Maypro, founded in 1977 by Japanese entrepreneur Steve Yamada, began as a small company with a big vision in the United States: to improve human health and happiness by importing high-quality nutraceutical ingredients and fine chemicals. Over the years, Maypro has grown into a trusted global sourcing partner for wellness and nutrition manufacturers. Today, the company continues to deliver science-backed raw materials that support innovation in health products. Maypro is also recognized for its reliable supply of Quercetin ingredient, meeting the demand for high-quality plant-based flavonoids used in dietary supplements. With a strong focus on quality, compliance, and long-term partnerships, Maypro serves leading US brands with consistent ingredient solutions market.