Is cod liver oil good for kids?

You probably remember the ritual.

A stubborn spoonful of Scott’s Emulsion after breakfast orr the Seven Seas cod liver oil bottle sitting confidently on the kitchen counter next to your multivitamin and that box of cereal no one liked but had “fiber.” It wasn’t a question of if you were taking it. You just did.

Your mom swore by it.

My mom did too.

But today, you're the parent. And you're wondering: Do our kids still need cod liver oil? Is it actually doing anything? Or is it just old-school parenting passed down without question? Let’s unpack it.

Cod liver oil is exactly what it sounds like, a nutrient-rich oil extracted from the livers of codfish. But this isn’t just another supplement. It's been a go-to remedy in households for generations especially before the multivitamin craze took over. So why did our mothers line us up with a spoonful of Scott’s Emulsion or Seven Seas every morning? Well, cod liver oil naturally packs a powerful punch of omega-3 fatty acids particularly DHA (docosahexaenoic acid) and EPA (eicosapentaenoic acid) which are essential for brain development and heart health. It’s also one of the richest natural sources of vitamin D and vitamin A, both crucial for immunity, vision, skin health and strong bones. In the pre-Gummy-Vitamin era, this was the OG immune booster.

Benefits

1.Brain & eye development: The DHA in cod liver oil supports memory, attention span and visual processing especially critical in early childhood.

2.Immune support: Vitamins A and D help the immune system respond effectively to viruses and infections.

3.Bone & teeth strength: Vitamin D works with calcium to promote healthy bone growth and prevent deficiencies like rickets.

4.Mood & inflammation regulation: Omega-3s are known to support emotional balance and reduce inflammation even in growing kids.

Our parents may not have had PubMed studies at their fingertips, but they had something just as powerful: observational wisdom. They noticed the benefits, fewer colds, better appetite and a general “glow” of wellness. They didn’t always know the why, but they knew it worked. And many of us grew up with that thick, fishy liquid as a staple in our routines.

Which cod liver oils are parents still swearing by today?

Carlson – Cod Liver Oil, https://amzn.to/4iiqyYh

Nordic Naturals Omega-3 Gummies: https://amzn.to/3GjeZTq

 Seven Seas Cod Liver Oil capsules https://amzn.to/4jyhMGY

The real problem is modern parents are more informed but more overwhelmed. You're Googling:

"Best supplements for kids"

"Omega 3 for child focus and memory"

"Do kids need vitamin D?"

At the same time, you’re juggling picky eaters, screens and a world full of distractions. And your child’s nutrition might feel like one more thing you’re not quite getting right.

What about Scott’s Emulsion?

Scott’s Emulsion is a fortified cod liver oil blend that includes vitamin C, calcium and sometimes iron which makes it more of a multivitamin + cod liver oil hybrid. For fussy eaters or kids with gaps in their diet, it’s a good option.

Shop:  Scott’s Emulsion https://amzn.to/3Eo0xch or try the fruity version: Scott’s Emulsion orange

Do kids still need it today?

That’s the million-dollar question for today’s health-conscious, label-reading, Supplement-Googling parents. We’re more informed than ever. We know what DHA is. We understand the role of vitamin D in immunity. We compare product labels. But do kids still need cod liver oil in an age of fortified cereals, vitamin gummies and plant-based omega-3s? Short answer: It depends on your child’s diet, health needs and how picky of an eater they are. While cod liver oil is no longer the only way to get key nutrients, many kids still benefit from it especially those who:

a. Don’t eat enough fatty fish (like salmon, sardines, or mackerel)

b. Spend limited time in sunlight (and may be low in vitamin D)

c. Have weakened immunity or get sick often

d. Struggle with attention, focus or learning delays

e. Are dealing with skin issues, frequent colds, or slow growth

In fact, vitamin D deficiency is still surprisingly common in kids today. According to the American Academy of Pediatrics, over 40% of children may have insufficient levels of vitamin D, which can impact everything from their bones to their mood. So, is cod liver oil necessary? It might not be a must for every child, but it’s certainly worth considering especially during growth spurts, winter months or if your child’s diet is limited. A high-quality cod liver oil supplement can act as nutritional “insurance” without needing multiple pills or powders. Just one teaspoon a day can deliver a balanced combo of vitamins A, D and omega-3s all from a single, natural source.

What if my child hates the taste? Let’s be honest, cod liver oil is an acquired taste. Even with lemon flavoring or fruit emulsions, some kids just can’t stomach it. If the mere whiff of it sends your child running, don’t worry. There are modern, taste-friendly alternatives that still pack in those essential nutrients without the gag reflex. Here are some great substitutes that deliver similar benefits:

1. Omega-3 gummies & soft gels

If you’re mainly after the brain-boosting DHA and EPA, there are loads of kid-friendly options now. Think: berry-flavored gummies or soft gels that taste like candy (but aren’t loaded with sugar).

Nordic Naturals Omega-3 Gummies: https://amzn.to/3GjeZTq. These support cognitive development, memory, and even behavior, all without the fishy taste.

2. Vitamin D drops

Vitamin D is critical for bone strength, immune function, and mood regulation especially if your child rarely plays outdoors or lives in colder climates.

Gentle, high-quality option:

-Vitamin D3 Drops for Kids https://amzn.to/4iaaBDz – tasteless, easy to add to juice or food

3. Whole food sources

Prefer to go the food-first route? You can absolutely support your child’s health without supplements, it just takes consistency.

-Fatty fish (like salmon, tuna, mackerel) – 1–2 servings a week

-Egg yolks, cheese, mushrooms – vitamin D & A

-Leafy greens & colorful veggies – support overall immunity

-Chia seeds, flaxseeds, walnuts – plant-based omega-3s (though less potent than marine sources)

? 4. Fortified foods

Many cereals, plant milks, and dairy products are now fortified with vitamins D and A. This can help bridge the gap, especially for picky eaters.

Pro tip: Check the label. A single serving of fortified cereal + milk can provide up to 50% of your child’s daily vitamin D needs.

If your child hates cod liver oil, that’s not a deal breaker. You’ve got options and plenty of ways to support their growth, focus, and immune system with tasty, modern alternatives.

What to look for in a good supplement without getting overwhelmed

Shopping for supplements can feel like decoding a foreign language. EPA? DHA? IU? Emulsified? Natural vs. synthetic? It’s enough to make any parent second-guess their choices. Here’s how to simplify it and pick the right supplement for your child without wasting money or getting lost in marketing fluff.

1. Know the key nutrients

When choosing cod liver oil or any alternative supplement, look for:

a. Omega-3s (DHA + EPA): For brain, eyes, and focus.

1. DHA is especially important for younger kids.

b. Vitamin D (D3 preferred): For strong bones, immunity, and mood regulation.

c. Vitamin A: Supports vision, immune function, and growth.

Watch out: Some cod liver oils have very high vitamin A which can be too much for kids if taken daily and paired with fortified foods. Balance is key.

2. Purity & Safety

Kids’ supplements should be:

1. Third-party tested for heavy metals and toxins (especially in fish-based oils)
2. Free of synthetic additives or unnecessary sugar, dyes, and preservatives
3. Ideally non-GMO and made from sustainably sourced fish

Check: Carlson Kid’s Very Finest Fish Oil https://amzn.to/42wblNJ sustainably sourced, lemon-flavored, third-party tested

3. Taste and Texture

Let’s be real, if it tastes awful, your child won’t take it.

i. Gummies or flavored oils are usually the most palatable

ii. Liquid drops can be hidden in yogurt, smoothies, or juice

iii. Soft-gels work better for older kids or teens

Pro tip: Let your child help choose this boosts buy-in and routine success.

4. Proper dosage

Don’t “guess and give.” Always:

1. Follow age-specific dosage on the label
2. Check with your pediatrician if your child is already getting fortified foods or other supplements

Too much vitamin A or D can be harmful over time, so more is not always better.

5. Check the source

Not all omega-3s are equal. You want:

i. Cod liver oil or fish oil from wild, cold-water fish (like cod, sardines, or anchovies)

ii. Algae-based omega-3s if you're vegetarian or want a plant-based option (still effective for DHA)

Plant-based option: MaryRuth Organics Vegan Omega-3 Liquid Drops https://amzn.to/3YvauLL sourced from algae, orange flavor

Consistency beats perfection. A supplement only works if it becomes part of a habit. Try:

a. Adding it to breakfast routines

b. Pairing it with a reward chart for younger kids

c. Taking yours at the same time to model the habit

A good supplement can support your child’s health but real power comes from what you do consistently, not just occasionally.

Frequently Asked Questions about cod liver oil for kids

1. Can babies take cod liver oil?

Yes. But with caution. Babies can benefit from the omega-3s and vitamin D in cod liver oil, especially if they’re breastfed (since breast milk may be low in vitamin D). But the dosage must be age-appropriate and doctor-approved.

Under 6 months? Only give supplements under pediatric supervision. Some products are specially formulated for infants.

6 months+? A few drops of baby-specific cod liver oil may be okay, but still check with your pediatrician first.

2. What’s better, Fish oil or cod liver oil?

Both are great sources of omega-3s, but there’s a key difference:

Cod liver oil is best if you're looking for a more complete supplement (especially in winter or for immune support).

Fish oil is better if your child already gets vitamins A and D from food or other supplements.

3. Is it safe to combine supplements?

Sometimes yes but you must be careful. It’s common for kids to take a multivitamin along with cod liver oil, but here’s what to watch for:

a. Vitamin A + D overload: Cod liver oil already contains both. Too much can be harmful, especially over time.

b. Double omega-3s: If your child takes both cod liver oil and a separate omega-3 gummy, you could go overboard.

Always check the labels and consult your pediatrician if your child is taking:

i. Multivitamins

ii. Calcium/vitamin D supplements

iii. Fortified foods (like cereal or milk with added vitamins)

4. Do kids need to take cod liver oil forever?

Not necessarily. Supplements should fill in gaps, not replace a healthy diet. If your child consistently eats: Fatty fish (like salmon, sardines), egg yolks, liver (yes, really!) and dairy or fortified plant milks …then they may not need cod liver oil daily. You can use it seasonally (e.g., during cold months) or when diet isn’t covering their needs.

Cod liver oil for kids: Scott’s Emulsion vs Seven Seas vs Modern Alternatives

Each option has its strengths:

1.Scott’s Emulsion is for those who trust the old-school way and want a time-tested product with nostalgic value.

2. Seven Seas offers a balanced, mild option for everyday use.

3. Modern brands like Nordic Naturals or Child-Life are best if you're focused on purity, taste, and specific health benefits like brain development.

Tip: Choose based on your child’s age, taste preference, dietary gaps, and how sensitive they are to textures or smells.

To conclude, cod liver oil, whether from your childhood memories of Scott’s Emulsion or today’s Seven Seas capsules is more than just an old-school remedy. It continues to be a reliable source of essential nutrients like omega-3s and vitamins A and D that support your child’s immune system, brain development and bone health. Kids today have more choices than we ever did. From fortified foods to gummy multivitamins to DHA-rich meals, the goal isn't to stick to tradition but to meet your child’s nutritional needs in the most practical and safe way possible. Whether you stick with Scott’s, go with Seven Seas or explore modern alternatives like Nordic Naturals or Kids Smart DHA, the key is to make informed, intentional choices, ones that fit your family's routine, your child’s preferences and your doctor’s guidance. Because in the end, it’s not just about oil from a fish liver, it’s about giving your child the best foundation for a healthy, happy life.

Resources for further reading:

1. Harvard Health: The Importance of Omega-3s for Children
2. Cleveland Clinic: Should Your Child Take a Vitamin D Supplement?
3. NIH: Vitamin A Fact Sheet for Consumers