THORNE Phosphatidylserine (Formerly Iso-Phos) — Cortisol Support & Brain Function, 60 Capsules

THORNE Phosphatidylserine (Formerly Iso-Phos) is a premium phosphatidylserine isolate designed to support brain function and the body's response to stress. Packaged as 60 capsules, delivering 60 servings, this formula is built for daily use as part of a broader wellness routine.

What it may offer for daily cognitive wellness

Because individual results vary, THORNE presents these benefits as possibilities. This phosphatidylserine isolate is formulated to support several aspects of cognitive wellness that matter in everyday life, from focused tasks to learning moments, while fitting naturally into a busy schedule.

• Supports healthy brain function, a foundational area many people seek for daily tasks and learning.
• May help modulate cortisol levels during stress, contributing to a steadier daily rhythm.
• Supports memory and focus, helping you stay attentive during work, study, or training sessions.
• Third-party certified to verify contents and confirm there are no unsafe levels of contaminants.
• Trusted by athletes and health-care practitioners, with Thorne cited by champions and teams alike.

How this supplement could fit into your routine

In real life, a capsule taken with a meal can be part of a simple daily ritual. The compact bottle travels well for busy days, early mornings, or late-night study sessions—and you can pair it with other wellness habits you already use.

• Take one capsule with a meal in the morning or midday to support a steady cognitive pace.
• Pair with consistent sleep and regular breaks to help align your daily stress response with your schedule.
• Include as part of a hydration-friendly routine during study or work to support focused routines.
• Keep the bottle handy at home, work, or travel for quick access during long days.

Quality you can trust

Thorne is known for quality and transparency. This product is third-party tested to verify label accuracy and to confirm low levels of contaminants. It’s a brand trusted by professional athletes, national teams, and practitioners for guidance.

Note: This product is a dietary supplement and does not replace medical advice. If you have health concerns, consult a healthcare professional before starting any new supplement routine.