Professor Spira

Prof. Spira is an author, jazz trombonist, ethnomusicologist, founder of Mucus-free Life LLC, and one of the most sought-after experts on Arnold Ehret’s Mucusless Diet Healing System in the world. He has worked tirelessly to revive the works of Prof. Arnold Ehret and has helped thousands of people learn how to transition toward a plant-based, mucus-free lifestyle. He holds master’s degrees in jazz studies and African American and African Studies, as well as a Ph.D. in musicology with a specialization in ethnomusicology. As an academic, he has published materials in scholarly journals and taught a number of college courses in musicology, including Introduction to Jazz, Survey of African-American Music, and Music of World Cultures.

During his freshman year of college, Spira met a jazz drummer named Willie Smart (aka Brother Air) who told him about the Mucusless Diet, and within 6 months he lost 100 pounds and overcame major ailments that plagued him since childhood. Since his transformation, he has worked tirelessly to revive Arnold Ehret’s teachings and has helped thousands of people learn how to transition toward a mucus-free lifestyle.

In 2014, Prof. Spira started Mucus-free Life LLC, which currently publishes seven books related to the mucus-free lifestyle, including Prof. Arnold Ehret’s Mucusless Diet Healing System: Annotated, Revised, and Edited by Prof. Spira, which frequently makes Amazon’s Top 10 best seller’s list for Naturopathy, Health & Fitness, Dieting, Alternative Medicine, and Healing. In 2018, Spira released his acclaimed Mucusless Diet Healing System eCourse, which is the first comprehensive, in-depth course on the Mucusless Diet since Prof. Ehret taught his famous course in the early 1920s. Prof. Spira is the webmaster of, facilitates popular public support groups for Mucusless Diet practitioners, and produces educational videos about the Mucusless Diet on his Youtube Channel (