Sentinel B6 is a dietary supplement containing 100 mcg of Vitamin B6 (Pyridoxine) per tablet, with 100 tablets per bottle. Vitamin B6 is an essential nutrient that plays a vital role in metabolism, brain development, immune function and the production of hormones and red blood cells. Vitamin B6 helps the body convert food into glucose for energy, aids in the formation of neurotransmitters, and supports immune system function. It's important for brain development during pregnancy and infancy as well as immune function throughout life. Common signs of B6 deficiency can include anemia, depression, confusion, weakened immune system and skin conditions. As with any supplement, consult with a healthcare provider before use.