Experience the ISI difference. Our product line includes Agar, Carrageenan, Gellan, Konjac, Hydroxypropyl Methylcellulose, Locust Bean, Methylcellulose, Microcrystalline Cellulose, Pea Protein, Pectin, Propylene Glycol Alginate, Sodium Alginate, Tara and Xanthan. Our technical support team and R&D lab in Waldo, ME are equipped to assist customers in their product development projects.