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Algae Oil (Vegan EPA/DHA)

Plant-based omega-3 fatty acids from microalgae, providing EPA and DHA without fish sources

Scientific nameAlgae-Derived Omega-3 Fatty Acids FormulaEPA: C20H30O2, DHA: C22H32O2 Molecular weightEPA: 302.45, DHA: 328.49 g/mol CASEPA: 10417-94-4, DHA: 6217-54-5
85 absorption score
9 safety / 10
40 USD per month
5 documented interactions

Check it against something

Evidence level A

Algae Oil (Vegan EPA/DHA) with:

Compatibility score 82 out of 100
82 out of 100
Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Identical benefits to fish oil

Provides same cardiovascular and brain health benefits as fish oil

Contains identical EPA and DHA molecules as fish oil Evidence A-grade 4-12 weeks

Superior purity and sustainability

Free from ocean contaminants and environmentally sustainable

Grown in controlled environments without ocean pollution exposure Evidence A-grade Immediate purity benefits

Vegan and vegetarian friendly

Plant-based source suitable for all dietary preferences

Derived from microalgae, the original source of omega-3s Evidence A-grade Immediate ethical benefits

No fishy taste or aftertaste

Better tolerance with reduced digestive side effects

Lacks fish proteins and trimethylamine compounds Evidence B-grade Immediate tolerance benefits

Higher DHA concentrations available

Can provide higher DHA ratios than typical fish oil

Specific algae strains can be selected for DHA production Evidence B-grade Enhanced brain benefits

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Every pair we checked

12 combinations scored by the engine
Algae Oil (Vegan EPA/DHA) + CLA (Conjugated Linoleic Acid) High omega-6 intake reduces omega-3 benefits Needs attention 40
Algae Oil (Vegan EPA/DHA) + Caffeine No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Creatine Monohydrate No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Calcium Carbonate No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Whey Protein No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Lactase No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Bovine Collagen No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + DHA No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Turmeric No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Fish Oil (EPA/DHA) No documented interaction either way No known interaction 70
Algae Oil (Vegan EPA/DHA) + Astaxanthin Natural antioxidant often found in algae oils Works better together 78
Algae Oil (Vegan EPA/DHA) + Vitamin D3 Protects algae oil from oxidation Works better together 82

Dosage

With meals
Daily500mg-1g EPA/DHA
Vegan maintenance500mg-1g EPA/DHA daily
Therapeutic1-2g EPA/DHA daily
Pregnancy dha200-300mg DHA daily
Brain support500mg-1g DHA daily

Before you take it

Pregnancyrecommended
VeganYes

When to expect it

First Effects2-4 weeks for inflammation and cardiovascular benefits
Peak Benefits8-16 weeks for sustained health benefits
Deficiency DevelopmentWeeks to months with inadequate intake
Toxicity OnsetVery rare, similar safety profile to fish oil

How to measure it

$100-200
MarkerOmega-3 Index (RBC EPA/DHA percentage)
Optimal8-12% of total fatty acids
Deficient below<4%
FrequencyEvery 6-12 months to verify adequacy

What people actually reported to the FDA

CAERS, 0 reports naming it as the suspect
Named as the suspect 0 reports of 1 that mention it at all

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not
Absorption Very high 85 of 100 · best absorbed form of this compound
Delivered daily 212925 mg
Cost per 100 mg delivered $0.00 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented
+
Vitamin E

Protects algae oil from oxidation

Antioxidant protection preserves omega-3 integrity · level A
+
Astaxanthin

Natural antioxidant often found in algae oils

Enhanced antioxidant protection and anti-inflammatory effects · level B
+
Vitamin D3 Vegan

Complementary health benefits for vegans

Both often deficient in plant-based diets · level B

What not to take with Algae Oil (Vegan EPA/DHA)

2 documented
!
Omega 6 Excess

High omega-6 intake reduces omega-3 benefits

Competition for enzymes and inflammatory balance · major significance
!
Processed Foods

Processed foods interfere with omega-3 metabolism

Trans fats and additives disrupt fatty acid function · moderate significance

Medication interactions

Discuss these with a pharmacist before combining
blood-thinners Moderate

Same bleeding risk as fish oil

What to do: Monitor clotting parameters

immunosuppressants Minor

May enhance immune-modulating effects

What to do: Monitor immune function

Available forms

bioavailability compared
Microalgae Oil (Schizochytrium sp.) 85

Microalgae Oil (Schizochytrium sp.): Vegan source, Superior purity, Sustainable, No fishy taste

Food sources

before you supplement
Algae oil supplements Variable, check product label · 85
Fortified vegan foods Variable fortification levels · 80
Direct algae consumption Impractical for therapeutic doses · 70
Algae-enriched eggs 100-150mg DHA per egg · 85

Too little

deficiency signs
  • Identical to fish oil deficiency symptoms:
  • Cardiovascular disease risk
  • Cognitive decline and brain fog
  • Chronic inflammation
  • Depression and mood disorders
  • Dry skin and hair issues
  • Poor immune function

Too much

toxicity signs
  • Excellent safety profile similar to fish oil:
  • Potential mild digestive upset
  • Very rare allergic reactions to algae
  • No heavy metal contamination risk
  • Generally better tolerated than fish oil

Who benefits most

vegans-vegetarians

Only plant-based source of EPA and DHA omega-3s

500mg-1g EPA/DHA daily
environmentally-conscious

Sustainable alternative to fish oil with lower environmental impact

500mg-1g EPA/DHA daily
fish-allergic-individuals

Safe omega-3 source for those with fish allergies

500mg-1g EPA/DHA daily
pregnant-vegan-women

Essential DHA for fetal brain development in plant-based diets

200-300mg DHA daily
brain-health-focus

Higher DHA concentrations available for cognitive support

500mg-1g DHA daily

Where to buy it

compare forms first

Look for Algae Oil (Vegan EPA/DHA) at 500mg-1g EPA/DHA per serving. The form that matters here is Microalgae Oil (Schizochytrium sp.).

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What else affects it

Beyond other supplements
!
Processed foods

Processed foods interfere with omega-3 metabolism

Trans fats and additives disrupt fatty acid function

How it works

  • Identical molecular structure and mechanisms as fish-derived EPA/DHA
  • Incorporates into cell membranes and produces same bioactive metabolites
  • Provides anti-inflammatory resolvins and protectins
  • Supports brain structure and neurotransmitter function
  • Maintains cardiovascular health through same pathways as fish oil
  • Often higher bioavailability due to superior purity

Key findings

what the evidence supports
  • Bioequivalent to fish oil for health benefits
  • Superior purity without ocean contaminants
  • Environmentally sustainable omega-3 production
  • Essential for vegans and vegetarians needing EPA/DHA

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Algae Oil (Vegan EPA/DHA)?

Documented effects: Identical benefits to fish oil; Superior purity and sustainability; Vegan and vegetarian friendly; No fishy taste or aftertaste. Provides same cardiovascular and brain health benefits as fish oil

How much Algae Oil (Vegan EPA/DHA) should you take per day?

The common daily range is 500mg-1g EPA/DHA. By goal — vegan maintenance: 500mg-1g EPA/DHA daily; therapeutic: 1-2g EPA/DHA daily; pregnancy dha: 200-300mg DHA daily; brain support: 500mg-1g DHA daily.

When is the best time to take Algae Oil (Vegan EPA/DHA)?

With meals. First effects are typically reported within 2-4 weeks for inflammation and cardiovascular benefits.

What are the side effects of Algae Oil (Vegan EPA/DHA)?

At excessive doses: Excellent safety profile similar to fish oil:, Potential mild digestive upset, Very rare allergic reactions to algae, No heavy metal contamination risk, Generally better tolerated than fish oil. Safety rating at normal doses is 9 out of 10.

What should you not take with Algae Oil (Vegan EPA/DHA)?

Separate it from Omega 6 Excess, Processed Foods by two to four hours. High omega-6 intake reduces omega-3 benefits

Does Algae Oil (Vegan EPA/DHA) interact with medications?

Documented interactions with blood-thinners, immunosuppressants. Discuss these with a pharmacist before combining.

How do you know if you need Algae Oil (Vegan EPA/DHA)?

The marker is Omega-3 Index (RBC EPA/DHA percentage), optimal range 8-12% of total fatty acids. Common deficiency signs: Identical to fish oil deficiency symptoms:, Cardiovascular disease risk, Cognitive decline and brain fog, Chronic inflammation.

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