Does Phosphatidylserine interact with Omega-3 Fish Oil?

Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Take together· moderate evidence

Brain-membrane pairing.

Phosphatidylserine and the omega-3 DHA are both core structural fats in neuronal membranes, and a meaningful share of supplemental phosphatidylserine is bound to DHA, so they naturally complement each other for memory, mood, and stress resilience.

What to do

A sound combination for cognition and mood. Take them together with a meal that contains fat to aid absorption; common doses are around 100 mg of phosphatidylserine and a fish or algae oil supplying 500 mg or more of combined EPA and DHA.

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Phosphatidylserine
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Omega-3 Fish Oil
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Common questions

Can I take Phosphatidylserine and Omega-3 Fish Oil together?
Take together. A sound combination for cognition and mood. Take them together with a meal that contains fat to aid absorption; common doses are around 100 mg of phosphatidylserine and a fish or algae oil supplying 500 mg or more of combined EPA and DHA.
Why do Phosphatidylserine and Omega-3 Fish Oil interact?
Phosphatidylserine and the omega-3 DHA are both core structural fats in neuronal membranes, and a meaningful share of supplemental phosphatidylserine is bound to DHA, so they naturally complement each other for memory, mood, and stress resilience.

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Educational use only, not medical advice. Interaction risk depends on dose, your health, and any medications. Always consult a qualified clinician, especially if you take prescription drugs or are pregnant or nursing.