Possible Green was founded by a woman entrepreneur in the conflict-affected Vanni region of Sri Lanka. They specialize in herbal health drinks for blood sugar control, weight loss, pain relief, hypertension, cholesterol and skin care. Products under their Lifetone brand include Gymnema sylvestre, Garcinia cambogia, moringa, ginger, cinnamon, cardamom, holy basil, hibiscus, mango leaf, lime leaf and orange leaf herbal drinks and green tea blends. They also produce Jaffna coffee and a jamun seed herbal coffee substitute.

The majority of Possible Green employees are women and they focus on community health and local livelihoods. Raw materials are sourced directly from local Vanni farmers. Revenue is reinvested in English, IT, leadership and communication skills training and awareness programs on healthy living.