Pacific Rainbow International Inc, was established in 1995 in California, is a leading supplier in Chondroitin Sulfate (90% for any testing methods), Glucosamine Hcl /Sulfate, MSM, DHEA, Biotin, Inostitol Nicotinate and Alpha Lipoic Acid etc. Our Chondroitin Manufacturer is GMP and ISO 9001 certified in China. We also stock more than 100 items of Herbal extracts such as Green Tea, Ginseng, Epimedium, Boswellia, Milk Thistle, Spirulina and Grape Seed etc., now carry full line of B Vitamins, Vi...