The products that serve the health needs of the population. According to WHO, these products should be available “at all times,in adequate amounts in the appropriate dosage forms, with assured quality and adequate information, and at a price the individual and the community can afford”. The products that serve the health needs of the population. According to WHO, these products should be available “at all times,in adequate amounts in the appropriate dosage forms, with assured quality and adequate information, and at a price the individual and the community can afford”.