Gluten Wheat and Dairy Free. Suitable for Vegetarians. Solgar Citrus Bioflavonoid Complex comprises a group of water soluble plant pigments found in foods such as oranges and lemons and are partly responsible for giving these foods their colorful look. Solgar Citrus Bioflavonoid Complex helps promote blood vessel integrity and is believed to enhance the absorption and utilization of Vitamin C. In addition bioflavonoids possess antioxidant properties that help fight cell-damaging free radicals in the body. Solgar Citrus Bioflavonoid Complex formulation offers all natural citrus bioflavonoids to promote and support optimal health.