Everything You Need to Know About Phosphatidylserine (PS) Powder

Jun 06, 2026

Phosphatidylserine (PS) is a phospholipid naturally found in the cell membranes of every human cell, with the highest concentrations occurring in the brain's nerve cellsaccounting for approximately 15% of the brain's total phospholipid content. Often referred to as a "preservative for brain cells," it maintains the fluidity of nerve cell membranes, facilitates the release of neurotransmitters (such as acetylcholine and dopamine), and participates in intercellular signaling.

Phosphatidylserine (PS) levels in the body naturally decline with age, a factor contributing to the deterioration of cognitive function in older adults. Commercially available Phosphatidylserine (PS) supplements typically come in powder or capsule form; modern products are almost exclusively derived from soy or sunflower lecithin (early extracts from bovine brains were phased out due to prion risks).

blog-1-1
Phosphatidylserine (PS)

Key Benefits and Scientific Evidence

use

illustrate

Improving mild cognitive impairment/memory in the elderly

Multiple randomized controlled trials (RCTs) and meta-analyses indicate that a daily dose of 300400 mg for 612 weeks leads to modest improvements in memory, attention, and verbal recall in older adults.

Relieve stress / Lower cortisol

Supplementing with Phosphatidylserine (PS) (typically 400600 mg) under conditions of high-intensity mental or physical stress can reduce salivary cortisol levels and improve subjective feelings of stress and mood fluctuations.

Post-exercise recovery / Lowering training-induced cortisol

Some studies on athletes indicate that it can alleviate post-exercise muscle soreness and elevated cortisol levels, but evidence regarding actual improvements in athletic performance is limited.

Attention Support for Children with ADHD

Some trials have used a dosage of 200300 mg/day in combination with Omega-3; this requires medical supervision, and self-administration to children is not recommended.

Important Note: Evidence supporting "brain-boosting" or "anti-brain fog" effects in healthy young people is very limited; one should not harbor unrealistic expectations. Phosphatidylserine (PS) cannot treat Alzheimer's disease or depression.

blog-1-1
Phosphatidylserine (PS)

Recommended Dosage and Administration (PS Powder)

General cognitive support (for middle-aged/older adults or those with memory concerns): 100–300 mg daily, taken in 2–3 divided doses with meals (standard regimen: 100 mg with breakfast and lunch, or 100–300 mg/day spread across three meals).

Stress/cortisol regulation: 200–400 mg/day for short-term use, also taken in divided doses with meals.

Exercise recovery: Studies have utilized 300–600 mg/day, typically for short-term use.

Administration tips:

Phosphatidylserine (PS) is a fat-soluble molecule; it must be taken with a meal containing fat (e.g., breakfast with eggs or milk) for optimal absorption, as absorption is poor on an empty stomach.

The powder can be measured using a spoon or a precision scale (note that commercial Phosphatidylserine (PS) powders usually list the active content—such as 20% or 50%—so you must calculate the dosage based on the stated purity; see the "How to Choose" section for details).

It generally takes 6–12 weeks of continuous use to notice cognitive changes, though some individuals may experience stress relief within 2–4 weeks.

Side Effects and Precautions

Phosphatidylserine (PS) is generally safe and well-tolerated at recommended dosages (≤400 mg/day), though mild side effects may occasionally occur:

Gastrointestinal discomfort (bloating, nausea, loose stools)—most common when taken on an empty stomach or at higher doses.

Insomnia or vivid dreams—may occur with high doses taken in the evening.

Rare: Headache, skin rash.

Exercise caution or avoid use in the following situations:

Taking anticoagulants/antiplatelet drugs (e.g., warfarin, aspirin, clopidogrel): Phosphatidylserine (PS) may theoretically affect platelet aggregation; consult a doctor regarding concurrent use, and discontinue use 2 weeks prior to surgery.

Pregnancy, breastfeeding, infants/young children: Insufficient safety data; self-supplementation is not recommended.

Soy allergy: Choose sunflower-derived Phosphatidylserine (PS) and check the label.

Severe liver or kidney disease, epilepsy, bipolar disorder: Consult a specialist first.

blog-1-1
Phosphatidylserine (PS)

How to choose Phosphatidylserine (PS) powder? (Crucial!)

This is the most common pitfall—Phosphatidylserine (PS) raw powder is usually not 100% active ingredient:

Check the purity label: Common market specifications for Phosphatidylserine (PS) powder are 20% (PS20), 50% (PS50), or 60%; the remainder consists of carriers (such as maltodextrin).

Example: If you buy 50% Phosphatidylserine (PS) powder and want to consume 100mg of phosphatidylserine, you need to weigh out 200mg of the powder.

Prioritize plant-based sources: Look for "Soy-derived" or "Sunflower-derived" products and avoid older products labeled "Bovine Cortex" (derived from bovine brain).

Third-party testing: Choose brands that provide test reports for heavy metals, microorganisms, and residual solvents.

Storage: Phosphatidylserine (PS) is sensitive to light and heat; storing it in a sealed, light-proof container in the refrigerator helps maintain stability. It is recommended to use the product promptly after opening.

Natural Food Sources

Foods naturally containing Phosphatidylserine (PS) include beef liver, chicken liver, sardines, white beans, and egg yolks. However, the content is very low (only about 10–50mg of PS per 100g), making it difficult to achieve supplement-level dosages through diet alone.

Summary

Phosphatidylserine (PS) powder is a well-researched brain health supplement with scientific support for addressing mild memory decline and stress regulation in middle-aged and older adults; however, it is not a "smart drug." The recommended dosage is 100–300mg/day (based on active ingredient content), taken in divided doses with fat-containing meals. Opt for plant-based sources and carefully check the purity label. Use is not recommended for pregnant women, children, or individuals taking anticoagulants without professional guidance. If you have underlying medical conditions or are currently taking medication, consult a doctor first.

Contact our team at info@newgoldherb.com or visit newgoldherb.com to explore how our Phosphatidylserine (PS)​​ supplier services can enhance your product portfolio and accelerate market success.

Related Industry Knowledge
    • wmkc