d72fed127&_ss=r). Taking it in orange juice can also do the trick.

    I've reached out to you via email to see if I can help with this anymore.

    Best wishes,
    Charlie

    Jessika N.
    Verified Buyer
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FAQs

How long will a bottle last?

How much omega-3, DHA and EPA is in each drop?

How do I measure out 1ml?

How do I keep the syringes clean?

Do I have to use the syringe?

What age is Action Heroes good for?

Why is DHA omega-3 so crucial for kids?

Why do you recommend 500mg DHA for children?

What is the lemon oil made from?

Does it contain any allergens?

We bare all. So you can relax.

  • Additive Free
  • Complete Transparency
  • Made in Norway & UK
  • UK Family Owned
  • 3rd Party Tested
  • Free From Nasties