21 Natural Health uses the powerful properties of natural ingredients to provide remedies for everyday symptoms, without the addition of chemicals or binding ingredients. Pure and Powerful. Made in Switzerland. 21 Natural Health products are based on essential oils. With over twenty-five years of experience in natural medicines and cosmetics, the various products have been developed using traditional recipes and are produced in accordance with modern compliant practices. Our products are manufactured according to GMP and have the needed authority approvals for their use. Strict guidelines on production, testing, documentation and controls, safeguards the usage as well as ensuring quality.