Cardio Heart Health is the ultimate nitric oxide supplement to use before your workout to boost muscle growth. Doctor-recommended Cardio Heart Health is a dynamic composition of vitamins, minerals, and L-Arginine and contributes to your body's ability to produce nitric oxide, an important process for maintaining a healthy cardiovascular system. Antioxidants vitamin C and E help reduce the unwanted effects of oxidative stress on the cardiovascular system and help you feel your best. Optimizes nitric oxide production by including L-Arginine and L-Citrulline to boost workouts Supports a healthy cardiovascular system Created and formulated by doctors with the best pharmaceutical-grade ingredients Size: 16.82 ounces Active ingredients: L-Arginine, Proprietary Blend, L-Citrulline, Vitamin C, Potassium Citrate, Vitamin B3, Sodium, Vitamin D3, Natural Vitamin E, Vitamin B, Vitamin B5, Vitamin B1, Vitamin B2, Folic Aci, Vitamin B12, Magnesium Citrate, Selenium, Chromium Polynicotinate, Proprietary Blend, Powder Form We cannot accept returns on this product. The content on this site is not intended to substitute for the advice of a qualified physician, pharmacist, or other licensed health-care professional. The products may have additional information and instructions on or inside the packaging that you should carefully read and follow. Contact your health-care provider immediately if you suspect that you have a medical problem. This product may not have been evaluated by the Food and Drug Administration and is not intended to diagnose, treat, cure, or prevent any disease or health condition.