Thorne Research Phosphatidylserine (Formerly Iso-Phos)

Thorne Research Phosphatidylserine (Formerly Iso-Phos)

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Selection: 60 Capsules
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  • Thorne Research Phosphatidylserine (Formerly Iso-Phos) contains phosphatidylserine (PS), the primary phospholipid in brain cell membranes.
  • PS improves cell communication to support memory and focus and helps regulate cortisol during stress.
  • Promotes healthy brain function, supports memory and focus, and modulates cortisol during stress*

Suggested Use: 

Take 1 capsule two to three times daily or as recommended by your health professional.

Supplement Facts

Serving Size: One Capsules

One Capsule Contains: ... %DV

Phosphatidylserine Isolate ... 100 mg ... *

*Daily Value (DV) not established.

Other Ingredients:

Hypromellose (derived from cellulose) capsule, microcrystalline cellulose, silicon dioxide, leucine.

Contains ingredient derived from soy.

Allergy Warning

This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

Phosphatidylserine contains an ingredient derived from soy. Phosphatidylserine contains no soy protein. There are no other soy-based ingredients in Phosphatidylserine.


If pregnant, consult your health professional before using this product.


There are no known adverse interactions or contraindications at publication date.

* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.

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