Fish Oil

Avoid

Oil

Fish oil, also known as fletan oil, is derived from the tissues of oily fish and is rich in omega-3 fatty acids.

What is Fish Oil?

Fish oil is a fat extracted from fish tissue, often sourced from species like mackerel, tuna, herring, and salmon. It is a rich source of omega-3 fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are beneficial for heart health and reducing inflammation.

Also known as:

Fletan OilOil (Fish)Fletan

Unsure about an ingredient? Scan it instantly.

Try Spoonful

Diet Compatibility

VeganAvoid

Fish oil (also called fietan oil) is the oil dervied from fish.

Learn more →
VegetarianAvoid

Fish oil (fletan oil) is the oil dervied from fish.

Learn more →
Alpha-Gal FriendlySafe

This ingredient is generally considered compatible with a Alphagal diet.

Learn more →
Dairy FreeSafe

This ingredient is generally considered compatible with a Dairy Free diet.

Learn more →
Gluten FreeSafe

This ingredient is generally considered compatible with a Gluten Free diet.

Learn more →
Low FODMAPSafe

This ingredient is generally considered compatible with a Fodmap diet.

Learn more →

Compatibility ratings are general guidelines and may vary by individual. Always consult a healthcare professional for personalized dietary advice.

Why People Avoid Fish Oil

People on a vegan diet avoid fish oil because it is derived from fish, making it an animal product. Additionally, some individuals may avoid it due to allergies to fish or for environmental and ethical reasons concerning fishing practices.

Potential Reactions

  • Fish allergy
  • Digestive upset
  • Fishy aftertaste

This information is for educational purposes only and should not be considered medical advice. Individual reactions can vary. Consult a healthcare professional if you have concerns about specific ingredients.

Spoonful flags ingredients that don't match your diet.

Get the App

Foods That Commonly Contain Fish Oil

Omega-3 supplements
Fortified foods
Fish oil capsules

Browse products that match your diet.

Explore Products

Frequently Asked Questions

Your Personal Ingredient Scanner

Spoonful helps thousands of people with dietary restrictions shop safely. Scan barcodes, read labels, and find safe alternatives — all in one app.

Download on the App StoreGet it on Google Play
Spoonful app scanning a food product

Take the Guesswork Out of Grocery Shopping

Join thousands who use Spoonful to find foods that match their dietary needs.

Download on the App StoreGet it on Google Play