Sentinel Folic Acid 400mg is a dietary supplement containing 100 tablets of folic acid, a B-vitamin essential for cell growth and DNA synthesis. This supplement is particularly important for pregnant women and those planning pregnancy, as it helps prevent birth defects and supports maternal tissue growth. Folic acid is crucial for red blood cell formation, normal blood formation, and supports a healthy immune system. It contributes to maternal tissue growth during pregnancy and helps reduce tiredness and fatigue. For pregnancy planning, it's recommended to start taking folic acid supplements before conception through the first 12 weeks of pregnancy. The supplement comes in an amber bottle with a safety seal to protect the tablets and maintain their potency.