Richen Nutritional Technology Co., Ltd. is a leading manufacturer, supplier, and factory of innovative nutritional supplements and health products in China. Our flagship product, PS 50, is a breakthrough dietary supplement that supports brain health and cognitive function. PS 50 is formulated with high-quality phosphatidylserine (PS) derived from soybean lecithin. This key ingredient has been scientifically researched and proven to increase brain function, support memory, and improve mood. PS 50 is an excellent choice for students, seniors, and professionals who need to improve cognitive performance or reduce cognitive decline. Our dedicated team at Richen Nutritional Technology Co., Ltd. guarantees the highest level of quality and efficacy in all our products, and PS 50 is no exception. Our state-of-the-art production facility and rigorous quality control measures ensure that each bottle of PS 50 meets the highest international standards. In summary, if you're looking for a reputable supplier of reliable and effective nutritional supplements that support brain health and cognitive function, look no further than Richen Nutritional Technology Co., Ltd. and our flagship product, PS 50.