Bioactive ingredients by TSI Inc. (USA)

TSI is a world-class manufacturer of innovative and functional health products. Combining expertise from our Innovative Products, Bioactive Ingredients and Contract Manufacturing Divisions, we strive to create the highest quality products that maximize and maintain active, healthy lifestyles for consumers.

TSI was founded in 1996 on the principle that quality must be the highest priority – both for our company's success and for the benefit and integrity of an entire industry. Our continued commitment is to employ state-of-the-art operations and infrastructure to deliver best-in-class proprietary products that are functional, safe, and efficacious.

These capabilities partnered with our expertise allow us to create and commercialize solutions for a broad spectrum of health applications – ranging from muscle, bone and joint health to healthy ageing and sports performance.


Products are manufactured under trademark PUREFLEX®

  • Chondroitin sulfate (bullish), Chondroitin sulfate Sodium USP bovine source
  • Glucosamine Sulfate (Molluscum), D-Glucosamine sulfate 2KCl USP
  • Glucosamine hydrochloride (from mollusks), D-Glucosamine HCl USP


Products are manufactured under trademark GlucosaGreen®

  • Glucosamine sulfate, D-Glucosamine sulfate 2KCl
  • Glucosamine Hydrochloride, D-Glucosamine HCl


Vegetarian grades

  • Glucosamine sulfate, D-Glucosamine sulfate 2KCl
  • Glucosamine Hydrochloride, D-Glucosamine HCl
  • Ginkgo 24/6/5®, Ginkgo Biloba Extract