Best Flax Seed Oil Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 27, 2026

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Flax seed oil supplements are derived from the seeds of the flax plant, which is known for its high omega-3 fatty acid content. These supplements are a popular choice for those looking to boost their intake of essential fatty acids, which can help support heart health, brain function, and overall wellness. Flax seed oil supplements are available in a variety of forms, including capsules, softgels, and liquid oils, and can be found at most health food stores and online retailers. When choosing a flax seed oil supplement, it is important to look for a high-quality product that is free from additives and contaminants.

At a Glance: Our Top Picks

Nature Made Flaxseed Oil 1400mg Softgels Cover #TOP 1
Nature Made Flaxseed Oil 1400mg Softgels
ftb score rating icon 9.9
Nature Made Flaxseed Oil 1000mg Softgels Cover #TOP 2
Nature Made Flaxseed Oil 1000mg Softgels
ftb score rating icon 9.8
Barlean's Organic Lignan Flaxseed Oil Liquid Supplement Cover #TOP 3
Barlean's Organic Lignan Flaxseed Oil Liquid Supplement
ftb score rating icon 9.6

Top 10 Flax Seed Oil Supplements

#TOP 1

Nature Made Flaxseed Oil 1400mg Softgels

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Nature Made Flaxseed Oil 1400mg Softgels Cover
Nature Made Extra Strength Flaxseed Oil 1400 mg, Fish Free Omega 3 Supplement, Dietary Supplement for Heart Health Support, 100 Softgels, 100 Day Supply

Nature Made Flaxseed Oil 1400mg Softgels Extra Strength is a dietary supplement that helps support a healthy heart. This gluten-free Flaxseed oil supplement contains 700 mg of Omega-3 alpha-linolenic acid (ALA) and other essential fatty acids. It is made with organic Flaxseed oil, which is perfect for anyone who wants to explore the benefits of Omega-3 fatty acids in a fish-free format. Adults can take one Flaxseed oil softgel daily with water and a meal. USP has tested and verified the ingredients, potency, and manufacturing process.

What We Like
High quality ingredients
No fishy aftertaste
Easy to digest
Supports heart and joint health
Great value for price
What We Don't Like
Large capsule size
#TOP 2

Nature Made Flaxseed Oil 1000mg Softgels

Nature Made Flaxseed Oil 1000mg Softgels Cover
Nature Made Flaxseed Oil 1000 mg, Fish Free Omega 3 Supplement, Dietary Supplement for Heart Health Support, 100 Softgels, 100 Day Supply

Nature Made Flaxseed Oil 1000mg Softgels are gluten-free and rich in alpha-linolenic acid (ALA) Omega-3, which is beneficial to heart health. The supplement contains 500mg of Omega-3 per serving and is made from organic Flaxseed oil with no artificial colors or flavors. Adults can take one softgel two to three times daily with water and a meal. As the #1 pharmacist recommended Vitamin & Supplement Brand*, Nature Made Flaxseed Oil 1000mg Softgels are sourced from high-quality ingredients and USP Verified.

What We Like
Easy to swallow capsules
No fishy aftertaste
Supports joint and cholesterol health
Suitable for seafood allergies
Good value for price
What We Don't Like
Uncertain effectiveness without blood test
Slight smell when opening bottle
#TOP 3

Barlean's Organic Lignan Flaxseed Oil Liquid Supplement

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Barlean's Organic Lignan Flaxseed Oil Liquid Supplement Cover
Barlean's Organic Lignan Omega 3 Flaxseed Oil Liquid Supplement for Men and Women, Cold Press Flax Seeds, 7230mg ALA Fatty Acid, Vegan and Gluten Free, 16 oz

Barlean's Flaxseed Oil Supplement is a pure, organic, and unrefined liquid supplement made from cold pressed flax seeds. It offers a potent balance of Omega-3, 6, and 9 essential fatty acids, which are beneficial for heart health. The oil is made from high quality, organic, non-GMO flax seeds, making it a fresh and high quality choice. It contains lignans, powerful plant polyphenols that support heart and circulatory health, as well as healthy joints. The oil is unfiltered, so it contains particles of the whole seed, giving it a more robust flax flavor. Barlean's has been a trusted name in premium dietary supplements since 1989, and this product is proudly made in the USA.

What We Like
Great taste and flavor
High quality product
Rich in Omega-3
Reasonable price
Health benefits
What We Don't Like
Occasional rancidity issues
Strong flavor for some
#TOP 4

Nature's Bounty Flaxseed and Omega 3, Dietary Supplement, Supports Cardiovascular Health, 1200mg, Softgels, 125 ct

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Nature's Bounty Flaxseed and Omega 3, Dietary Supplement, Supports Cardiovascular Health, 1200mg, Softgels, 125 ct Cover
Nature's Bounty Flaxseed and Omega 3, Dietary Supplement, Supports Cardiovascular Health, 1200mg, Softgels, 125 ct

Nature's Bounty Flaxseed and Omega 3, Dietary Supplement, Supports Cardiovascular Health, 1200mg, Softgels, 125 ct is a great product for those looking to promote heart and cardiovascular health. It contains 540mg of Omega-3 and is a natural cold pressed source of heart healthy nutrients. Customers have been taking this product for years and have seen positive results, such as maintaining a good level of hair and slightly lower blood pressure. The capsules are large but easy to swallow.

What We Like
Non-fish omega-3 source
Easy to swallow capsules
Relieves cramps and dry eyes
Reduces inflammation
No fishy aftertaste
What We Don't Like
Contains gelatin capsule
Slightly higher price
#TOP 5

Nature's Way Organic Flax Oil Super Lignan

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Nature's Way Organic Flax Oil Super Lignan Cover
Nature's Way Organic Flax Oil Super Lignan, Cold-Pressed, and Unrefined, 24 Fl Oz

Nature's Way Organic Flax Oil Super Lignan, also known as Nature's Way Flax Oil, is a certified organic flax seed oil supplement. It is gluten-free and does not contain any salt, yeast-derived ingredients, wheat, dairy products, or artificial colors. During the summer months, the product may arrive warm, but Amazon ensures that it is stored and shipped according to the manufacturer's recommendations for optimal freshness. The FreshGuard blend and light protective bottles with nitrogen-flushed packaging help maintain the freshness of the oil. With Nature's Way Flax Oil, you can enjoy the convenience of a high-quality organic supplement that supports your overall well-being.

What We Like
High product quality
Affordable price
Good flaxseed taste
Contains healthful lignans
Supports overall health
What We Don't Like
Includes sunflower oil
Some sediment in bottle
#TOP 6

NOW Flax Seed Oil Liquid

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NOW Flax Seed Oil Liquid Cover
NOW Foods Supplements, Certified Organic Flax Seed Oil Liquid, Cold-Pressed and Unrefined, 12-Ounce

NOW Flax Seed Oil is a certified organic, cold-pressed and unrefined flax seed oil. It is rich in vegetarian omega-3 and essential fatty acids. This versatile oil can be added to salad dressings, sauces, peanut butter, yogurt, and protein shakes. It can also be used as a healthier alternative to butter on rice, potatoes, or toast. The oil is packaged in a convenient 12-ounce bottle and should be refrigerated to retain freshness. With certifications including organic, non-GMO, and vegan/vegetarian, you can trust the quality of this product. NOW Flax Seed Oil is made in the USA by a family owned and operated company with over 50 years of experience.

What We Like
Good Omega 3 source
No weird flavor
Helps with hair moisture
Flows well in cold weather
High lignan content
What We Don't Like
Pungent taste
Possible issues for some pets
#TOP 7

Barlean's Seriously Delicious Strawberry Banana Smoothie

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1 Pound (Pack of 1)
Barlean's Seriously Delicious Strawberry Banana Smoothie Cover
Barlean's Vegan Omega 3 6 9 Flaxseed Oil Liquid Supplement, Strawberry Banana Smoothie, Flax Seeds Oil with 2,968 mg ALA Fatty Acid, Non-GMO and Gluten Free, 16 oz

Barlean's Seriously Delicious Strawberry Banana Smoothie is a vegan, all-natural, and gluten-free Omega-3 supplement. The special emulsified formula ensures 3X better absorption of 2,968 mg of ALA Omega-3s per serving. The delicious plant-based supplement is formulated to avoid oily after-burps, making it a great addition to smoothies, yogurt, oatmeal, and more. Suitable for adults and children aged 4 and up.

What We Like
Great taste and flavor
No fishy aftertaste
Easy on the stomach
Vegan and family-friendly
Versatile for smoothies
What We Don't Like
Slight fish aftertaste (rare)
#TOP 8

Barlean's Organic Flaxseed Oil

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8 Fl Oz (Pack of 1)
Barlean's Organic Flaxseed Oil Cover
Barlean's Organic Flaxseed Oil Liquid from Fresh Cold Pressed Flax Seeds, 7,640mg ALA Omega 3 Fatty Acid Supplement for Skin and Hair Care, Vegan & Gluten Free, 8 oz

Barlean's Flax Oil is a pure, organic, and unrefined supplement made from high-quality, organic, non-GMO flax seeds. It is cold-pressed without the use of heat or solvents, preserving its nutritional value and mild nutty flavor. This vegan and gluten-free oil is rich in Omegas 3, 6, and 9, which support a healthy heart and joints, and nourish your hair, skin, nails, and eyes. Its mild taste and texture make it easy and pleasant to consume, either right off the spoon or mixed into salad dressings, yogurt, oatmeal, or smoothies. Brought to you by a family-owned and operated brand, Barlean's Flax Oil is locally grown in the USA and Canada, offering a fresh and high-quality supplement you can trust.

What We Like
Great taste and mild flavor
High quality, organic, cold-pressed
Versatile for food and griddle seasoning
Easy to consume packaging
Good value for price
What We Don't Like
Slightly bitter when heated
Somewhat expensive for quantity
#TOP 9

NOW Flax Oil 1000mg Softgels

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NOW Flax Oil 1000mg Softgels Cover
NOW Foods Supplements, Flax Oil 1000 mg with Essential Omega-3s, Cold Pressed, Hexane Free, Vegan Formula, 120 Veg Softgels

NOW Flax Oil Softgels are a vegan formula that provides essential Omega-3s in every serving. The oil is cold-pressed and hexane-free, ensuring the preservation of its nutrients. This supplement is designed to support cardiovascular health. With GMP Quality Assured certification, every aspect of the manufacturing process has been examined, including laboratory/testing methods for stability, potency, and product formulation. NOW Flax Oil Softgels are packaged in the USA by a family-owned and operated company since 1968. During the summer months, the products may arrive warm, but Amazon stores and ships them according to the manufacturer's recommendations.

What We Like
High Omega-3 content
No taste or smell
Easy to swallow gelcaps
Supports cholesterol balance
Moisturizes skin
What We Don't Like
Potential stomach issues
Capsule size quite large
#TOP 10

Horbaach Flaxseed Oil Softgels

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Horbaach Flaxseed Oil Softgels Cover
Horbäach Flaxseed Oil Softgel Capsules 3000mg | 300 Count | High Potency | with Omega 3 6 9 | Non-GMO, Gluten Free | Cold Pressed Flax Seed

Horbaach Flaxseed Oil Softgels are an excellent source of Omega 3-6-9 fatty acids that promote overall health and wellness. These softgels are organic and gluten-free, providing 3,000 mg of cold-pressed Flaxseed Oil per serving. The formula is expertly crafted to ensure purity and potency, and the product is naturally free of gluten, wheat, yeast, lactose, artificial flavor, artificial color, and non-GMO. The quick-release softgels are easy to take, making them a convenient choice for anyone looking to improve their health and well-being.

What We Like
Good taste and no aftertaste
Effective for dry eyes
Easy to swallow
High product quality
Affordable price
What We Don't Like
Large capsule size
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are the benefits of flaxseed oil capsules?

Flaxseed oil capsules offer several benefits. They can help reduce cholesterol and blood sugar levels, treat digestive conditions, and even have potential anti-inflammatory properties. Additionally, flaxseed oil is rich in phenolic compounds, which may offer protection against certain cancers. It also contains minerals and fiber that can improve gastrointestinal health and prevent constipation.

2. Is it OK to take flaxseed oil everyday?

Taking flaxseed oil capsules daily is generally considered safe for most adults. A typical dosage of 2 grams per day has been used safely for up to 6 months. However, higher doses of up to 24 grams per day may cause side effects like loose stools and diarrhea. It's important to start with a small amount and gradually increase it to allow your body to adjust to the supplement.

3. What does flaxseed oil supplements do for females?

Flaxseed oil supplements offer several benefits for females. The phenolic compounds in flaxseed oil can help protect against various cancers, while proteins can reduce the risk of heart disease. The presence of minerals like calcium, magnesium, and phosphorus, as well as fiber, can improve gastrointestinal health and prevent constipation.

4. When should I take flaxseed oil pills?

To get the most out of flaxseed oil capsules, it is recommended to take them in the morning, before breakfast. If you are new to taking flaxseed oil, start with a small amount and gradually increase it as your body gets used to the supplement.

5. Who should not take flaxseed oil capsules?

Flaxseed oil capsules may not be suitable for individuals with certain conditions, including bleeding disorders, bowel obstruction, diabetes, diverticulitis, inflammatory bowel disease, low blood pressure, and hypoglycemia. If you have any of these conditions, it's best to consult with your healthcare provider before taking flaxseed oil capsules.

6. Does flaxseed oil increase estrogen?

Contrary to popular belief, flaxseed oil does not significantly increase estrogen levels. In fact, it may slightly decrease estrogen levels. Flaxseed oil contains phytoestrogens, such as lignans, which can bind to estrogen receptors and potentially have a mild estrogen-lowering effect.

7. What are the side effects of flaxseed in females?

While flaxseed offers many health benefits, it can also have side effects in some individuals. These may include bloating, gas, constipation, stomach aches, diarrhea, intestinal obstruction, or allergies. Pregnant women should avoid flaxseed during pregnancy or breastfeeding because it can mimic the effects of estrogen on the body.

8. What are the side effects of flaxseed oil capsules?

While flaxseed oil capsules are generally safe, some individuals may experience allergic reactions, such as itching, swelling, redness, or hives. Vomiting and nausea can also be signs of an allergy. If you have a severe allergic reaction that causes your throat to tighten or difficulty breathing, seek immediate medical attention.

Editor's Notes

During our flax seed oil supplement research, we found 24 flax seed oil supplement products and shortlisted 10 quality products. We collected and analyzed 224,447 customer reviews through our big data system to write the flax seed oil supplements list. We found that most customers choose flax seed oil supplements with an average price of $18.69.

The flax seed oil supplements are available for purchase. We have researched hundreds of brands and picked the top brands of flax seed oil supplements, including Nature Made, Barlean's, Nature's Bounty, Nature's Way, NOW Foods. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.

Flax Seed Oil Supplements Comparison Table

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#TOP7
#TOP8
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#TOP10
Brand Nature Made Nature Made Barlean's Nature's Bounty Nature's Way NOW Foods Barlean's Barlean's NOW Foods Horbäach
Item Form Softgel Softgel Oil Softgel Liquid,Oil Syrup Cream Liquid Softgel Softgel
Item Package Quantity 1 1 - 1 - 1 - 1 1 1
Package Information Bottle Bottle - Bottle - Bottle - Bottle Bottle Bottle
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.1
Where to Buy