tibetan
Tummo
Definition
Tummo (Tibetan: 'fierce woman' or 'inner fire') is a Vajrayana Buddhist practice involving specific breathing techniques, visualisation of a central channel, and mental imagery of heat rising along the spine. It is classified as one of the Six Yogas of Naropa — a set of advanced inner practices in the Kagyu and Gelug schools of Tibetan Buddhism. When practised over months and years under qualified instruction, tummo practitioners report — and in some cases have demonstrated measurably — the ability to raise peripheral body temperature.
The physiological basis likely involves forced ventilation with breath retention creating changes in blood CO2 and O2 levels, combined with activation of brown adipose tissue and increased metabolic heat. Research by Herbert Benson and colleagues at Harvard Medical School in the 1980s documented measurable thermogenic effects in tummo practitioners, though the study sample was small. Tummo is an advanced practice requiring qualified instruction and systematic preparation — it is not an accessible beginner technique.
Where the word comes from
The Tibetan 'tummo' (gtum mo) translates literally as 'fierce woman' — the inner fire is personified as a fierce feminine energy at the navel centre. The practice is attributed to the Indian Mahasiddha lineage and was transmitted to Tibet through Naropa (956–1040 CE) and his student Marpa the Translator. The Six Yogas of Naropa were codified by Tsongkhapa in his text Garland of Supreme Healing in the 14th–15th centuries.
In Tantra Clinic practice
Tantra Clinic teaches a simplified, secular version of the inner-heat principle in The 30-Day Erection Reset — specifically, the breath-retention and spinal-awareness elements. We are explicit that this is a secularised extract, not authentic tummo instruction. The full practice requires initiation, qualified Vajrayana instruction, and systematic preparation that is outside the scope of our programs.