Our Vinpocetine is produced by a European phtyopharmaceutical company under strict European quality control standards. Like all European extracts, the extraction to the same high standard as Over-the-Counter drugs. Vinpocetine improves blood flow to the brain. It is used for enhancing memory and preventing Alzheimers disease and other conditions that harm learning, memory and processing skills as people age. Contains no sugar, salt, dairy, yeast, wheat, gluten, corn, soy, preservatives, artificial colors or flavors.