Question 1

How does phosphatidylserine work in the brain?

Accepted Answer

Phosphatidylserine is a phospholipid essential for maintaining neuronal membrane integrity and fluidity. It supports neurotransmitter release and receptor function, facilitating cell-to-cell communication. By keeping brain cells permeable and regulating neuronal excitability, it helps maintain cognitive function and memory. This mechanism underlies its use for age-related cognitive decline (Evidence Level C).

Question 2

Can I take phosphatidylserine with blood thinners?

Accepted Answer

You should avoid taking phosphatidylserine if you are on anticoagulants or antiplatelet medications. Because phosphatidylserine may have mild blood-thinning properties, combining it with prescription blood thinners like warfarin can increase the risk of bleeding and bruising. Always consult a healthcare provider before combining supplements with prescription medications.

Question 3

What is the recommended dosage for phosphatidylserine?

Accepted Answer

The standard adult dosage for phosphatidylserine is typically 100-300 mg daily. For cognitive support or age-related memory concerns, doses of 300 mg per day are often divided into smaller amounts. Athletes may use similar dosages for cortisol management. It is best taken with meals to enhance absorption and minimize potential gastrointestinal side effects.

Question 4

Is phosphatidylserine safe during pregnancy?

Accepted Answer

Phosphatidylserine is considered unsafe during pregnancy and breastfeeding. There is insufficient reliable evidence regarding its safety for expecting mothers or fetal development. Because most commercial phosphatidylserine is derived from soy, there may also be concerns regarding soy sensitivity. Pregnant women should avoid this supplement unless specifically directed by a qualified healthcare professional.

Question 5

Does phosphatidylserine help lower cortisol levels?

Accepted Answer

Preliminary research suggests phosphatidylserine may help blunt the cortisol response to physical stress, making it popular among athletes for recovery. It appears to modulate the hypothalamic-pituitary-adrenal (HPA) axis, potentially reducing exercise-induced stress hormones. However, evidence is limited (Evidence Level C), and results vary based on exercise intensity and individual stress levels.

Question 6

What are the side effects of taking phosphatidylserine?

Accepted Answer

Phosphatidylserine is generally well-tolerated, but mild side effects can occur. These typically include gastrointestinal upset, such as nausea or stomach gas, particularly when taken on an empty stomach. Some users report insomnia or headaches, especially at higher doses. Most side effects are transient and resolve by taking the supplement with food.

Phosphatidylserine

Sources & Citations

Schizandra Berry