Thorne Phosphatidylserine delivers 100 mg of phosphatidylserine per capsule to support memory, focus and a healthy response to everyday stress. It helps modulate cortisol levels under stress and supports healthy brain cell function. Gluten-free and dairy-free, in a 60-capsule bottle.

Memory, Focus and Stress Balance in Every Capsule

Thorne Phosphatidylserine (formerly Iso-Phos) is made for adults who want targeted support for mental performance and a balanced stress response. Phosphatidylserine is a key phospholipid found in brain cell membranes and plays an important role in cognitive function.

Thorne Phosphatidylserine Key Benefits

• Supports memory and mental focus
• Helps modulate cortisol levels in response to stress
• Supports healthy brain cell membrane function
• Supports mental performance during demanding periods

Clean Formula

• 100 mg phosphatidylserine per capsule
• Gluten-free and dairy-free
• Plant-based hypromellose capsule

FAQs

How much phosphatidylserine is in each capsule?
Each capsule contains 100 mg of phosphatidylserine.

How should I take it?
Take 1 capsule two to three times daily, or as recommended by your healthcare practitioner.

Does it contain soy?
The phosphatidylserine is derived from soy, but the product contains no soy protein. If you have a soy sensitivity, consult your healthcare practitioner before use.

How long does one bottle last?
A 60-capsule bottle lasts 20 to 30 days at 2 to 3 capsules a day.

Is it safe during pregnancy?
If you are pregnant, consult your healthcare practitioner before using this product.