Quick Answer
What is Phosphatidylserine (PS) and who is it for?
Phosphatidylserine (PS) is a functional food ingredient produced from natural lecithin and L-serine through bio-enzymatic conversion. Nutranexa supplies bulk PS ingredients for supplement manufacturers, ingredient distributors, nutrition brands, and functional food developers.
Product overview
Source bulk phosphatidylserine (PS) from Nutranexa for dietary supplements, nutrition powders, functional foods, and dairy-based product development.
Source and ingredient base
Natural lecithin and L-serine; source-specific options include soy and sunflower PS.
Applications
- Dietary supplement tablets
- Soft and hard capsules
- Milk powder formulas
- Dairy beverages
- Functional food applications
Manufacturing capability
- Founded in 2013
- 110,000+ m2 production campus
- Cooperation with East China University of Science and Technology
- PS production license obtained by the end of 2015
View manufacturing proof
Available documents
- Specification: Available upon request
- COA samples: PS 20% sunflower and PS 50% samples available for buyer review
- Certificate files: Halal, Kosher, food production license, FDA food facility registration document supplied
Review Quality & R&D
Quality control
Request current product documents
Ask the sales team for the latest specification, COA, and certificate files that match your product source, batch, and destination market.
See document checklist
FAQ
Common buyer questions
These answers are written for sourcing and application evaluation without medical treatment claims.
What is phosphatidylserine used for in B2B formulations?
It is used as a functional food and dietary supplement ingredient in formats such as tablets, capsules, milk powder, dairy drinks, and health food applications.
Can Nutranexa provide PS from different ingredient sources?
Nutranexa offers soy phosphatidylserine and sunflower phosphatidylserine options. Final specifications should be confirmed before quotation.
Are specifications and COA available?
Yes. Buyers can request current specifications, COA samples, and certificate files from the sales team before quotation or shipment.
COA samples
PS 20% and 50% sample COA highlights
Sample COA files support buyer evaluation. Final batch COA, specification, and certificate files should be confirmed before quotation or shipment.

PS 20% Sunflower COA Sample
| Product | Phosphatidylserine (Sunflower) |
|---|
| Product model | PP201 |
|---|
| Lot No. | C01520260103 |
|---|
| Manufacture / test date | Jan 8, 2026 |
|---|
| Report date | Jan 13, 2026 |
|---|
| Test basis | QB/T 5821-2023 |
|---|
| Phosphatidylserine | 23.7 g/100g; standard >= 20 |
|---|
| Moisture | 0.81 g/100g; standard <= 2.0 |
|---|
| Peroxide value | 0.65 mmol/kg; standard <= 2.5 |
|---|
| Acetone insoluble | 98.2 g/100g; standard >= 95.0 |
|---|
| Pb / As / Hg | Not detected |
|---|
| Cd | <0.003 mg/kg |
|---|
| Salmonella | Not detected |
|---|
Sample COA data is batch-specific. Current batch COA should be confirmed before quotation or shipment.

PS 50% COA Sample
| Product | Phosphatidylserine |
|---|
| Product model | PP501 |
|---|
| Lot No. | C00120260302 |
|---|
| Manufacture / test date | Mar 26, 2026 |
|---|
| Report date | Mar 31, 2026 |
|---|
| Test basis | QB/T 5821-2023 |
|---|
| Phosphatidylserine | 53.2 g/100g; standard 50-60 |
|---|
| Moisture | 0.89 g/100g; standard <= 2.0 |
|---|
| Peroxide value | 1.05 mmol/kg; standard <= 2.5 |
|---|
| Acetone insoluble | 98.1 g/100g; standard >= 95.0 |
|---|
| Pb / As / Hg | Not detected |
|---|
| Cd | <0.003 mg/kg |
|---|
| Salmonella | Not detected |
|---|
Sample COA data is batch-specific. Current batch COA should be confirmed before quotation or shipment.