Nutricost, located and headquartered in the USA, only uses the best ingredients to ensure maximum quality and to help you feel your best! High quality Vanadium (Vanadyl Sulfate with Chromium) by Nutricost. As a dietary supplement, take 1 capsule daily with 8-12 oz of water or as directed by your healthcare professional. For healthy individuals 18 years and older. Consult a healthcare professional prior to use if you are pregnant or nursing, taking medication, or have a medical condition. Keep out of reach of children. Do not use if safety seal is broken or missing.