Dr Ismail Tambi is a Consultant Clinical Andrologist and a Reproductive and Sexual Health Specialist. Malaysia’s only Clinical Andrologist, he pursued a World Health Organization research fellowship in clinical andrology and semenology. He is currently practising at the Men’s Health Clinic Damai Service Hospital. Dr Ismail has studied the use of Physta™ for more than ten years in men, and has been a strong proponent of Tongkat Ali. Over the years, he has studied its safety, efficacy in improving quality of life in men.

Dr Tambi also conducts postmarketing studies on Tongkat Ali (under the brand name of Nu-Prep), conducts seminars and frequently speaks on TV about his research and topics associated with Male Health, including the effect of Tongkat Ali on Anti-Aging.