CN
High purity Phosphatidylserine 51446-62-9 Manufacturer
Time：2026-11-02High-purity Phosphatidylserine (≥90% HPLC) from Lixing is a soy-free phospholipid powder for adults seeking memory support, mental clarity, and stress resilience without allergen-heavy fillers.
Key Selling Points
≥90% purity verified by HPLC – Provides a consistent dosing standard per batch, so formulators and users get predictable cognitive benefits without excess inactive lipids.Non-GMO sunflower-derived source – Eliminates soy allergens and phytoestrogen concerns; suits hypoallergenic dietary requirements and vegan formulations.
Heavy metals limited to ≤2 ppm Pb, ≤1 ppm As, ≤1 ppm Cd, ≤0.1 ppm Hg – Tested via ICP-MS per batch; supports regulatory compliance in the EU, US, and Asia.
Fine powder (≥90% through 80 mesh) with ≤3% moisture – Enables clean flowability for tablet compression, capsule filling, and beverage powder blends without overusing excipients.
60-day accelerated stability at 40°C/75% RH – Retains over 95% of PS content; confirms practical shelf-life claims of 24 months.
Detailed Specifications
| Parameter | Value | Notes |
|---|---|---|
| Purity (HPLC) | ≥90% | Each batch includes a full chromatogram in the COA |
| Source | Non-GMO sunflower lecithin | No soy-derived proteins; suitable for allergy-conscious users |
| Appearance | White to off-white powder | Free-flowing, no clumps under normal handling |
| Particle size | ≥90% through 80 mesh | Optimized for direct compression or dry blending |
| Moisture content | ≤3% | Low water activity minimizes enzymatic degradation |
| Heavy metals | Pb ≤2 ppm, As ≤1 ppm, Cd ≤1 ppm, Hg ≤0.1 ppm | ICP-MS method per batch COA |
| Microbial limits | Total aerobic count ≤1000 CFU/g; yeast & mold ≤100 CFU/g | Negative for E. coli and Salmonella |
| Residual solvents | Ethyl acetate and hexane ≤200 ppm | Meets European Pharmacopoeia limits |
| Shelf life | 24 months from manufacture date | Store sealed under 25°C, away from light and moisture |
Application Scenarios
A 45-year-old office worker who experiences afternoon brain fog takes 200 mg in a morning smoothie to sustain attention during high-stakes meetings.A graduate student preparing for six-hour exam blocks mixes PS powder into a protein shake to support working memory under prolonged mental pressure.
A senior adult with occasional forgetfulness adds PS to their daily routine for gradual improvement in verbal recall over 12 weeks of continuous use.
A vegan athlete stacks PS with creatine and omega-3s for post-exercise neuromuscular recovery and reduced exercise-induced stress responses.
Common Questions
What is the recommended daily dose of high-purity phosphatidylserine?
For cognitive health, clinical trials often use 100–300 mg per day of PS with ≥90% purity. A common starting dose is 200 mg once daily with food. Consult a healthcare provider for personalized dosing, especially if you take blood thinners.
Is this product safe for people with a soy allergy?
Yes, this phosphatidylserine is derived from sunflower lecithin and contains no soy proteins. However, individuals with severe allergies should review the full COA for allergen declarations and cross-contamination test results.
How quickly can users notice cognitive benefits?
Clinical studies typically measure improvements in memory and attention after 6–12 weeks of continuous daily use. Some users report better focus within 2 weeks, but stable neuronal membrane effects require consistent intake.
Does phosphatidylserine powder break a fast?
No, it contains negligible calories and no carbohydrates. However, taking it with dietary fat improves absorption. If following strict intermittent fasting, consume it during a meal window for optimal uptake.
Can this be combined with caffeine or other nootropics?
Yes. It is commonly stacked with coffee, L-theanine, or omega-3 supplements. No major negative interactions have been documented in clinical studies, but introduce one new ingredient at a time to monitor individual tolerance.
What shelf life can users expect after opening?
Once opened, keep the container tightly sealed in a cool, dry place below 25°C. With minimal moisture exposure, the practical shelf life remains 24 months. Avoid direct sunlight and do not freeze.
Differentiation Summary
Compared to standard 20–50% phosphatidylserine powders, Lixing’s ≥90% purity reduces filler load and enables smaller, efficient dosages in capsules, tablets, or functional foods. Its non-GMO sunflower base avoids the soy allergens common in most Brazil-sourced PS products, while batch-specific COAs provide traceable heavy metal and stability data. Lower-purity options may cost less per kilogram, but the higher effective dose per gram, allergen-free profile, and documented transparency make this ingredient a stronger fit for premium cognitive health brands and formulators targeting sensitive demographics.
