Doctor's Best. Phosphatidylserine 100mg is a high-quality vitamin that promotes brain function, cognitive health, and mental clarity. Phosphatidylserine is a phospholipid that occurs naturally in cell membranes, particularly in the brain, where it is essential for memory, focus, and nerve cell communication. This supplement improves memory and cognitive ability, particularly in older people, while also reducing the impacts of stress by maintaining healthy cortisol levels.

The formula is based on sunflower lecithin, making it a non-GMO, gluten-free, and vegan choice for improving brain health and mental performance.