Bontac Bio-Engineering Shenzhen Co., Ltd. is a China-based company listed on Global Trade Plaza. The supplier offers phosphatidylserine in powder form with concentrations of 20%, 50% and 60%, sourced from non-GMO soybean extract. The product is noted as a natural brain building block for cognitive health supplements and was identified by the US FDA as GRAS in October 2006, allowing its use in foods such as yogurt, milk powder, bread and power drinks. The company also lists coenzymes including NAD, NADP, NADH, NADPH and NMN. In addition, it supplies L-glutathione at 98% purity with CAS number 70-18-8. Buyers can send an enquiry through Global Trade Plaza.