Welcome to The Natural Medicine Centre

The Natural Medicine Centre at St Leonards was created to promote the significant benefits and advantages of natural medicines and related therapies to the public. It was established by Peter Tumminello, a homeopath, naturopath, teacher and author. The Centre is the home of Peter’s work with essences and homeopathic medicines made from crystalline substances, the gem medicines. Peter, through his experiments, writings and teaching has pioneered this work around the world.

Carmel is Peter’s assistant and dispensary co-ordinator. She  is very familiar with homeopathic medicine, having used it her whole life.

The medicines prescribed at the centre are holistic, positively affecting mind, body and spirit. They are derived from minerals, gemstones, plants, flowers and animal products. This vista of natural substances has the potential to heal or alleviate the symptoms of a vast number of physical conditions as well as distressing mental and emotional states. Their efficacy has been established by experiment and clinically tested by practitioners in this field since the early 19th century.

About Peter


Peter is committed to professional development to maintain and improve the results and integrity of his work. He regularly treats adults, children and infants for both acute and chronic conditions. He recognizes that the mind and body are interconnected and applies this principle in practice.

Peter has been in full-time practice using homeopathic and natural medicines for over 30 years. He studied as a naturopath but quickly found his place in homeopathy with its “simple, single medicines and power to address the whole person”.

He was co-founder, and principal of the Sydney College of Homeopathic Medicine for nine years. He has travelled to India, Britain and Europe to further his understanding and interact with practitioners who are at the cutting edge of homeopathy. He has authored the ‘Repertory of the Child’s Mind and Behaviour’ and ‘Rhus glabra, A Portrait of Abuse’ as well as a number of journal articles published in international and the Australian homeopathic journals.

In 1994 Peter instituted a series of experiments with new medicines and developed a set of medicines made from the crystalline substances, the ‘gem’ medicines. In 2005 he produced his major work “Twelve Jewels’ which is the result of more than 10 years of group experiments and clinical experience with these medicines.

He has presented a series of seminars to professional homeopaths and medical practitioners in the main Australian states, New Zealand, Britain, Holland, Norway and Germany. His inspirational work with his preparation of the Diamond crystal called ‘Diamond immersion’ has received outstanding reviews from seminar participants and clients alike.

Peter is a practitioner of first hand experience and continues to experiment with and apply a range of medicines. He believes that a practitioner’s personal process of taking medicines is a door to an authenticity of truly knowing medicines, success in practice, his own healing and that of his clients.

Peter is available for consultation every Thursday and Friday, with alternate Wednesdays and Saturdays.