Prāṇāyu selected very high nutritional density varieties, with a high therapeutic power. A specification was developed by a group consisting of an Ayurvedic physician and members of the ādivāsī community. Thus Prāṇāyu seeds meet the following criteria as much as possible:
. High macro and micro-nutritional values,
. Complementarities to constitute the entirety of a healthy diet,
. Endangered species,
. Traditional varieties of ancient cultures,
. High agricultural yield,
. Therapeutic properties,
. Fertilizing capacities, by capturing and restoring the mineral elements to enrich the soils,
. Adaptability to the demands of climate change,
. Clean up the soil of properties,
. Decontaminating and purifying actions of water resources,
. Carbon recapture power of the air.