Fat deficiency, in Aajonus's framework, is not merely a condition of having too little visible body fat. It is a state of profound systemic vulnerability in which the body lacks its most critical protective, lubricating, energizing, and detoxifying nutrient. Fat deficiency means the tissues, nerves, cells, glands, bone marrow, brain, muscles, and immune system are all inadequately buffered against the continuous onslaught of industrial toxins, heavy metals, pesticides, pharmaceutical residues, and environmental poisons that characterize modern life.

According to Aajonus, fat is "the most important protective nutrient in the body." He states this unequivocally and repeatedly. When someone is fat deficient, they are not merely thin, they are unprotected. Every toxin that enters their body, whether through breathing, eating, skin absorption, or injection, has nowhere safe to go. Without fat to intercept and bind those poisons, they travel directly into the living cells, into the nucleus, into the RNA, into the DNA, where they cause genetic damage, mutation, deformity, and ultimately disease.

He distinguishes sharply between two types of fat in the body: raw fat molecules, which are tiny and compact and where they belong (inside the muscle tissue, packed tightly into the cellular matrix), and cooked fat molecules, which have swollen to 10 to 50 times their normal size and which, while they can still offer some protective function by surrounding toxins extracellularly, cannot be properly utilized by the cells, cannot be efficiently metabolized for energy, and lodge in ways that create bulk, swelling, and visual obesity without providing the deep nourishment and protection that raw fat does.

A fat-deficient person, in Aajonus's view, is someone whose cells are essentially naked, exposed to every poison in their environment. Their nerves are stripped of their protective myelin sheaths. Their brain, which is one of the highest concentrations of fat in the body, is directly vulnerable to toxic assault. Their bone marrow, another primary fat repository and one of the body's most critical toxin-storage sites, is unprotected. Their white blood cells, which are 90% fat and function as the primary phagocytic immune agents, are compromised. Their heart, which carries a substantial pocket of fat on top of it that can represent 10% to 20–23% of the heart's composition, is insufficiently protected. Their entire system is, as Aajonus puts it, running dry.

He frames thinness not as health but as danger: "Be fat, be healthy," he says. "People who are thin have body damage." The cultural ideal of leanness, in his framework, is not only wrong but lethal, it is a product of medical and industrial propaganda designed, whether consciously or not, to keep people sick and dependent on pharmaceutical intervention.

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Aajonus identifies several interlocking root causes of fat deficiency:

Primary Cause: Insufficient consumption of raw fats. The overwhelming majority of people in industrialized society consume their fats in cooked, processed, or otherwise heat-altered form. Cooked fats, whether from fried foods, roasted meats, baked goods, processed vegetable oils, or any heat-treated source, are swollen to 5 to 50 times their normal molecular size. He is emphatic about this: "When you cook a fat molecule, it swells 10 to 50 times its normal size." This is illustrated repeatedly with the example of pork rinds or flat-back pig skin: "You see a very thin little strip and after you fry it, what happens? That pork rind is this big. That's what happens in the human body." These swollen molecules cannot be properly absorbed intracellularly. They are too large to pass into the cells efficiently, so they lodge in the extracellular tissue, cause visible swelling and bulk, yet fail to nourish the cells themselves. A person eating exclusively cooked fats can appear visibly fat while being profoundly fat-deficient at the cellular level.

Secondary Cause: Lack of bioavailable animal fats. Vegetable and seed fats, even when consumed raw, present a different problem. Aajonus explains that the fat molecule from plant sources is larger than that from animal sources even before cooking. "It takes an herbivore to digest and break it down to a smaller molecule. But they need a larger molecule than non-vegetarian animals." Plant-sourced fats, especially when cooked, present fat molecules that are swollen and virtually unusable for human cellular nutrition. This means vegetarians and vegans are particularly susceptible to fat deficiency even if they are consuming significant quantities of fats from avocados, nuts, seeds, or vegetable oils.

Third Cause: Active toxin exposure without sufficient fat reserves. When the body is under continuous toxic assault, from city air, car exhaust, industrial chemicals, burning diesel, pharmaceutical drugs, alcohol, recreational drugs, or any other source, it uses fat at a dramatically accelerated rate to bind with and neutralize those poisons. Aajonus explains this biochemistry precisely: "The basic purpose of fat is to clean out the body when you're toxic. Normally, it would be one-third to clean, one-third to stabilize the system, and one-third to protect it, coat the cell membranes, protect it, and one-third for fuel. At our toxic rate, 50 to 80% is used as solvents to detoxify the body, and only about 20 to 25%, at best, is used to help lubricate and fuel the body." This means that in an industrialized toxic environment, the body's fat requirement is dramatically higher than in pristine environments. If fat intake does not meet this elevated demand, the body goes into fat deficiency even while appearing to consume adequate quantities.

Fourth Cause: Athleticism and extreme leanness during the high-performance years. Athletes who pursue low body fat as a performance ideal are, in Aajonus's view, systematically destroying their bodies. He uses the examples of Billie Jean King and John McEnroe: "What happens to these athletes who are fat deficient? Billie Jean King, McEnroe, very skinny while they were on the circuit. Tempers, especially McEnroe, what a temper he had." He explains that carbohydrate-fueled athletes are burning through their available fats to neutralize toxins and generate energy, leaving nothing for protection. He notes they dry out, develop leathery skin, become chronically irritable, and their careers collapse in their late thirties because "you are spent."

Fifth Cause: History of extreme thinness in childhood and early adulthood. Aajonus identifies a specific, severe subclass of fat deficiency that results from having been ultra-thin throughout childhood. "My most difficult clients were children who grew up to adults being ultra skinny, never having fat on their body. All the poisons went into the cells. Those people are my most difficult patients." These individuals suffered years of direct intracellular toxin penetration during their formative years, damaging their RNA and DNA at the cellular level. No amount of subsequent fat consumption can undo this damage quickly; it requires six to twelve years of intensive dietary intervention to bring these individuals to the level of health that someone who had maintained reasonable fat reserves throughout their life reaches much more readily.

Sixth Cause: Hormonal and glandular suppression. Aajonus notes that fat is always involved in arresting toxins, and that when fat is insufficient, the body turns to hormones as a secondary mechanism. "Fats are always involved in arresting toxins. And if you don't have the fats, it's going to go into your cells, mainly the nervous system, and pull the fats out of the myelin. That's the sheath on the nerves. It's going to get into a cell and try to pull the fats out of a cell." This chronic hormonal borrowing depletes the endocrine system and creates cascading glandular insufficiencies that compound the fat deficiency.

Seventh Cause: Hardening of tissues due to fat absence. When an area of the body is not adequately supplied with fat, and particularly when it has been chronically exposed to cooked fats or inorganic mineral deposits from water or other sources, the tissue begins to harden. Aajonus describes this directly: "It can be hardening of the tissue because there's not enough fats in the area and some poison has gotten in there or even minerals that are unutilizable like from water. They get planted in a certain area and they just keep drawing the fats out of the area and dehydrating them because most people eat cooked fats. So what helps is it just dries out in the area and then it hardens like sclerosis." Hardened tissue is perfused with poor circulation, cannot regenerate, and is effectively dead or dying tissue that requires years of raw fat consumption to reverse.

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Fat deficiency sits at the intersection of several causal domains in Aajonus's framework, but it belongs most primarily within:

Root Cause / Terrain Theory, because the entire argument about fat deficiency is an argument about what the biological terrain requires to remain healthy and protected. Fat, in his system, is not a food group in the conventional nutritional sense but a terrain modifier: the substance that determines whether your cellular environment is vulnerable or protected, whether your intracellular machinery is operating or degraded, whether your nervous system is insulated or exposed.

It also belongs within Cooked Food, because the primary mechanism by which fat deficiency occurs in modern people is through the consumption of cooked fats that swell and cannot serve their biological functions, creating the paradox of visible obesity combined with cellular fat deficiency.

It belongs within Detoxification, because fat deficiency fundamentally undermines the body's ability to conduct safe, symptom-free detoxification. Without fat, every detox cycle releases poisons directly into the cells rather than into the fat where they can be safely stored and eventually eliminated. "When you have a lot of fat on the body, those poisons go into the fat and you're protected. You have less symptoms."

It belongs within How to Eat, because the corrective protocol involves precise food choices, quantities, and formulas.

And it has a dimension of Sovereignty, because the cultural propaganda around thinness as health is, in Aajonus's framing, one of the most effective mechanisms by which the medical-industrial complex keeps people sick. "The whole fat myth makes more from sickness. More people will be dying from it. So the medical profession makes even more money. They propagated the cholesterol myth."

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Aajonus reinterprets a wide range of symptoms that conventional medicine attributes to other causes as manifestations or consequences of fat deficiency:

Irritability and short temper. This is one of his most consistently stated consequences of fat deficiency. "Most people who are very thin have a short fuse. They're very irritable. They have no reserves." He uses McEnroe as the paradigmatic example of fat-deficient rage. He notes personally: "When I get down to 22–18% body fat, I'm not a happy person. Don't get near me. I can be rude. I won't be nasty, but I can be rude. Just because I'm irritable, a little irritable at that weight, at that body fat level." The nervous system, stripped of its protective fat buffer, is hypersensitive and cannot modulate stimulation. "You rob the myelin from the nerves... and then their information can't get buffered, so anything new that comes into their environment, everything is overwhelming."

Dry skin and listless hair. Aajonus identifies dry skin directly as a marker of fat deficiency: "Look at his skin... See how dry his skin is. He's lacking fat. People who are thin will be much drier, or who are of a standard weight, are much drier in their bodies." He contrasts this with the appearance of fat-sufficient individuals: "Look at his whole complexion. It's better than most people's." Dry skin is not primarily a hydration problem but a fat insufficiency problem. The skin is not being adequately lubricated from within.

Poor circulation. Aajonus attributes poor circulation in specific body parts directly to local fat deficiency combined with mineral deposits and hardening: "It can be hardening of the tissue because there's not enough fats in the area... it just dries out in the area and then it hardens like sclerosis." He identifies this as the underlying mechanism for what conventional medicine calls atherosclerosis or peripheral vascular disease.

Sensitivity and overwhelm. The fat that composes the myelin sheath of the nerves serves as a buffer and an amplification modulator for neural signals. Without adequate fat to maintain those sheaths, every neural signal is amplified 50,000 times without modulation: "That little prick becomes a stab in your liver. So that's what happens with the child, you rob the myelin from the nerves and their information can't get buffered, so anything new that comes into their environment, everything is overwhelming."

Chronic fatigue. Aajonus notes that the ultra-thin people who had all their toxins driven into their cells rather than stored in fat become his most difficult patients, and that they are "chronically fatigued." The cells, compromised by decades of intracellular toxin accumulation, cannot generate adequate energy. Additionally, fat provides 2.5 times more energy than either protein or carbohydrate. Fat-deficient individuals are running on a fraction of their potential energy supply.

Shortened career and athletic burnout. Athletes who maintain low body fat experience their careers collapsing in their late thirties. "Your career is over in your late 30s. Because you are spent. You're all used up." This is not aging, it is the exhaustion of a system that has been running without adequate protection and fuel for two decades of intensive performance.

Aneurysms and sudden death. "You have a lot of aneurysms, heart, brain aneurysms. People dropping dead at that age, people who are supposed to be very athletic and healthy, they drop dead because they dry out inside." The drying out and hardening of tissues that fat deficiency produces eventually reaches critical organs, and the result is catastrophic failure.

Susceptibility to environmental toxins. A fat-deficient person is essentially unshielded from industrial pollution. "The importance of having fat when you're breathing toxins, when you're driving a car, how many particles of poison are burning diesel? You need fats available everywhere in the body to harness those poisons so they don't go into the cell. If they get into the cell, they're going to damage your cells. Then you're going to get diseased."

Bone and joint problems. Aajonus observes that fat-deficient individuals experience dissolution of the spine, scoliosis, and signs of osteoporosis during detoxification events because the body cannot safely buffer the toxins released during those cycles: "Those are what happens when you have no fat. When you have a lot of fat on the body, those poisons go into the fat and you're protected. You have less symptoms, you know, and dissolution of the body, like your spine and your scoliosis and signs of osteoporosis."

Worse outcomes from disease and detoxification. A fat-deficient person undergoing any detoxification, cold, flu, pneumonia, or any disease process, lacks the storage capacity to safely sequester the toxins being released. "People who are thin, who go through detoxifications, have no fat to protect their cells and buffer it, so the poisons run right into the cells and cause damage and also cause symptoms. Nausea, vomit, pain, and dissolution of the body."

Water retention as a false substitute. In an extreme case of fat deficiency, the body begins to use water as a substitute for fat in the fat cells: "About 30% of your excess weight is water retention. It's completely unutilizable. You have very little fat. It's like your fat molecules are swollen with water. They're eating the excess water. Fat molecules aren't meant to eat water. In fact, your fat cells are eating water. The fat cells in your white blood cells are eating water. So 30% of that weight on you is water. It's not fat."

Compromised immune function. "Your white blood cells are 90% fat. They are phagocytes." A fat-deficient person has immune cells that are themselves fat-deficient, and therefore structurally compromised. "Fat is very important in the body."

Cognitive impairment and neurological vulnerability. "The body uses fat to bind with poisons, to neutralize poisons. If you don't have fats in your body, those poisons go intracellularly, into the fat intracellularly, and will damage the genes of your cells." The brain and nervous system are the highest-concentration fat repositories in the body. Fat deficiency means the brain receives the full brunt of every toxin that cannot be otherwise sequestered.

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Aajonus's fat repletion protocol is comprehensive, precise, and aggressive. He is explicit that fat-deficient individuals need to force-feed themselves fats and that being embarrassed or afraid of gaining visible weight must be overcome. The goal is to build substantial fat reserves as rapidly as possible, particularly in anyone who is ill, toxic, or has a history of extreme thinness.

Raw Butter, The Primary Fat Source

Aajonus specifies his own consumption as a baseline: "I eat at least two pounds of raw unsalted butter weekly." This is a minimum. Two pounds of raw butter per week translates to approximately four tablespoons to half a cup per day, but in context with the cream and other fats he describes, his total daily fat intake is considerably higher. The butter must be raw and unsalted. Salted butter introduces minerals that are not properly utilized and can draw fats out of areas they should be lubricating.

Raw Cream, A Critical Complement to Butter

"A quart of raw cream" per week is given as a baseline alongside the two pounds of butter. He specifies "heavy, heavy, thick cream", not processed, pasteurized, or homogenized, but genuinely raw, full-fat cream that has not been subjected to any heat treatment. At multiple points he references consuming "a quart of raw cream" as a standard weekly intake, and when traveling or in situations where he cannot access adequate cream, he notes physical and psychological deterioration: "I don't get all the cream that I want, I ration my butter, because I have to take it with me, and I don't get all the good fat that I want. So when I come to Asia... I get down to, you know, 30, 30.5 inch waist and I feel fine as long as I'm in the tropics and pristine environment." He then describes gorging on cream upon return: "I'll start drinking a whole cup of cream at a time, or something like that, you know, several times a day to start building up and I'll consume massive amounts of milk and eat lots and lots of butter to build it up as quickly as possible."

Raw Milk

Raw milk is part of the fat-building protocol both as a fat source and as a complete nutritional vehicle. When he returns from travel and is depleted, he consumes "massive amounts of milk" alongside the butter and cream. He does not give a specific daily quantity for milk in the fat-deficiency context separately from the cream, but it is clear it is consumed in substantial volume.

Butter with Every Meal, Minimum Quantities

"Eat butter, two tablespoons minimum, within two hours" of any meat meal is given as a standard. This is a minimum protective pairing, not a maximum. He describes eating "sometimes a whole cup of butter with wine", indicating that the two-tablespoon minimum is a floor, not a ceiling.

The Moisturizing Lubrication Formula

This formula is specifically identified as essential for fat-deficient individuals whose fat reserves are so depleted that even aggressive fat consumption by eating cannot reach all the tissues that need nourishment, because the glands and organs nearest the digestive tract absorb the available fats before they can reach the peripheral tissues. He uses the analogy of an orphanage: "The bigger kids take it all, the ones closest to the food. The other kids don't. The weak ones on the outer side."

For severely fat-deficient individuals, Aajonus recommends: "Make a lubrication moisturizing formula, big batch of it, and then have half of it with" each of two meat meals. He specifies that sirloin should be the meat, at "at least three cups of meat a day, a cup and a half at a time." Each of those servings is paired with half the batch of the moisturizing/lubrication formula.

He describes this formula as containing "a combination of different kinds of fat" so as not to overwhelm the cells with one type. The purpose of the formula is to deliver fat rapidly enough and in a form that bypasses early absorption by the larger glands and organs and reaches peripheral tissues.

External Application of Fats

Because the skin digests and absorbs, Aajonus recommends topical fat application as a supplementary protocol for fat-deficient individuals with dry skin or localized fat deficiency: "You can also feed your skin from the outside. The skin does digest, and the skin will absorb. So you can use the Primal Facial Body Care Cream", which is a combination of different fats applied topically. He also recommends applying bone marrow to the skin, noting that bone marrow is one of only three sources of actual animal stem cells (alongside sperm and ovum) and that it has exceptional regenerative properties.

Milk and Cream Baths

For someone with severe fat deficiency, Aajonus recommends fat absorption through the skin via bathing: "You could use the baths every day. The baths with milk and cream in it just to get some of that fat" into the body. This is not a standard recommendation for everyone but a specific protocol for severe cases where the individual's digestive system cannot absorb adequate fat through the gut alone.

Eggs

While Aajonus does not specifically identify eggs as a primary fat-deficiency treatment in these passages, they appear in related contexts. "Suck an egg" is recommended to prevent protein deficiency during the night (the body goes five hours before red blood cells begin consuming each other). Eggs function as a nutritionally complete food that provides both fat and protein in a form that is rapidly absorbed.

Fat with Fruit, Always

This is a categorical rule: "Fat has to go with every fruit that you eat and it has to be enough fat to buffer and slow down that sugar reaction so your body's not robbing it for the brain and the myelin for the sheaths of the nerves." The specific damage pathway for eating fruit without fat is that the rapid sugar from the fruit stimulates the body to prioritize neurological function, and if fat is not available in the meal to buffer and slow the sugar absorption, the body strips myelin from the nerves to supply that neurological demand. Every instance of eating fruit without fat is, in Aajonus's framework, an act of progressive fat deficiency induction in the nervous system.

Carrot Juice with Added Fat

For those undergoing detoxification or needing additional fat delivery: "Add 4 tablespoons raw cream or 2 tablespoons unsalted raw butter to 1 cup carrot juice." This ensures that fat is always accompanying any carbohydrate-containing beverage.

Organ Meats for Severely Fat-Deficient Individuals

In the subset of people who are extremely thin and struggling to absorb and utilize fat even on the diet, Aajonus found that organ meats, specifically liver and heart, produced better results than muscle meats alone: "I found that if they stuck with organ meats, like liver and heart, they would do better. They did better. A lot better. Instead of just with muscle meats. Heart's a muscle, liver's mostly protein... so it seems to be a protein deficiency, even though it's fats, they need so much fats, protein..." The protein and fat synergy in organ meats appears to provide a more bioavailable substrate for individuals whose cellular machinery has been so damaged by years of intracellular toxin accumulation that they cannot efficiently process fat without the protein scaffold that organ meats provide.

Raw Coconut Cream as a Supplemental Non-Animal Fat

Aajonus acknowledges that coconut cream is "your best fat if you're going to use a supplemental fat that's not animal." Coconut oil by contrast is not recommended in the same way. Coconut cream retains the full spectrum of its natural fat components, while coconut oil is a processed extraction. That said, animal fats remain primary, and coconut cream is listed as supplemental.

Quantity Goal, Force Feeding Toward Excess Fat

Aajonus is explicit that the goal is not merely adequate fat but excessive fat by conventional standards. "Fat binds with and neutralizes toxins, therefore I ask people to force-feed themselves to gain excessive fat levels to harness and bind with toxins that are stored in their bodies. Excessive fat allows our bodies to cleanse faster, safer and more thoroughly with less symptoms. Resultantly, we heal faster, safer and more thoroughly." He references his own practice: "I want to stay 22% to 23% body fat." During illness, he deliberately went to 27–30%: "When I was very sick, I liked to stay at 27% or higher." He says directly, in his own case of being badly ill: "I let myself get puffy and big and I felt better that way and I stayed that way as long as I had to."

His target body fat recommendations by implication: Standard maintenance at 22–24% body fat as measured by accurate ultrasound or body fat assessment. During illness, detoxification, or toxic exposure, 27–32% or higher. The Maasai and Samburu live at 7–12% but do so in pristine environments without the toxic burden of industrialized society. "In our society," fat levels need to be double those of such tribes.

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Aajonus's descriptions of recovery from fat deficiency reveal it to be a profoundly gradual process, measured in years and decades rather than weeks, with specific milestones and challenges along the way.

Initial Phase, Swelling and Apparent Weight Gain

When a fat-deficient person begins consuming large quantities of raw fat, the body goes through an initial phase of apparent obesity: "When I first started eating all the raw fat, I blew up. I mean, I wasn't trim like him. I had layers over that." This is because the old swollen cooked fat molecules are still in the body, taking up large amounts of space, and the new raw fat molecules are being added to fill cellular deficits. The visible result is temporarily larger than the eventual outcome. This phase is expected, necessary, and should not prompt reduction of fat intake: "I don't care if you get very fat." The body's accumulation of raw fat reserves during this initial phase is precisely what enables it to begin the process of deep cellular detoxification.

Ongoing Fat Substitution, Years to Decades

"It takes 40 years to clean out all the old fats in the body and everything to be completely rid of all of that." Aajonus says this of his own body, having started in 1972. He identifies December 1982 as when he began eating raw meat daily, which he considers the true start of optimal dietary practice. He notes he "still has some time to go" before being fully rid of all old fats from his pre-1972 life. Within the ongoing process, there are observable improvements at earlier intervals: "Now they're as slender as they've ever been and they're tight and they're robust and they're energetic", but this took twelve years for some of his overweight patients with cancer who then fully resolved their cancer and their excess weight.

The Cellulite Elimination Milestone, 12 Years

"After 12 years, none of them can get fat again. None of them can get fat. They can eat butter all day long, they can eat cream all day long and they can't get fat. After 12 years, they have no cellulite anymore." This twelve-year milestone is significant, it represents the point at which the old cooked and trans fat molecules that create cellulite have been sufficiently replaced with small, raw fat molecules that cellulite disappears entirely and the body shifts into an efficient fat-utilizing metabolism. These women were at 22–24% body fat but "don't look it."

Recovery for the Ultra-Thin, 6 to 12 Years Minimum

For individuals who were chronically and severely thin throughout childhood, with extensive intracellular toxin damage: "It will take anywhere from 6 to 12 years to get them to a place where people who've had some fat on them are." This is the most difficult cohort, and the timeline reflects the severity of cellular damage they carry. Organ meats are particularly important for this group (see Food Protocol above). Some of these individuals, on the extreme end, have gone from 98 pounds and 5'10" to 260–280 pounds, representing the body's urgent and massive demand for fat stores to begin safely externalizing the poisons that had been lodged inside cells for decades. "These people have to have a tremendous amount of fat to be able to hold that fat once it leaves the cell, or else it will cause more damage throughout the system."

Weight Loss After Gaining, 6 to 7 Years for Some

For individuals who accumulated significant weight before beginning the diet and then continued gaining on the initial stages of the diet, the reversal to a leaner but still fat-rich physique can take 6–7 years: "Seven years before she started losing the weight. Her husband was the same way. He had to be on the diet six years before he was able to lose the weight." This refers to a former Olympic gymnast who went from approximately 98 pounds to 300 pounds after falling ill at 26, and her husband who underwent a similar trajectory.

Aajonus's Own Multi-Decade Progression

He maps his own fat levels across decades as evidence of the gradual nature of the process: - During his earliest illness and recovery: 30–32% body fat, deliberately maintained. - From 1977 onward: gradual reduction in maximum levels as old fat was replaced. - Later years: oscillating between 16–18% (his minimum, which he associates with irritability and vulnerability) and 22–26% (his preferred maintenance range). - His waist: formerly going no lower than 33 inches, now going down to 29–30 inches while still maintaining 22–26% body fat. "I used to have a 38-inch waist. Now the highest I go up to is 37. I used to go down to no lower than 33. Now I go down to 30. But it's been a process. The healthier I get, the less fat my body wants to store on it." - His fat molecule quality, tracked under electron microscope: progressively smaller over the decades as old cooked and vegetarian fats are replaced by pure raw animal fat molecules.

The Preferred Maintenance Window

"I like to stay 22% to 23% body fat." This is his long-term maintenance target. Below 18–19%, he becomes irritable and vulnerable. Above 30%, he considers himself in an active recovery or protection mode. He has been as high as 30–32% during acute illness and considers that a healthy and appropriate response. He is not concerned about reaching 30%+ during healing crises.

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