Note: Use with caution if you have high blood pressure or take HBP medications as L-arginine is a vasodilator and can interact with your medications resulting in extremely low blood pressure.Helps improve circulation and blood flow in your body. It can be used as needed for improved blood flow. Consistent daily use is required to see the maximum benefits of this product. Daily use supports improved circulation, healthy blood pressure, and improved energy and vitality.Studies have shown that L-arginine, a nitric oxide booster, can help improve low sperm count in men. For women, L-arginine can help improve cervical mucus production and improve blood circulation to the uterus, supporting a healthy menstrual flow and improve the uterine lining. For increased circulation and warmth in hands and feet: Apply directly to hands and feet and gently rub in. This will help relax blood vessels and allow for more blood flow to extremities. For some people, this product works quickly, but for others, it can take consistent daily use to acheive the results you are looking for.If irritation occurs, discontinue use and consult a doctor. Avoid contact with eyes. Nitric oxide production, a benefit of l arginine relaxes blood vessels and may interact with heart or blood pressure medications by accomplishing the same effect; naturally. Check with your doctor if you have recently had a heart attack or if you are on any medications.