Vitamins B6 and B9 are constituents of the recipes of ​Ænduro, Ingenio, Praevens, and Longevis. Vitamins B6 and B9 contribute to maintaining a healthy metabolism, nerve health, blood, skin and eye health. These vitamins support healthy blood flow in the brain. Vitamin B6 plays an important role in the production of serotonin and dopamine, which are necessary for nerve communication. The supplementation of vitamin B6 in patients with migraine with aura has been effective in reducing the severity and duration of headache attacks. Vitamin B9 plays a key role in central nervous system function at all ages.