What are the benefits of taking Omega-3 supplements?

Omega-3 supplements, particularly EPA and DHA, support heart health by reducing triglycerides, may improve brain function and mood, and help reduce inflammation in conditions like arthritis. They are also essential for prenatal development and may support joint and immune health.

How much Omega-3 should I take daily?

For general health, 250–500 mg of combined EPA and DHA per day is recommended, but higher doses (1,000–4,000 mg) may be needed for specific conditions like high triglycerides. Always consult a healthcare provider for personalized dosing, especially if you have underlying health issues.

Can Omega-3 cause any side effects?

Common side effects include mild digestive issues like burping or diarrhea, especially at high doses. Omega-3s may also thin the blood, so consult a doctor if you take blood thinners or have a bleeding disorder. High doses should be monitored by a healthcare professional.

Is fish oil or plant-based Omega-3 better?

Fish oil provides EPA and DHA directly, which are more readily used by the body, while plant-based sources (like flaxseed) contain ALA, which the body must convert to EPA/DHA (less efficient). Vegans can opt for algae-based Omega-3 for direct DHA/EPA.

Can Omega-3 help with joint pain?

Yes, Omega-3s have anti-inflammatory properties that may reduce joint stiffness and pain, particularly in rheumatoid arthritis. Studies suggest doses of 2,000–3,000 mg daily may be beneficial, but combine with other treatments for best results.

Does Omega-3 interact with medications?

Omega-3s may interact with blood thinners (like warfarin) by increasing bleeding risk and could slightly lower blood pressure. If you take these medications, consult your doctor before starting high-dose Omega-3 supplements to avoid complications.

Supplement guide Fatty Acids

Omega-3

Omega-3 is an essential fatty acid that supports heart health, brain function, and may help reduce inflammation. It is commonly used to promote joint health and immune support.

At a glance

Snapshot

Primary goal: Heart & brain support
Dosage range: 250-2000 mg daily
Best time to take: With meals
Time to effect: 2-4 weeks
Common stacks: Vitamin D, CoQ10, Turmeric
Intake notes: Take with food for better absorption

Ranked picks

Top 3 Best Omega-3 Supplements

#1 NootroScore9.0

NOW Foods

NOW Foods Supplements, Omega-3 180 EPA / 120 DHA, Molecularly Distilled, Cardiovascular Support*, 200 Softgels

SoftgelMolecularly DistilledCardiovascular Support

Quantity: 200 count
Potency: 180 EPA / 120 DHA

$12.29$0.06/count

View product

#2 NootroScore8.9

Nature Made

Nature Made Fish Oil Omega 3 Supplements, 1200 mg Softgels, Omega 3 Fish Oil for Healthy Heart Support, 150 Softgels, 75 Day Supply

SoftgelFish OilOmega 3

Quantity: 150 count
Potency: 1200 mg

$13.03$0.09/count

View product

#3 NootroScore8.8

Nature's Bounty

Nature's Bounty Fish Oil Omega 3 Supplements - Supports Heart Health, 1200 Mg Fish Oil, Omega-3, 200 Softgels (Pack of 1)

SoftgelFish OilOmega-3

Quantity: 200 count
Potency: 1200 Mg

$14.17$0.07/count

View product

Top 10 Omega-3 Supplements

NOW Foods

NOW Foods Supplements, Omega-3 180 EPA / 120 DHA, Molecularly Distilled, Cardiovascular Support*, 200 Softgels

SoftgelMolecularly DistilledCardiovascular Support

Quantity: 200 count
Potency: 180 EPA / 120 DHA
NootroScore: 9.0
Price: $12.29$0.06/count

Buy

Nature Made

Nature Made Fish Oil Omega 3 Supplements, 1200 mg Softgels, Omega 3 Fish Oil for Healthy Heart Support, 150 Softgels, 75 Day Supply

SoftgelFish OilOmega 3

Quantity: 150 count
Potency: 1200 mg
NootroScore: 8.9
Price: $13.03$0.09/count

Buy

Nature's Bounty

Nature's Bounty Fish Oil Omega 3 Supplements - Supports Heart Health, 1200 Mg Fish Oil, Omega-3, 200 Softgels (Pack of 1)

SoftgelFish OilOmega-3

Quantity: 200 count
Potency: 1200 Mg
NootroScore: 8.8
Price: $14.17$0.07/count

Buy

Nature Made

Nature Made Burp Less Fish Oil Omega 3 Supplements, 1000mg Softgels, Omega 3 Fish Oil Supplements for Healthy Heart Support, 150 Softgels, 75 Day Supply

SoftgelBurp LessHealthy Heart Support

Quantity: 150 count
Potency: 1000mg
NootroScore: 8.6
Price: $15.99$0.11/count

Buy

Nature Made

Nature Made Fish Oil Omega 3 Supplements, 1000mg Softgels, Omega 3 Fish Oil for Healthy Heart Support, 250 Softgels, 125 Day Supply

Softgel

Quantity: 250 count
Potency: 1000mg
NootroScore: 8.0
Price: $22.49$0.09/count

Buy

MegaRed

MegaRed - Omega-3 Krill Oil 350mg Softgels (130 Count in A Bottle), EPA & DHA Omega-3 Fatty Acids with No Fishy Aftertaste Unlike Fish Oil, Contains Antioxidant Astaxanthin

SoftgelEPA & DHA Omega-3 Fatty AcidsNo Fishy Aftertaste

Quantity: 130 count
Potency: 350mg
NootroScore: 7.9
Price: $23.99$0.18/count

Buy

Sports Research

Sports Research Triple Strength Omega 3 Fish Oil - Burpless Fish Oil Supplement w/EPA & DHA Fatty Acids from Single-Source Wild Alaskan Pollock - 1250 mg, 90 ct

SoftgelTriple StrengthBurpless

Quantity: 90 count
Potency: 1250 mg
NootroScore: 7.6
Price: $27.95$0.31/count

Buy

Noor Vitamins

Noor Vitamins Halal Fish Oil, Halal Vitamins, Ultra Omega 3 Wild Peruvian Fish (800 mg EPA & 400 mg DHA) Heart, Brain & Joint Support, Non-GMO and Gluten Free (120 Count)

Quantity: 120 Count (Pack of 1)
Potency: N/A
NootroScore: 7.3
Price: $31.04$0.26/count

Buy

Sports Research

Sports Research Antarctic Krill Oil Omega 3 Softgels 1000mg (Double Strength) with Phospholipids, Choline & Astaxanthin - Sustainably Sourced, Non-GMO Verified & Gluten Free - 60 Capsules

SoftgelSustainably SourcedNon-GMO Verified

Quantity: 60 count
Potency: 1000mg
NootroScore: 7.3
Price: $30.95$0.52/count

Buy

#10

Nordic Naturals

Nordic Naturals Omega-3, Lemon Flavor - 180 Soft Gels - 690 mg Omega-3 - Fish Oil - EPA & DHA - Immune Support, Brain & Heart Health, Optimal Wellness - Non-GMO - 90 Servings

SoftgelLemon FlavorFish Oil

Quantity: 180 count
Potency: 690 mg
NootroScore: 7.0
Price: $33.90$0.19/count

Buy

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Use and selection

Buying Guide

Everything you need to know to make an informed decision about Omega-3

Why It Matters

Omega-3 fatty acids are essential nutrients that the body cannot produce on its own. They play a critical role in reducing inflammation, supporting cardiovascular health, and maintaining optimal brain function. Regular supplementation can help bridge dietary gaps, especially for those who don't consume enough fatty fish or plant-based sources.

How Omega-3 Helps You

Heart Health

Omega-3 fatty acids help reduce triglycerides, lower blood pressure, and prevent plaque buildup in arteries, supporting overall cardiovascular function.

Brain Function

Omega-3s, particularly DHA, are vital for brain structure and function, enhancing memory, focus, and cognitive performance by supporting neuron health.

Joint Health

Omega-3s reduce inflammation in joints, easing stiffness and discomfort while improving mobility, especially in conditions like arthritis.

Anti-inflammatory

Omega-3s lower inflammatory markers in the body, helping manage chronic inflammation linked to various health conditions.

Frequently Asked Questions

Common questions about Omega-3 answered by our experts

What are the benefits of taking Omega-3 supplements?: Omega-3 supplements, particularly EPA and DHA, support heart health by reducing triglycerides, may improve brain function and mood, and help reduce inflammation in conditions like arthritis. They are also essential for prenatal development and may support joint and immune health.
How much Omega-3 should I take daily?: For general health, 250–500 mg of combined EPA and DHA per day is recommended, but higher doses (1,000–4,000 mg) may be needed for specific conditions like high triglycerides. Always consult a healthcare provider for personalized dosing, especially if you have underlying health issues.
Can Omega-3 cause any side effects?: Common side effects include mild digestive issues like burping or diarrhea, especially at high doses. Omega-3s may also thin the blood, so consult a doctor if you take blood thinners or have a bleeding disorder. High doses should be monitored by a healthcare professional.
Is fish oil or plant-based Omega-3 better?: Fish oil provides EPA and DHA directly, which are more readily used by the body, while plant-based sources (like flaxseed) contain ALA, which the body must convert to EPA/DHA (less efficient). Vegans can opt for algae-based Omega-3 for direct DHA/EPA.
Can Omega-3 help with joint pain?: Yes, Omega-3s have anti-inflammatory properties that may reduce joint stiffness and pain, particularly in rheumatoid arthritis. Studies suggest doses of 2,000–3,000 mg daily may be beneficial, but combine with other treatments for best results.
Does Omega-3 interact with medications?: Omega-3s may interact with blood thinners (like warfarin) by increasing bleeding risk and could slightly lower blood pressure. If you take these medications, consult your doctor before starting high-dose Omega-3 supplements to avoid complications.