Dr. Tracy’s Healthy Detox Primer – Part I

Detox Primer – Part I
By: Tracy L. Hackett, AP DAOM

The body performs natural detoxification processes all on its own, 24/7. We can help these processes along when organ function becomes overtaxed or sluggish, but how do you know when it’s appropriate to do so?

Understanding the Body’s Detoxification System

The body’s detoxification pathways involve multiple organs working together to neutralize, transform, and eliminate toxins, metabolic waste, and harmful substances. Below is a concise explanation of the detoxification roles of the lungs, skin, liver, kidneys, lymph, gastrointestinal tract, and spleen, based on their physiological functions. Hopefully this article will help you understand your body better.

1. Lungs

1. Lungs have a role in detoxification: The lungs primarily detoxify by removing volatile toxins and gases from the body through respiration. Did you know that one of the biochemical byproducts of burning fat is CO2?
When you exhale carbon dioxide (CO2), you release a metabolic waste product from cellular respiration, volatile organic compounds (VOCs) and other gaseous toxins (e.g., alcohol vapors) via exhalation. Your body also filters airborne particles through mucus and cilia in the respiratory tract, which are then coughed up or migrate to the stomach.

The gas exchange in the alveoli (at the natural ends of the bronchioles) facilitates the removal of gaseous waste, while mucociliary clearance traps and removes particulate matter.

Toning Lung Health and Encouraging Detoxification: Pranayama. The controlled breathing techniques of ancient yoga traditions of India aid multiple levels of reregulation of mind-body-spirit, not just clearing sinuses and lower lobes of the lungs, but also toning your lungs and diaphragm. Dr. Hackett can help you get started with this practice. She studied with yoga therapists from Vivekananda Kendra in South India to learn the nuances of these practices.

2. Skin

Your skin acts as a barrier and eliminates toxins through sweat and sebum, but it also respires. It is a barrier that is permeable, with molecules absorbed and excreted/secreted both ways. Remember, 70-80% of whatever substance you put on your skin is absorbed into your bloodstream, for better or worse. Read the labels of your health and beauty products like you would your food.
Through Sweat glands, your skin excretes water, electrolytes, urea, and small amounts of toxins (e.g., heavy metals like arsenic or mercury) during perspiration. Sebaceous glands release sebum, which can carry lipid-soluble toxins out of the body. When your body sheds of dead skin cells removes trapped environmental pollutants. Regular hydrotherapy (contrast therapy) and exfoliating treatments are not vanity spa treatments, but actually important health maintenance rituals.

Mechanism: Sweat and sebum act as vehicles for excreting water- and fat-soluble compounds, respectively, while the skin’s barrier function prevents toxin entry.

The texture and health of your skin and skin conditions and diseases reflect the state of internal organ health and endocrine regulation. When your kidneys are overtaxed, the next organ of elimination is your skin. Do you have strong body odor or yellowing stains at your armpits? If so, your kidneys need a bit of support. Skin diseases/conditions respond well to kidney detox support, as well topical herbal-based preparations. The kidneys and skin can be damaged by using the wrong herbs at the wrong dosages. Dr. Hackett can design a protocol that is appropriate for your needs, inside and out. It’s best not to spitball or TikTok this one.

3. Liver

The liver is famously targeted as the primary detoxification organ for the latest detox-du-jour on the socials. Your liver neutralizes and transforms toxins for elimination that is facilitated by the proper natural bile flow, which is essential to maintaining good liver and overall digestive health.
Often starting at middle age or with hormonal disruption, some people (particularly women) notice “gallbladder” symptoms. If you feel very full or bloated after a heavy meal, nausea, epigastric discomfort or sudden vomiting after eating fatty or rich foods, it is unlikely that it is reflux. Your liver needs some real, functional help. Additionally, if you have been diagnosed with a fatty liver, your liver enzyme levels are elevated or you have chronic skin conditions, Dr. Hackett can help you find better balance with a protocol that suits your specific case.

Your Liver’s Role in Detoxification:
Phase I (Biotransformation): Cytochrome P450 enzymes oxidize, reduce, or hydrolyze toxins (e.g., drugs, alcohol, pesticides) to make them more water-soluble or reactive.

Phase II (Conjugation): Toxins are conjugated with molecules (e.g., glutathione, sulfate, glucuronide) to become less toxic and more easily excreted.

Excretion: Processed toxins are secreted into bile for elimination via the gastrointestinal tract or into the bloodstream for kidney filtration. Mechanism: Hepatocytes (liver cells) metabolize toxins, and bile ducts transport conjugated toxins to the intestines.

Liver Detox cleanses are not created equally and not all are necessarily helpful. Dr. Hackett firmly asserts that there is no need to “push” or overwhelm your liver and gallbladder to purge; that approach actually creates unhealthy stress your organs. Healing is a process and so should be detoxification support. A gentle, thoughtful protocol that suits your specific pattern of health will be easier to add to your wellness routine and not disrupt your life.

4. Kidneys

Your kidneys perform so many different functions that help maintain your overall basic bodily functions, including your heart. TCM differential diagnosis has held the relationship between heart and kidneys as essential to balanced health for centuries.

Biomedical view:
Kidneys regulate osmolarity (solute concentration) and extracellular fluid volume mainly through ADH-mediated water reabsorption and the RAAS (renin–angiotensin–aldosterone system) for sodium/volume control. This directly shapes blood volume and pressure, which determine cardiac preload, afterload, and workload. Conversely, adequate cardiac output is required for renal perfusion; reduced output activates RAAS/ADH, promoting fluid retention that further burdens the heart (cardiorenal interaction).

Role in Detoxification: Your kidneys filter blood and excrete water-soluble toxins and metabolic waste through urine. Filtration in the glomeruli removes waste products (e.g., urea, creatinine) and toxins from the blood. Reabsorption and secretion in the nephrons regulate which substances are retained or excreted. The excretion of water-soluble toxins, excess electrolytes, and nitrogenous waste via urine.

The nephrons of your kidneys filter approximately 180 liters of blood daily, concentrating toxins into urine for elimination. Your kidneys are quiet, work horses of keeping your systems balanced. It is only with significant decline in function that it starts to show up on your lab work.

TCM interpretation:
In Traditional Chinese Medicine the Kidneys (Shen Men. “Spirit Gate”) are the foundation of Yin and Yang and “govern the water element”, controlling the transformation, distribution, and excretion of body fluids. The Heart (Xin) belongs to Fire and houses the Spirit (Shen); it relies on Kidney Water to keep Heart Fire from becoming excessive and overtaxing the organ and helps ground the spirit.
From a disease or dysfunction perspective, Heart–Kidney “not communicating” (“Xin Shen Bu Jiao”) is a classic TCM pattern in which the physiological communication between Heart Fire and Kidney Water is dysregulated, resulting in various outward expressions of health imbalance. Normally, Kidney Water ascends to nourish and cool the Heart, while Heart Fire descends to warm the Kidneys, keeping Fire and Water in balance and the Spirit (“Shen”) anchored. When this axis is disrupted, relative excess or deficiency appears at either pole. Healthy physiology requires free communication between Heart Fire and Kidney Water (*Xin–Shen jiao ji*). When this axis is harmonious, fluid metabolism remains balanced and the Spirit is calm.

Main Patterns

1. Kidney Yin deficiency with Heart Fire pattern (most common form) is when the Kidney Yin fails to ascend and restrain Heart Fire, allowing empty Heat to rise. This is the classic “Fire above, Water below” picture:

Typical Symptoms:
– Insomnia or restless sleep with frequent dreaming, waking easily
– Palpitations, anxiety, mental restlessness, irritability
– Low-grade afternoon or evening heat, night sweats, five-center heat
– Dry mouth/throat, thirst for small sips
– Low back/knee soreness or weakness, tinnitus, dizziness
– Red tongue tip or red tongue with little coating; thin rapid pulse (or thready rapid)

2. Kidney Yang deficiency with Water overflowing pattern
The Kidney Yang is too weak to transform and move fluids or to warm the Heart. Water (or Phlegm-Fluid) can then rebel upward and constrain Heart Yang. This pattern reveals that the problem is more “Water failing to be transformed and rising to insult the Heart.”

Typical Symptoms:
– Palpitations or a feeling of the Heart being “smothered,” shortness of breath
– Edema (especially lower limbs), scanty urine or urinary difficulty
– Cold limbs, aversion to cold, low back coldness and soreness
– Listlessness, clear watery sputum or frothy saliva in some cases
– Pale, swollen tongue with white slippery coating; deep weak or deep slow pulse

3. Mixed or complex presentations
– Simultaneous Kidney Yin and Yang deficiency (common in chronic or elderly cases) producing both deficient Heat symptoms and cold/fluid signs.
– Involvement of other organs: Liver Yin/Blood deficiency aggravating the Heart–Kidney axis, or Spleen Qi/Yang weakness contributing to fluid accumulation.
– Phlegm or Blood stasis complicating the picture, especially when the pattern is long-standing.

Common Etiology (Causes):
– Chronic overwork and stress, excessive mental strain, or long-term anxiety creating long-term elevated cortisol levels that deplete Heart and Kidney resources (Yin).
– Constitutional Kidney weakness or aging
– Prolonged rheumatic or inflammatory disease (Heat syndromes) damaging Yin
– Excessive sexual activity or reproductive strain depleting Kidney essence
– Emotional shock or sustained fear (which injures the Kidneys) combined with worry or overthinking (which agitates the Heart)

Do you see the similarities?
– Kidney Yin deficiency fails to anchor and cool Heart Fire → relative Heart Fire rises, disturbing the Spirit and often accompanied by dryness or concentrated fluids.
– Kidney Yang deficiency fails to warm and transform water → fluid accumulates or “overflows,” which can constrict or burden the Heart.
– Prolonged disruption of this Heart–Kidney relationship is classically linked to patterns of restlessness, palpitations, edema, or disordered fluid balance (hypertensive symptoms)—the TCM counterpart to the modern cardiorenal and osmolarity axis. Both frameworks describe an interdependent Heart–Kidney axis that maintains fluid homeostasis through different conceptual languaging.

The kidneys respond well to intermittent and minimally doses herbs and supplements. Keep in mind that your kidneys can easily be damaged by using the wrong herbs at the wrong dosages. Too many supplements everyday can tax your kidney function as well; more is definitely not better. Dr. Hackett can design a protocol that is appropriate for your needs. It’s best not to spitball or TikTok this one.

5. Lymph

The lymphatic system is a network of vessels, nodes, and organs that helps maintain fluid balance, transport fats, and support immune function by filtering waste and pathogens. Unlike the circulatory system, it has no central pump and relies on movement, breathing, and muscle activity to circulate lymph. Interest in “lymphatic detoxing” often stems from the idea of reducing congestion or supporting natural clearance, though the body already handles detoxification primarily through the liver, kidneys, and immune processes. Evidence for targeted herbal “detox” protocols is limited and mostly traditional or anecdotal.

Role in Detoxification: The lymphatic system supports detoxification by transporting toxins and waste from tissues to the bloodstream for processing. Process: Lymph fluid collects cellular debris, pathogens, and toxins from interstitial spaces. Lymph nodes filter this fluid, where immune cells (e.g., lymphocytes, macrophages) neutralize pathogens and remove debris. Transports fat-soluble toxins (e.g., from the gut) via lymph vessels to the liver for processing. The detoxification process is an ancillary one related to supporting your kidney and liver function, so there is no direct detoxification protocol for your lymphatic system, per say.

Mechanism: Lymphatic circulation moves waste to lymph nodes and eventually to the bloodstream, where toxins are directed to the liver or kidneys. Several plants have long histories in herbal traditions for supporting lymphatic flow or mild immune modulation and are typically prepared as teas, tinctures, or standardized extracts. Chlorophyll or chlorella contain proteins that can help bind out toxins with Vitamin C and Zinc which aids in ‘cleansing’ lymphatic fluid. Homeopathic medicines are effective for ‘dredging’ the deeper levels of the ‘water’ of the body. That is a very large topic and will be explored in future articles.

Everyday habits that promote lymphatic flow include:
– Lymphatic Drainage massage therapy (make sure that you see an LMT that specializes in the technique).
– Regular walking, rebounding, or yoga with twists and deep breathing
– Adequate hydration (with electrolytes)
– Dry brushing (gentle strokes toward the heart)
– Avoiding prolonged inactivity
No supplement has robust clinical proof of “detoxifying” the lymphatic system specifically. Results claimed online are often subjective (less bloating, clearer skin, improved energy) and can overlap with improved hydration, diet, or movement. The reason it is mentioned here is to create awareness about how many systems are involved in your bodies normal detoxification processes.

6. Gastrointestinal Tract

The GI tract is obviously your main pathway for the ultimate elimination of metabolic waste and toxins via feces. That system also prevents their reabsorption; underscoring how essential GI integrity is and the importance of peristalsis regularity. Leaky Gut is clearly essential to treat early and quickly.

The process: The gut microbiota metabolizes certain toxins, breaking them down into less harmful compounds. The intestinal lining acts as a selective barrier, preventing toxin absorption while allowing nutrient uptake. Toxins processed by the liver are secreted into bile, enter the intestines, and are excreted in feces. Peristalsis and mucus help trap and expel undigested waste and toxins.

Mechanism: The colon consolidates and eliminates waste, while most of the intestine neutralizes pathogens. The second brain of your body, the immune system, lives and functions in your gut. Most of your neurotransmitters are made in your gut as well as the assimilation of almost all nutrients happens there as well. You really are what you eat.

7. Spleen

The spleen is the largest organ of the lymphatic system. It is not a primary detoxification organ like the liver or kidneys, but it performs important filtering and immune system tempering functions that contribute to clearing metabolites from the blood by filtering blood, damaged cells, pathogens, and toxins. Process: Filters blood to remove old red blood cells, cellular debris, and circulating pathogens through macrophage activity.

The spleen continuously filters circulating blood, removing aged or damaged red blood cells, cellular debris, and certain pathogens. Iron is recycled, and the cleaned blood is returned to the circulation. It also recycles iron and other compounds from aged-out red blood cells, reducing metabolic waste.

The spleen has an immune function through its lymphoid tissue that detects antigens, supports B- and T-cell responses, and helps clear bacteria and other microbes, especially encapsulated organisms.

The relationship of the spleen to the lymphatic system is inherent. Although the spleen filters blood rather than lymph, it is anatomically and functionally part of the lymphatic system. It produces lymphocytes, stores immune cells, and participates in systemic immune surveillance. Lymph nodes filter lymph fluid; the spleen performs a parallel filtration role for blood.

The spleen supports “detoxification” mainly by clearing cellular waste and supporting immune clearance of pathogens, rather than by metabolizing chemical toxins. There is no direct protocol for “detoxing” the spleen. There are herbs and supplements that encourage the function of the overall system of detoxification that it is a part of.

TCM perspective of the Spleen’s Function in Detoxification

In Traditional Chinese Medicine the Spleen (“Pi”) is a functional system belonging to the Earth element. It is not identical to the anatomical spleen. Its core functions are:
– Governing transformation and transportation of food essences and body fluids.
– Producing Qi and Blood (postnatal essence, “Jing”).
– Controlling the upward movement of the pure (assimilation of nutrients) and the holding of Blood (immune functions).

Role in fluid metabolism and “detoxification”
The Spleen is regarded as the primary organ that transforms and moves fluids. When Spleen Qi is strong, fluids are properly distributed and excess water is sent downward for excretion. When Spleen Qi is weak, fluids accumulate and transform into Dampness or Phlegm—pathogenic factors that TCM considers internal “toxins” or turbid substances. This energy pattern dysfunction is related to metabolic diseases as well.

The Spleen’s detoxification function is mainly preventive and transformative:
– Maintaining clear fluid metabolism so that Dampness and Phlegm do not accumulate.
– Supporting the production of clear (nutrients) Qi and Blood while separating the turbid (wastes).
– Working together with the Lungs (diffusion of fluids), Kidneys (governing water), and Triple Burner (“San Jiao”) to keep the fluid pathways circulating properly.

Weak Spleen energetics are foundational in the patterns of Dampness accumulation, Phlegm accumulation, edema, or a heavy, foggy sensation that can be correlated to impaired lymphatic or fluid clearance, in modern terms.

Summary of the two views:
– Biomedically, the spleen is a blood-filtering lymphatic organ that clears cellular debris and supports immunity.
– In TCM, the Spleen is the central organ of fluid transformation; its strength prevents the formation of Dampness and Phlegm supporting the body’s ability to keep internal fluids clear.
The two frameworks address related but distinct concepts: one anatomical and immunological, the other functional and energetic.

Summary of Detox Functions:

The liver and kidneys are the primary organs for metabolizing out and excreting toxins, with the liver handling chemical transformation and the kidneys filtering blood. The lungs and skin provide secondary routes for eliminating volatile and water-soluble toxins, respectively. The lymphatic system and spleen support detoxification by filtering tissue fluid and blood, respectively, and aiding immune responses. The gastrointestinal tract serves as the final pathway for excreting liver-processed toxins and preventing toxin re-absorption.

Smart and Intentional Detoxification as a Longevity Tool
With TCM and functional medicine, organ health isn’t just maintenance, it’s about thriving with energy and balance for years to come. It’s obvious that the body’s detoxification process is complex, involving multiple systems pathways. It is possible to support all of them as a matter of maintenance (i.e., light, specific dosing a few times per week or month). It is typically unnecessary to do strong-push detoxification programs. They can create more stress on your organs or have a toxifying effect if the dosages are extremely high for too long or too frequent.

Dr. Hackett scales dosages of supplements and herbal medicine against the amount of normal nutrition that we take in from healthy, whole foods. Your body usually needs a light nudge rather than a massive push to encourage healthier detoxification. Massive push dosages are stressors also. There are cases where higher doses are warranted, but they are tapered immediately as symptoms improve. All dosages are tapered to maintenance levels depending upon progression of improvement to better overall vitality and healthy organ function.

Dr. Hackett also helps you navigate your individualized protocol so that listening to your body rhythms becomes a normal, reasonable part of your health maintenance and longevity such that you know what you need by noting subtle changes as cues to add or set aside herbs or supplements. A simple example is cold or allergies onset. She has many options for getting ahead of those conditions before they derail your plans. There is no need for a ritualized practice that requires the attention of a pet to maintain wellness, rather it should be a seamless segment of your lifestyle that creates MORE space for living your life and having fun. Detoxification support is just one piece to your overall longevity management plan.