Omega-3
Omega-3 fatty acids are a group of polyunsaturated fatty acids that are crucial for various bodily functions, but cannot be produced by the body itself, making them essential nutrients that must be obtained through diet or supplementation. The three main types are Alpha-Linolenic Acid (ALA), Eicosapentaenoic Acid (EPA), and Docosahexaenoic Acid (DHA). ALA is primarily found in plant oils, while EPA and DHA are abundant in fatty fish and marine algae. These essential fats play a significant role in maintaining cellular structure and function, acting as precursors to signaling molecules called eicosanoids, which are involved in inflammation and immune response. They are particularly concentrated in the brain and retina, supporting cognitive function, memory, and visual health. Omega-3s also contribute to cardiovascular wellness by influencing blood pressure, triglyceride levels, and arterial health. Regular intake of Omega-3s is associated with a reduced risk of chronic diseases, improved mood, and enhanced overall well-being. They support healthy skin, hair, and nails, and may also be beneficial for joint health and supporting the body's natural inflammatory responses. Supplementation is common, especially for individuals with low dietary intake of fatty fish.
Fatty fish (salmon, mackerel, sardines, anchovies, tuna)Flaxseed and flaxseed oilChia seedsWalnutsSoybeans and soybean oilCanola oilAlgae and algal oil (rich in EPA and DHA)Hemp seeds
Cheapest Omega-3 supplements
Discover the most affordable Omega-3 fatty acid supplements, helping you find budget-friendly options to support various health goals from anti-aging and joint health to mood support and immunity.
Best Omega-3 supplements
Explore our top picks for Omega-3 supplements, chosen to help you achieve your health goals, from supporting joint and heart health to boosting mood, immunity, and overall well-being.
Value Omega-3 Supplements
Find the best value Omega-3 supplements to support your comprehensive health goals, from Anti-Aging and Joint Health to Mood and Immunity, with our detailed comparison.
RDA (Men)250 mg
RDA (Women)250 mg
RDI250 mg
Minimum250 mg
Maximum2000 mg
Toxicity Threshold5000 mg
Toxicity EffectIncreased bleeding risk
Impact
Highest effect
Typical dose:1000–4000 mg
The omega-3 fatty acids EPA and DHA are potent anti-inflammatories that help balance the pro-inflammatory effects of omega-6s. They are integral components of cell membranes, particularly in the brain and retina, and are clinically shown to support cognitive health and reduce triglyceride levels.
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Impact
Highest effect
Typical dose:1000–3000 mg
The fatty acids EPA and DHA from sources like fish oil are precursors to signaling molecules called resolvins and protectins, which actively resolve inflammation. A high intake of Omega-3s is strongly correlated with improved outcomes in inflammatory joint conditions.
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Impact
Highest effect
Typical dose:1000–3000 mg
Omega-3 fatty acids, particularly EPA and DHA, help reduce the low-grade chronic inflammation often associated with metabolic dysfunction. They also support healthy cell membrane function, which is crucial for efficient insulin signaling.
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Impact
Highest effect
Typical dose:1000–2000 mg
Omega-3 fatty acids, particularly EPA and DHA, are integral components of brain cell membranes. EPA has demonstrated direct mood-stabilizing effects, likely by reducing inflammatory cytokines that can negatively impact brain function.
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Impact
Highest effect
Typical dose:1000–3000 mg
Omega-3 fatty acids, particularly DHA, are a primary structural component of brain cells and neuronal membranes. Adequate levels are critical for neurotransmitter function, reducing neuroinflammation, and supporting memory and learning. EPA contributes to these effects and also supports mood.
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EPA (Eicosapentaenoic Acid)
EPA is a primary active component of Omega-3 fatty acids, working synergistically for cardiovascular and anti-inflammatory benefits.
DHA
DHA is a primary active component of Omega-3 fatty acids, crucial for brain and eye health, and works in conjunction with other Omega-3s.
Vitamin E
Vitamin E is an antioxidant that can help prevent the oxidation of Omega-3 fatty acids, maintaining their stability and efficacy.
Coenzyme Q-10
CoQ10 and Omega-3s both support cardiovascular health and cellular energy production, potentially enhancing their combined benefits.
Curcumin
Both Omega-3s and Curcumin are recognized for their anti-inflammatory properties, potentially offering enhanced synergistic effects.
Resveratrol
Resveratrol and Omega-3s both support cardiovascular health and offer antioxidant benefits.
Astaxanthin
Astaxanthin is a powerful antioxidant that can protect Omega-3 fatty acids from oxidation and may enhance their anti-inflammatory effects.
Fish Oil
Fish Oil is a primary source of EPA and DHA, making it a direct and potent form of Omega-3 supplementation.
Flax
Flax seeds contain ALA, which is a plant-based Omega-3 fatty acid that the body can convert into EPA and DHA, complementing direct Omega-3 intake.
82 Value 
FH PRO Omega-3 Natural Citrus Flavor
Fairhaven Health
4.8
★★★★★
(124 ratings)
Omega-3: 1004 mg
This Omega-3 supplement offers a good daily dose of essential fatty acids with a pleasant citrus flavor, supporting general wellness and including a minor amount of Vitamin E for oil preservation.
75 Budget 
Omega LDL
Nordic Naturals
4.8
★★★★★
(401 ratings)
Omega-3: 1152 mg
An omega-3 softgel with 1152mg total omega-3s, enhanced with Red Yeast Rice and CoQ10 for comprehensive cardiovascular support.
85 Best 
Omega-3 2400 mg
Nutricost
4.7
★★★★★
(175 ratings)
Omega-3: 2400 mg
A high-potency Omega-3 supplement from Nutricost, offering 2400mg of total Omega-3 fatty acids per serving in softgel form for robust general wellness support.
90 Best 
Omega-3 2100 with Vitamin D Vanilla Flavor
Oceanblue Professional
4.7
★★★★★
(168 ratings)
Omega-3: 2100 mg
An ultra-high-potency omega-3 softgel with Vitamin D3, delivering 2100mg total omega-3s in a vanilla flavor, ideal for maximizing daily intake in a trial-friendly size.
82 Value 
Hemp Oil
Manitoba Harvest
4.7
★★★★★
(73 ratings)
Omega-3: 2000 mg
This hemp oil delivers a well-rounded plant-based blend of Omega-3 and Omega-6, notably including a good dose of GLA, in a convenient liquid form for daily wellness support.
90 Best 
Max High Concentrate Omega-3 Fish Oil 2400 mg Citrus Burst
Coromega
4.8
★★★★★
(360 ratings)
Omega-3: 2400 mg
A highly potent, flavorful liquid Omega-3 squeeze shot, packed with EPA, DHA, Vitamin D3, and Vitamin C for comprehensive, convenient daily health support.
94 Best 
Pure Arctic Cod Liver Oil Natural Strawberry Flavor
ChildLife Essentials
4.7
★★★★★
(8239 ratings)
Omega-3: 2350 mg
A highly concentrated, strawberry-flavored liquid cod liver oil delivering massive doses of DHA and EPA, plus natural vitamins A, D, and E, making it great for comprehensive family health support.
88 Best 
Omega-3 2100 with CoQ10 Natural Orange Flavor
Oceanblue Professional
4.8
★★★★★
(40 ratings)
Omega-3: 2100 mg
A powerful combination of 2100mg Omega-3s and 150mg CoQ10, offering robust support for heart health and cellular energy in a flavored softgel.
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Omega-3 2100 with Vitamin D Vanilla Flavor
Oceanblue Professional
4.7
★★★★★
(84 ratings)
Omega-3: 2100 mg
An ultra-high-potency omega-3 softgel with Vitamin D3, delivering 2100mg total omega-3s in a vanilla flavor, ideal for maximizing daily intake in a long-lasting pack.
70 Value 
Fish Oil 1400 mg
Nature's Bounty
4.7
★★★★★
(461 ratings)
Omega-3: 980 mg
An economical fish oil softgel providing a good EPA dose, suitable for budget-conscious users focused on general Omega-3 support.
98 Best 
Ultimate Omega Lemon
Nordic Naturals
4.9
★★★★★
(3268 ratings)
Omega-3: 2840 mg
An exceptionally high-potency liquid Omega-3 supplement from Nordic Naturals, providing 2840mg total Omega-3s per serving with a pleasant lemon flavor for potent and versatile health support.
95 Best 
Ultimate Omega Lemon
Nordic Naturals
4.9
★★★★★
(5716 ratings)
Omega-3: 2840 mg
An exceptionally high-potency liquid Omega-3 supplement from Nordic Naturals, providing 2840mg of total Omega-3s (EPA/DHA) in a lemon flavor for maximum wellness benefits.
98 Best 
Ultimate Omega Xtra Lemon
Nordic Naturals
4.8
★★★★★
(851 ratings)
Omega-3: 3400 mg
An ultra-high-potency liquid Omega-3 supplement from Nordic Naturals, providing 3400mg total Omega-3s and 25mcg Vitamin D3 in a lemon flavor for maximum, comprehensive health support.
82 Value 
Omega-3 Natural Citrus Flavor
Fairhaven Health
4.8
★★★★★
(1294 ratings)
Omega-3: 1004 mg
This Omega-3 supplement delivers a useful daily dose of fatty acids with a pleasant citrus flavor, supporting general wellness and including a small amount of Vitamin E for oil stability.
88 Value 
Omega-3 '950'
Solgar
4.8
★★★★★
(47286 ratings)
Omega-3: 950 mg
A highly concentrated omega-3 softgel from Solgar, offering 950mg per serving at an excellent value, ideal for consistent daily use.
90 Best 
Max High Concentrate Omega-3 Fish Oil 2400 mg Coconut Bliss
Coromega
4.7
★★★★★
(211 ratings)
Omega-3: 2400 mg
A very potent coconut-flavored liquid Omega-3 squeeze shot, rich in EPA, DHA, Vitamin D3, and Vitamin C, offering a delightful and comprehensive daily health solution.
75 Budget 
Fish Oil 2400 mg
Nature's Bounty
4.8
★★★★★
(1945 ratings)
Omega-3: 1200 mg
This fish oil supplement provides 1200 mg of total Omega-3s per serving in softgel form, suitable for those seeking general Omega-3 support without specific EPA/DHA details.
75 Value 
Omega-3 2100 Natural Orange Flavor
Oceanblue Professional
4.7
★★★★★
(96 ratings)
Omega-3: 2100 mg
A high-potency Omega-3 supplement providing 2100mg of total Omega-3s per serving in orange-flavored softgels, suitable for comprehensive health support.
80 Value 
Omega-3 Delicious Lemon Meringue
Natural Factors SeaRich
4.8
★★★★★
(153 ratings)
Omega-3: 1390 mg
A high-potency, great-tasting liquid fish oil providing ample EPA and DHA, ideal for those seeking an alternative to softgels.
Average$38.12
Median$32.26
Average$0.87
Median$0.81
Average$0.57
Median$0.46
Reference amount: 1000 mg
Docosahexaenoic Acid (DHA) is a primary structural component of the human brain, cerebral cortex, skin, and retina. It is vital for neurodevelopment in infants and maintaining cognitive function in adults. While it can be synthesized from ALA, direct intake is more efficient for achieving optimal levels.
- Highly effective for cognitive function and eye health
- Essential for brain development in infants and children
- Directly utilized by the body without conversion
- Anti-inflammatory properties
- Often sourced from fish, raising sustainability and contaminant concerns (though algae sources exist)
- Can be more expensive than ALA-only sources
Avg$46.81
Med$45.86
Avg$1.12
Med$1.07
Avg$0.23
Med$0.22
Price distribution
Eicosapentaenoic Acid (EPA) is a critical omega-3 fatty acid involved in the synthesis of eicosanoids, signaling molecules that play key roles in inflammation, blood clotting, and other physiological processes. It is widely recognized for its benefits in heart health and mood regulation.
- Strong anti-inflammatory properties
- Significant cardiovascular benefits (lowers triglycerides, supports blood pressure)
- Supports mood and mental health
- Directly utilized by the body without conversion
- Often sourced from fish, raising sustainability and contaminant concerns (though algae sources exist)
- Can be more expensive than ALA-only sources
Avg$46.81
Med$45.86
Avg$1.12
Med$1.07
Avg$0.23
Med$0.22
Price distribution
This group primarily refers to Alpha-Linolenic Acid (ALA), an essential fatty acid found in plant sources like flax, chia, and hemp seeds. ALA can be converted into EPA and DHA in the body, but the conversion rate is typically low and varies significantly between individuals.
- Excellent plant-based source of essential fatty acids
- More affordable than direct EPA/DHA sources
- Supports general health and well-being
- Vegan/vegetarian friendly
- Inefficient conversion to EPA and DHA, limiting direct benefits for specific goals
- Less potent for certain health benefits compared to preformed EPA/DHA
Avg$46.81
Med$45.86
Avg$1.12
Med$1.07
Avg$0.23
Med$0.22
Price distribution
Fish oil is derived from the tissues of oily fish like salmon, mackerel, and sardines. It is a traditional and widely available source of long-chain omega-3 fatty acids, primarily EPA and DHA, often found in a triglyceride form which is highly bioavailable.
- Natural source of bioavailable EPA and DHA
- Widely available and well-researched
- Cost-effective for many users
- Supports a broad range of health benefits
- Potential for 'fishy' aftertaste or burps
- Risk of ocean contaminants (e.g., mercury, PCBs) if not purified
- Sustainability concerns for certain fish species
- Not suitable for vegetarians/vegans
Avg$32.50
Med$30.00
Avg$0.27
Med$0.27
Avg$0.21
Med$0.21
Price distribution
Ethyl ester (EE) forms of EPA and DHA are typically found in pharmaceutical-grade omega-3 supplements due to their high purity and concentration. While stable and allowing for high dosage, their absorption requires hydrolysis by pancreatic lipase, which can make them less efficiently absorbed by some individuals compared to natural triglyceride forms.
- Allows for very high concentration of EPA and DHA
- Excellent purity and stability
- Often used in prescription Omega-3 medications
- Potentially lower or variable bioavailability for some individuals compared to natural or re-esterified triglyceride forms
- Requires fat for optimal absorption
- Can be more expensive
Avg$39.12
Med$39.12
Avg$1.30
Med$1.30
Avg$1.08
Med$1.08
Price distribution
Flax seed oil is cold-pressed from flax seeds and is one of the richest vegetarian sources of ALA. While ALA is an essential omega-3, its conversion into the longer-chain EPA and DHA within the human body is generally inefficient, varying between 0.5% to 10%.
- Excellent plant-based source of ALA
- Vegan/vegetarian friendly
- Contains lignans (fiber-like compounds)
- Affordable and widely available
- Limited and inefficient conversion to EPA/DHA, yielding less direct benefits for certain health goals
- Highly susceptible to oxidation; requires proper storage (refrigeration, dark bottle)
- Less direct impact on brain and heart health compared to preformed EPA/DHA
Avg$44.99
Med$44.99
Avg$1.49
Med$1.49
Avg$1.49
Med$1.49
Price distribution