If someone told you that you own a unique metabolism that is designed to thrive on particular foods and macronutrient ratios, how would you react?
Would you be shocked?
Have you ever wondered why no one diet works for everyone?
How do some people get healthy and lose weight on a low-carb, while others on a high-carb diet?
Is there a possibility that every body is genetically designed to function differently when it comes to its metabolic efficiency and “style of function”?
The answer is yes and the proof of this can be witnessed on the thousands of traditional, indigenous tribes, which have thrived throughout millennia by consuming completely different types of foods and food combinations.
The Complexity of Nutrition
If you’ve been following the natural health movement for some time, you have probably witnessed the dramatic changes happening in the world of nutrition.
Different kinds of innovative diets promising to help people lose weight, gain muscle, reverse chronic disease, extent human lifespan and provide unlimited energy, come and go in regular intervals, baffling the public and creating massive amounts of confusion.
Typical examples include: Ketogenic, Vegan, Raw Vegan, Paleo, Carnivore, Raw Carnivore, Raw Primal, Fruitarian, Vegetarian, Pescetarian, Flexitarian, Specific Carbohydrate Diet, The Anabolic Diet, Low FODMAP, Vertical Diet, etc.
The field of nutrition appears to be not unlike the fashion industry, where everything is continuously in flux, and trends come and go from one day to the next.
This worldwide obsession over nutrition is widely attributed to the fact that most people strive to look younger, perform better, stay healthy and live longer.
Most usually, however, the public’s initial enthusiasm for the latest diet or superfood remains high only to plummet a few months or years later, as the ugly truth slowly unfolds.
The biggest reason most people get disappointed over this diet or the next is that their fundamental perception of how specific foods or nutrients should work in the body is erroneous in the first place.
How most people expect these nutrients and diets to affect their health and performance is fixed and absolute.
Black and white, so to speak.
Most health-conscious individuals hold the belief that a specific food carries a particular effect, regardless of who consumes it.
For example, if they find that a particular nutrient helps with eczema, they believe that this nutrient is beneficial to all people suffering from eczema.
But, when they witness individual cases of people not getting any positive, therapeutic effects from that nutrient, they believe that something else is to blame.
Even though most humans overlook the fact that health is a multifactorial “entity”, they also tend to discard a nutritional approach as useless, if its effects are not consistent from person to person.
Due to their lack of knowledge on the basics of human physiology and metabolism, they experience frustration and desperation when a food or a diet doesn’t showcase a predictable, positive pattern or clinical performance.
In essence, the scenario is the same every time: A new, unconventional diet or remedy suddenly appears and looks extremely promising for a period of time, but ultimately fails to deliver for a big portion of the population.
As a result, more and more people lose their interest and faith in the diet, and many times, in nutritional science overall.
However, the elementary truth is that all foods behave differently on each human system, since its metabolic type and genetic characteristics are unique.
That biochemical deviation from person to person can be referred to as biochemical individuality.
Most Health Experts Support a Standardized Approach to Nutrition
Most integrative healthcare professionals, authoritative figures and best-selling authors dismiss the reality of metabolic individuality.
99% of them hold that everyone should be on the same, “perfect” diet, which might be anywhere from vegan to low or zero carb- usually the diet that they have found to work best for them.
Most nutrition books also list “cookie-cutter” or one-size-fits-all solutions for various kinds of chronic health disorders.
They typically suggest the use of particular vitamins, minerals, and trace elements with some books also including lists of certain foods and herbs.
Yet, the information they offer is always “nutrient specific”, not “patient-specific”.
In other words, there’s never any consideration of the concept that the behavior of a given nutrient may vary significantly from person to person, depending on it metabolic type and characteristics.
They reject the notion that otherwise “healthy” diets or nutrients can actually make some people’s health worse- much worse.
In this way, people don’t realize that the benefits of any particular diet or nutrient do not apply to everyone.
In the world of nutrition, every nutrient or food can be good or bad depending on the context, a.k.a the metabolic type of the person who consumes it.
That’s why it’s critical for anyone serious about his/her health and well-being, to be evaluated and advised on the basis of their metabolic individuality.
And also why it can be so unproductive, and even harmful, when people receive generic, “one-size-fits-all” dietary and supplement recommendations.
On top of that, most clinicians in practice today have no substantive ability to develop patient-specific nutritional protocols.
They’re most often limited to offering “cookie-cutter” or generic solutions, which explain the mixed results they get with their treatment programs.
They also don’t realize that people who experience great benefits from a particular nutrient or food have unknowningly chosen a nutrient or food compatible with their individual metabolic and genetic profile.
Otherwise, the same nutrient or food would have no effect on their health status, or would even make it worse.
Another important consideration is that the uncertainty involved with the use of generic nutrition protocols is so great that even when clinicians get lucky and get good results with someone, they don’t know why they are getting these results.
They may assume it’s due to the collective value of the nutrients in the protocol, but this can’t explain why they so often get neutral or bad results in other patients, applying the exact same protocol.
If you’ve had any real, open conversation with your doctor(s), then you know this undeniable truth- There is not a single health practitioner – anywhere – using clinical nutrition who would not have to admit that what works on one person who comes through his door doesn’t work on another.
How Individual Nutrients Affect Metabolism
Human metabolism is regulated by a set of highly precise homeostatic control systems that detect and respond to changes in the internal environment.
The composition of the internal environment is tightly controlled, and this fairly constant state of “check and balance” is called homeostasis.
Virtually all nutrients do influence the homeostatic control systems of the body in one of the following ways:
- They either stimulate or inhibit one side or another of a control mechanism. That means that a given nutrient might stimulate the sympathetic side of the autonomic nervous system (ANS), while inhibiting the parasympathetic side.
- They produce either an alkaline or acidic effect in the body’s pH.
- They increase or decrease the cellular oxidation rates, by affecting specific organs and glands responsible for intracellular energy production.
Every single nutrient has a very particular and precise effect on the body’s homeostatic control mechanisms.
These minerals can exert completely different biochemical influences on different people (depending on their metabolic type), even on individuals who exhibit identical symptoms or diseases.
An other example is choline, a chemical compound belonging in the B-complex family.
Choline is the main precursor to the parasympathetic neurotransmitter acetylcholine and has been found to increase brain performance and memory, support the nervous system and improve liver function [1, 2, 3].
However, choline also slows down the rate of cellular oxidation.
If someone with an already slowed metabolism (slow oxidizer) takes choline, it will not only worsen that person’s metabolic function, but it may lead to issues, such as constipation, weight gain, fatigue, depression, and slowed cognitive performance.
All chronic diseases have one thing in common. They involve an imbalance in one or more of the fundamental homeostatic control mechanisms. These mechanisms regulate all the biochemistry of the human body.
They have to be evaluated in terms of the broad physiological context in which they operate.
They shouldn’t be expected to produce positive or negative clinical benefits, unless they’re tailored to someone’s unique biochemical profile.
What does this mean?
That there are all kinds of opportunities for any given nutrient to worsen a person’s health condition by creating new biochemical imbalances or exacerbating existing ones.
That’s why it’s never a good idea to toss a fistful of “beneficial” nutrients at a clinical problem, like throwing a handful of dirt at a wall based on the notion that some of it wil stick.
Unfortunately, as hard as it may be to believe, this is the exact clinical strategy upon which modern nutritional science is currently based.
Clinicians who take into consideration the metabolic individuality factor in their practice, observe the variability of nutrient effects over and over again, with virtually every nutrient, in virtually every chronic disease category.
Applying a metabolic specific approach to nutrition for any period of time exposes the biggest gap in contemporary medicine and nutritional science- That a one-size-fits-all nutritional or even pharmacological approach to disease is most often useless, and many times harmful to the patient.
Calcium Homeostasis: A Big Difference Between Metabolic Types
Calcium is the most abundant mineral in the human body.
It plays a key role in bone and teeth formation and regeneration, vascular contractions and vasodilation, muscle function, nerve transmission, connective tissue integrity (cartilage, tendons, etc.), intracellular signaling, and endocrine function .
It’s also frequently used as a supplement for conditions like osteoporosis, heart disease, Crohn’s disease and IBD (since these patients can’t absorb nutrients properly), as well as given to people undertaking corticosteroid therapy for prolonged periods.
However, calcium stimulates sympathetic firing in the human body.
If it’s given to someone with osteoporosis who also happens to be a slow oxidizer or sympathetic dominant type (carb efficient metabolism), calcium will not only degrade that person’s bone health and increase the rates of potential fractures, but will also induce hyperactivity, anxiety and nervousness, mild to moderate constipation and insomnia.
Contrary to popular belief, osteoporosis is not necessarily the result of a calcium deficiency.
It many times develops due to a dysfunction or inefficiency of the body’s ability to metabolize calcium, along with specific endocrine dysfunctions.
These people, for example, should include lots of quality raw dairy into their diet, such as raw cheeses, yogurt, and raw milk (preferably not cow’s milk).
For other people, such as slow-oxidizers or sympathetic dominants (Carb efficient metabolizers) dysfunctional calcium metabolism is shockingly the result of abnormally high concentrations of calcium in the body.
How is this possible?
This calcium excess occurs in relation to synergistic nutrients, meaning that other nutrients that calcium requires for proper utilization are missing from the person’s body.
This in turn accelerates the rate of calcium loss from bone tissue, where it should be held.
Of course, calcium is not the only nutrient that exerts that effect.
Let’s look at magnesium, for instance.
It is also a typical component of osteoporosis nutritional protocols, but it does the exact opposite to the human body.
If you suffer from osteoporosis and you happen to be a sympathetic dominant (carb efficient metabolizer), you’d get better with magnesium.
That means you should definitely incorporate lots of leafy greens, nuts, seeds, and some grains into your diet, all of which constitute excellent sources of the mineral.
But if you happen to be a parasympathetic dominant (protein efficient metabolizer), magnesium could make your osteoporosis worse.
That’s because in fast oxidizers or parasympathetic dominants, magnesium further amplifies their already fast metabolism and stimulates their already strong parasympathetic nervous system, exacerbating their metabolic imbalance.
On the contrary, in slow oxidizers or sympathetic dominants, magnesium works to increase their slow oxidative rate and stimulates their genetically weak parasympathetic system, helping them improve and get better.
In essence, any nutrient that works to correct one type of imbalance or help one person with a specific metabolic type, is not necessarily going to correct some other type of imbalance or help another individual with a different metabolic type.
This is why all generic nutritional protocols may be considered hit-or-miss solutions.
And why “cookie-cutter”, one-size-fits-all diets, like the carnivore diet or the vegan diet, can be a real “toss of the dice” from a biochemical standpoint.
From these facts alone, one may conclude that it makes little or no sense for a health professional to recommend a batch of nutrients to someone, just because these nutrients happen to have demonstrated some degree of clinical efficacy for a given health problem.
The Role of Metabolic Type-Specific Nutrition
All patients who suffer from chronic disease are in some way or another toxic and nutrient deficient.
That toxicity and nutritive undernourishment have weakened their body, making it more susceptible to all kinds of diseases and infections, and setting in motion a physiological catch-22 problem.
Since their body’s cellular efficiency has become compromised and inadequate, their digestion and nutrient absorption capabilities have also diminished.
Their weakened digestion further exacerbates their cellular insufficiency and in turn, the insufficient cells continue to create more problems and impairing digestive capacity even more.
In order for human beings to be healthy, they need to obtain specific kinds of foods and food combinations that enable their cells to function at peak efficiency.
Another critical thing for them is to be hitting a specific range of macronutrients each day – the balance of protein, carbs, and fat – that supports their unique style of metabolic function.
Many people, especially younger generations, despite following what many health professionals would consider a “healthy, balanced diet”, still can’t make any substantive progress in their health.
This means that they can follow a high-quality diet, for example, consisted of healthy foods like fresh vegetables, whole grains, and organic meats, but still fail to flourish, simply due to the fact that they are unknowingly consuming foods not compatible with their body chemistry.
This sad reality is why good health remains out of reach for so many people today, even those who struggle daily to live a healthy lifestyle.
NOTE: A failure to obtain the right kinds of foods and food combinations appropriate to your metabolic type leads to cellular inefficiency. This triggers a cascade of biochemical events that lead to weaknesses and deficiencies throughout the body, increasing the likelihood of developing chronic conditions of various types.
It recognizes that the only truly effective way to stop the degenerative process and restore robust health is by starting consuming a metabolically appropriate diet.
That means a diet that supports your specific inherent weaknesses and imbalances.
Of course, the first step is to identify the appropriate diet, and that can be done only by looking beyond a patient’s symptoms and exploring 3 crucial questions:
1) How is his/her body genetically designed to utilize specific foods and nutrients?
2) What imbalances exist within his/her fundamental homeostatic control systems (i.e., autonomic imbalance, oxidative imbalance, endocrine imbalance, etc)?
3) What is his/her metabolic type?
The answers to these questions would tell us what kinds of foods and nutrients someone would need to build his/her health from the cellular level up.
In this way, we could do much more than recommend nutritional remedies designed to alleviate symptoms.
Through metabolic type identification, we will be able to know how to provide someone with a strong nutritional foundation that his/her body could use to regulate, rebalance and rebuild itself.
Only in this way can someone be able to move beyond incomplete solutions and find meaningful, comprehensive nutritional support for his/her weak and debilitated body.
With a metabolically appropriate diet the person will finally turn the process of degeneration into a process of regeneration.
In Metabolic Body, we use a specially targeted metabolic type questionnaire to collect all kinds of data pertaining to a patient’s physical, structural, emotional, psychological and behavioral characteristics- his / her unique metabolic traits.
This data constitutes a form of “biochemical map” to us that has nothing to do with symptoms but instead reveals a great deal about a person’s metabolic individuality.
After the metabolic type evaluation phase is complete, we proceed to the prescription of specified individualized protocols regarding diet, supplements, and lifestyle.
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Metabolic Type Diet Plan
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About George Kelly
George Kelly M.Sc is a Sports Nutritionist, Functional Nutritional Therapy Practitioner (FNTP), and Metabolic Type expert. He is the CEO and lead author of Metabolic Body.