Essential Nutrition offers research, testing, and manufacturing services to drug companies. The UK-based firm estimates its manufacturing capacity to be up to 8.5 million tablets per day. The company produces its own brand of health food supplements which Alternative Medicines Limited markets and sells online. Essential Nutrition also partners with various agronomy firms to determine optimum location and growth cycles for its herbal medicine crops. It has collaborated on nutritional research with universities throughout the UK and in the US. Family owned and operated, Essential Nutrition was founded as a research and development company in 1989.