Mucuna beans are plants with a very high content of L-DOPA, a precursor to the neurotransmitter dopamine. This product is made by roasting and powdering pesticide-free Mucuna beans cultivated in the rich soil of Kagoshima. Please try it and experience a taste and texture very similar to kinako (roasted soybean flour). The expiration date is December 30, 2025. Thank you.