Organic Kelp Powder Certified Organic Processor and Kosher Certified Facility. Supply only non-irradiated herbs and spices. Adhere to strict quality control procedures. Starwest stocks one of the largest selections of Certified Organic Herbs & Spices in the country, with over 100 varieties from all over the world. When you buy certified organic products, you support conscientious farmers and companies creating a healthy agricultural system from the ground up.