GTF (Glucose Tolerance Factor) Chromium is derived from specially grown yeast cells. Puritan's Pride GTF Chromium is highly absorbable and provides 100% pure GTF Chromium factors.Directions: For adults, take one (1) tablet up to four times daily, preferably with meals.Other Ingredients: Dicalcium Phosphate, Vegetable Cellulose. Contains <2% of: Silica, Vegetable Magnesium Stearate.WARNING: Not intended for use by pregnant or nursing women. Avoid this product if you are allergic to yeast. If you are taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Store at room temperature. Do not use if seal under cap is broken or missing.No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Fish, Sodium Free.