About Rainbow Biotech
Xi’an Rainbow Biotech Co., Ltd. has been a trusted name in botanical ingredient supply since 2013. Headquartered in Xi’an, China, and operating through our dedicated processing center BioconNutri Biotech, we bring over a decade of hands-on expertise to the extraction and standardization of active compounds from herbs, mushrooms, fruits, and vegetables.
Our ingredient portfolio spans polysaccharides, saponins, polyphenols, flavones, natural pigments, functional mushroom extracts, and our independently developed Phospholipid Complex Series — a proprietary line designed for superior bioavailability and performance in nutraceutical and functional food applications.
We hold a comprehensive suite of quality and compliance certifications, including ISO 9001, EU Organic, USDA Organic, Halal, Kosher, FAMI-QS, FSSC 22000, and SGS, ensuring that every ingredient we supply meets the standards your market demands. Our annual processing capacity exceeds 2,500 metric tons, and we offer full OEM and contract manufacturing services — from custom formulation through to finished capsules, tablets, gummies, and private-label products.
Whether you are sourcing bulk extracts or building a branded supplement line, Rainbow Biotech offers the supply chain depth, certification coverage, and technical support to be a long-term partner you can rely on.
Why Us?
Depending on high-class local plant resources, Rainbow engaging in R&D, production of natural herb products and plant extracts has been working on supplying high-quality natural products for food, health care products, cosmetics, natural pigment, animal nutrition and other industries over the years.
Here at Rainbow® biotech, we are providing premium quality products and maintaining high levels of service to our customers. no matter the standards extraction or an OEM mixed proportional, you can find proper solutions here.
Our products are under highly controlled extraction processes and recognized certifications. The strict quality control practices and a highly experienced team constantly guarantee quality for the final product at every step of the production.
With over a decade of experience in the fields of Echinacea purpurea and other botanical extraction, Rainbow®’s highly experienced team is responsible for customers by guaranteeing quality from the research and development of the product.
Our Certifications & Accreditation
Latest News
Checkout Our Latest Blogs
Get A Quote!
Follow Us
Happy Easter! This Easter Sunday is around the corner, team from Rainbow Biotech wishing you and your loved ones a joyful, healthy, and vibrant Easter! 🐰🥚🌿![]()
#Easter2026 #happyeaster #SpringRenewal #HerbalWellness #mushroomextracts #naturalhealth #WellnessJourney #healthsupplements
