Vitamin B6 is needed for the metabolism of protein, & for the health of red blood cells. Quest VITAMIN B6 is enhanced by the addition of parsley leaf.• Yeast free • Suitable for vegetarians & vegans• Use to support female health during periods of hormone fluctuation Essential for the generation of energy from carbohydrate stores in liver & muscle & from protein & is required for the synthesis of serotonin, the "feel good” neurotransmitter. It also has a regulatory role in the activity of steroid hormones & is vital in the management of blood homocysteine levels.