Poll Results for the Top 10 Worst Mucus-forming Foods According to the Mucus-free Community


The above video is the poll results of the Top 10 Worst mucus forming Foods according to members of the Professor Arnold Ehret Mucusless Diet Healing System Facebook support group.

CLICK HERE to see our full list of pus- and mucus-forming foods.

The following definitions, which can give some context to the above video if you are new to the idea of a Mucus-free Diet or the work of Prof. Arnold Ehret, are taken from the Spira’s Notes: The Official Mucusless Diet Healing System eCourse Study Guide

Glossary: Lesson 1 of the Mucusless Diet Healing System


Constipation: Arnold Ehret defines “constipation” as “a clogging up of the entire pipe system of the human body” with waste. The term may also be used to refer to an acute or chronic condition in which there is difficulty emptying the bowels because of an accumulation of hard, dry, and/or sticky fecal matter. Ehret is referring to constipation throughout the entire organism and not just the bowels.

Mucus: The word “mucus” is from the Latin mucus meaning “slime, mold, snot, etc.” Mucus refers to a thick, viscous, slippery discharge that is comprised of dead cells, mucin, inorganic salts, water, and exfoliated cells. It also refers to the slimy, sticky, viscous substance left behind by mucus-forming foods in the body after ingestion.

Mucus Theory: A philosophical and theoretical framework created by Prof. Arnold Ehret that identifies mucus-forming foods as unnatural and indigestible for the human body. It is asserted that these foods leave behind uneliminated waste in the body which is the primary cause of human illness and premature aging. Ehret postulates that by removing mucus-forming foods from one’s diet, many human illnesses can be healed and prevented.

Mucusless (also Mucus-Free): Refers to foods that are not mucus-forming. Such foods digest without leaving behind a thick, viscous, slimy substance called mucus. These foods include all kinds of fat-free and starchless fruits and vegetables.

Mucus-Forming: Refers to foods that create or leave behind uneliminated mucus in the human body. Such foods include meats, dairy, grains, starches, and fats.

Blood: The red fluid that flows through the veins and arteries of humans and other vertebrate animals, transporting oxygen to, and waste/carbon dioxide from, the tissues of the body.

Toxemia: An abnormal condition associated with the presence of toxic substances in the blood.

Vitality: Sometimes referred to as “vital force” in biological theory, refers to the force that animates and perpetuates life. Ehret’s particular theory of vitality is expounded on in subsequent lessons, particularly Lesson V.

Naturopathy: Term coined in 1895 by John Scheel and made famous in the United States by one of Arnold Ehret’s students named Benedict Lust, who founded the first school of naturopathy in 1902. Naturopathic medicine favors a holistic and drugless approach to healing and endeavors to employ the least invasive measures necessary to relieve symptoms and heal human illness.

Natural Hygiene (also Orthopathy): A healing philosophy derived from naturopathy that advocates plant-based diets, periods of intermittent fasting, and other lifestyle measures to address the symptoms of disease.

Medical science (Allopathic Medicine): The branch of science concerned with the study of the diagnosis, treatment, and prevention of disease. “Allopathic medicine” is an expression used by many proponents of natural healing to refer to mainstream medical use of pharmacology or physical interventions to treat or suppress symptoms of disease.

Fasting: To abstain from the intake of food and drink. It may also refer to various forms of dietary restriction, which include abstaining from solid foods (juice or liquid fasting), mucus-forming foods (mucusless diet), animal products, and so forth. Fasting may also refer more broadly to abstaining from modern conveniences or unnatural additions, such as a fast from electricity or the use of electronics for a period of time.

Disease: Ehret defines disease, or human illness, as an effort of the body to eliminate waste, mucus, and toxemias. Ehret does not purport to “treat” diseases, but to heal human illness through his Healing System.

Practitioner: Within the mucus-free community, this term is often used to identify a person who practices, or endeavors to perform, the Mucusless Diet Healing System as a lifestyle. This is distinct from the use of the term to identify the practice of a professional in a specialized field (e.g., a legal practitioner).

Additional Definitions from Spira Speaks: Dialogs and Essays on the Mucusless Diet Healing System:


elimination: Removal of physiological wastes and encumbrances. The term is also used by many Ehretists to identify short or extended periods of intensive waste elimination. These Ehretists use the term instead of the word sick, as the connotation of the latter is believed to be problematic. In parlance, a practitioner may say, “I’m going through an intense elimination today!” meaning that he or she is presumably eliminating large quantities of waste and experiencing various symptoms of human illness. Instances of elimination usually spur a practitioner to detoxify, fast, or abstain from mucus-forming foods.

fast: To abstain from the intake of food and drink. It may also refer to various forms of dietary restriction, which include abstaining from solid foods (juice or liquid fasting), mucus-forming foods (mucusless diet), animal products, and so forth. Fasting may also refer more broadly to abstaining from modern conveniences or unnatural additions, such as a fast from electricity or the use of electronics for a period of time.

mucoid plaque: Term used to describe an accumulation of rubbery, rope-like, white, yellowish, or green gel-like mucus film that covers the walls of the gastrointestinal tract. Such plaque is derived from uneliminated mucus- and pus-forming foods combined with dead tissues/cells that ferment and putrefy in the digestive tract.

mucus-lean: Refers to the period of dietary transition in the Mucusless Diet when mucus-forming foods are used along with mucusless ones. Mucus-lean menus are generally less harmful than standard mucus-forming eating habits of non-practitioners and are an important part of the overall transition and systematic healing methods employed in the Mucusless Diet Healing System.

physiological karma: Term coined by Prof. Spira that refers to the physical debt that one must pay as a result of having broken natural physiological laws by eating and accumulating mucus in the body, especially the tissues and bloodstream. It points to what each individual must go through to pay reparations for not only the unnatural eating they have done, but the constitutional wastes and bad eating habits passed down to them from their ancestors. In short, the effects of a person’s dietary actions that inhibit them from achieving physiological liberation.

physiological liberation: Term coined by Brother Air that refers to a state of physiological excellence and cleanliness, whereby a person becomes immune to human illness. It is the full actualization of the physical potentials of a person when they become free of their addictions to all unnatural forms of stimulation.

pus: From late 14c. Latin “pus” (related to puter [putrid] “rotten”), from Proto-Indo-European*pu- compared to Sanskrit. puyati “rots, stinks,” putih “stinking, foul.” Pus often refers to a thick white, yellowish, or greenish opaque liquid produced in infected tissue, consisting of dead white blood cells, bacteria, tissue debris, and serum. It also refers to the substance that dead animal flesh is chemically changed into after being consumed or while rotting. Thus, the ingestion of meat products creates pus residue in the body.

Standard American Diet (S.A.D.): Refers to a Western pattern diet, also called Western dietary pattern, which is a dietary habit chosen by many people in developed countries and increasingly in developing countries. It is characterized by high intake of red meat, sugary desserts, high-fat foods, processed foods, and refined grains.

***New Concept Introduced in Video*** Standard Anywhere Diet (S.A.D.): Refers to unhealthy dietary patterns and habits in culture’s worldwide, and is characterized by a high intake of pus- and mucus-forming foods.

system: A set of connected things or interdependent parts coming together to form a complex whole.

transition: Process or a period of change from one state or condition to another.

transition diet: Systematic approach developed by Arnold Ehret to safely evolve one’s eating habits away from mucus-forming foods toward a mucusless diet.

transitional-mucus: Mucus-forming foods that may be used during a mucus-lean transition diet.


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The Mucusless Diet Healing System is a complete course for every person who desires to learn how to control their health. The diet is a combination of individually advised long and short-term fasts, menus that progressively change to non-Mucus-Forming Foods, and periodic colon irrigation.

Readers of the Mucus-free Life catalog of books will learn what the “Mucusless Diet Healing System” is, what foods are pus and mucus-forming, how to get rid of that annoying stuffy nose, and much more.

You will find out why the transition diet is one of the most misunderstood aspects of a Mucus-free Lifestyle, why intermittent fasting and alkaline foods are important for health, and what transitional meals are best when someone craves their favorite mucus-forming foods.


General Disclaimer: The content found in this video and associated websites are based upon the opinions and research of Prof. Spira and his guests, and is strictly for informational and educational purposes only. The content is not intended to replace a one-on-one relationship with a licensed healthcare professional or licensed dietitian, and is not intended as medical advice. Prof. Spira is not a medical practitioner or licensed dietitian and does not hold academic degrees in fields related to medicine, nutrition, or healthcare. You are encouraged to consult with the appropriate professionals before beginning any exercise, weight loss, or dietary program. This video and accompanying text is a sharing of personal experiences, opinions, and information about practicing a mucusless or mucus-free diet based on the works of Prof. Arnold Ehret.