@JustinMihaly@DNewsome77 you dont have a single argument for what i pointed out, and that is the logical inconsistency in your post and statements above. no worries there seem to be enough people thinking you are smart. good for you.
@JustinMihaly@DNewsome77 yeah you showed your competence by saying to leave out whey because of calcium:phosphate ratio and then saying in the comments that your main protein source is meat, which no matter the type has a much worse ratio. and then you dont even acknowledge the goat as the source for it
@DNewsome77@JustinMihaly the principles he mentions are all correct and important and come from the work of dr. ray peat. you can find a lot on x about it. but he frames it too one sided in this case imo.
@DNewsome77@JustinMihaly can only say what i am doing, not recommending anything. but yes, and pure glycine even tastes a little sweet. but its more about general daily balance. the more muscle meat you eat - the more glycine/gelatin/collagen to balance throughout the day. +glycine has much more benefits
@angerannt probier mal protein + fett + saft/fruechte zb. ei mit avocado und orangensaft(ohne brรถtchen)
magnesium bisglycinat und mineralreiches wasser wie gerolsteiner oder staatl. fachingen trinken (hoch bioverfuegbares magnesium + calcium).
HOW THE TYPICAL COLD PLUNGE SUPPRESSES THYROID HORMONES AND RISKS CARDIAC ARRHYTHMIA
A cold plunge is often sold as a metabolic accelerator. The story goes that brief icy immersion activates brown fat, turning the body into a calorie-burning furnace that keeps revving long after you dry off. That narrative leaps from a kernel of truth to a promise that the underlying physiology does not support.
The reality of brown adipose tissue is far less dramatic. Scans of nearly two thousand people at comfortable room temperature found active brown fat in only 7.5% of women and 3.1% of men.
Under direct cold stimulation most young men do show brown fat activity, but the problem is not whether the tissue can switch on. It is how little of it exists even when it is active.
Studies testing daily cold water immersion at 17ยฐC for two hours over 6 weeks revealed a modest loss of body fat. Yet the participants' baseline resting metabolic rate did not increase at all. If brown fat truly rewired metabolism, that number would have climbed. The calories burned during the chill vanish when the skin warms back up.
The shivering itself drains energy through a brute-force process. Muscles contract rapidly to generate heat, and in some animals a protein called sarcolipin uncouples calcium pumping, wasting cellular fuel as warmth.
Humans rely less on that futile cycle and more on raw mechanical shivering, which burns through ATP at a furious pace only while the cold lasts. The metabolic cost is a temporary line of credit the body repays the moment shivering stops, without any lasting dividend.
A deeper problem is the acute stress response cold water triggers. Norepinephrine can spike by over 500% and dopamine by 250%, while metabolic rate jumps 350% during the exposure. That hormonal flood directly blocks the conversion of the storage hormone T4 into the active T3 that powers your cells.
In animal research, two hours of cold at 4ยฐC cut deiodinase activity inside the thyroid gland by 40%. In human kidney cells, glucocorticoids suppress T4-to-T3 conversion in a dose-dependent way, and in liver cells inflammatory signals shut down the gene for the converting enzyme. The pattern is consistent. High stress hits thyroid function hard.
Beyond endocrine suppression, whole-body ice plunges introduce severe cardiovascular hazards regardless of posture. Submerging the torso while keeping the head out forces hydrostatic pressure to squeeze venous blood into the central chest while alpha-adrenergic vasoconstriction drives blood pressure upward against un-pressurized cerebral vessels.
If cold water splashes the face or if a breath-hold occurs, trigeminal cold receptors trigger the parasympathetic diving reflex against a sympathetic adrenaline surge, creating autonomic conflict and dangerous cardiac arrhythmias.
Conversely, submerging the head completely triggers an involuntary gasp reflex that poses an immediate drowning hazard alongside violent intracranial pressure spikes. Whole-body ice plunges offer no safe posture.
Some data shows that repeated cold exposure can dull the cortisol spike over weeks. In one twelve-week study of winter swimmers, post-session cortisol normalized after the first month, yet norepinephrine kept surging every time. That means the sympathetic nervous system stays locked in a low-grade fight-or-flight mode.
Chronic norepinephrine elevation is catabolic, not restorative, and for anyone with low thyroid function or high life stress it risks further endocrine suppression and energy depletion. The brown fat myth, the shivering cost, the thyroid suppression, and the cardiac risk together reveal whole-body cold plunges as an unmitigated metabolic and cardiovascular stressor.
A set of practical bioenergetic strategies is detailed in Part 2, with a concise action cheat sheet in Part 3.
Understanding Cellular Hydration and the Hidden Cost of Empty Water
Your cells don't need more water. They need the right kind of water.
The standard advice tells you to drink eight glasses daily, regardless of thirst. Clear urine means optimal health. Your body's signals can't be trusted. This guidance sounds reasonable until you examine what happens inside your cells when mineral-free water floods in.
Water enters your cells through specialized protein channels called aquaporins. These channels act as narrow gates, allowing only water molecules to pass through in single file. When you drink plain water with almost no dissolved minerals, you create a massive difference in concentration between the water outside your cells and the fluid inside them.
Your cells maintain a specific concentration of dissolved substances, around 290 milliosmoles per liter. Pure water sits near zero. This difference drives water molecules to rush into your cells through those aquaporin channels. The influx isn't gentle. It's an osmotic flood that swells your cells and dilutes everything inside them.
The cell faces a choice: adapt or rupture. It chooses adaptation through a process called regulatory volume decrease. But this survival mechanism comes with serious costs.
To reduce swelling, your cells must dump water back out. They do this by releasing minerals. Specific channels in the cell membrane open up, allowing chloride ions to escape. This loss of negative charges triggers the release of potassium through other channels. Magnesium leaks out under this stress.
These aren't minor losses. Potassium is essential for maintaining the electrical charge across your cell membrane. Magnesium acts as the key cofactor for ATP, the energy currency your cells use for nearly every function. When magnesium drops, your cells can't properly use ATP, even if they have enough of it.
The sodium-potassium pump normally keeps your cells functioning by moving three sodium ions out and two potassium ions in. This pump requires the magnesium-ATP complex to work. When you lose magnesium and potassium during regulatory volume decrease, the pump fails. Without this pump working properly, your cells can't maintain their structure or generate energy efficiently.
Meanwhile, the mitochondria inside your cells also swell when excess water rushes in. These energy-producing structures need a specific shape to function. When they swell, the internal compartments distort, disrupting the proton gradient that drives ATP production. Your energy output drops.
You get a destructive cycle. The initial water influx forces mineral loss. The mineral loss prevents your cells from recovering their normal balance. More water keeps flooding in because the concentration difference remains. Your cells stay swollen, depleted of minerals, and unable to produce adequate energy.
This is what chronic overhydration looks like at the cellular level. The fatigue, brain fog, and persistent low energy that people attribute to dehydration often stem from the opposite problem.
The structure of water inside your cells matters as much as the quantity. Scientists once viewed the cell interior as a simple solution where dissolved substances float freely in liquid water. A different model offers better explanations for what actually happens.
Inside healthy cells, water exists in a structured state, organized around proteins and other large molecules. This isn't random. ATP plays a central organizing role. When ATP binds to key sites on proteins throughout the cell, it creates an electronic effect that ripples through the protein structure. This keeps proteins extended and exposes parts of their backbone to water molecules.
These exposed regions organize surrounding water into structured layers. The water molecules align in specific patterns, creating a gel-like state rather than free-flowing liquid. This structured water naturally excludes large ions like sodium and calcium because they disrupt the organized lattice.
At the same time, the proteins themselves preferentially bind potassium over sodium. Potassium's smaller size when surrounded by water molecules makes it fit better into the binding sites on protein surfaces.
When ATP levels drop or magnesium becomes scarce, this organized structure collapses. Proteins fold up and clump together. The structured water reverts to ordinary liquid water. Sodium and calcium, no longer excluded, flood into the cell. Potassium is released from protein binding sites. The cell swells with unstructured water and loses its functional organization.
Your cells need a gel, not a liquid. Plain water pushes them toward liquid chaos.
The body has mechanisms to detect when blood becomes too diluted. Specialized sensors in your brain and kidneys monitor the concentration of dissolved substances in your blood. When you drink large amounts of mineral-free water, these sensors detect the dilution and trigger a cascade of hormonal responses.
Your kidneys activate the renin-angiotensin-aldosterone system. This system's job is to conserve sodium and maintain blood volume. The adrenal glands release aldosterone, which tells your kidneys to reabsorb sodium from urine. But this sodium retention comes at a cost. For every sodium ion saved, a potassium ion gets excreted.
The nervous system also responds by releasing adrenaline to maintain blood pressure. Your adrenal glands produce cortisol. These stress hormones don't just appear briefly. Chronic overhydration means chronically elevated stress hormones.
These hormones directly interfere with your thyroid function. Your thyroid produces mostly T4, an inactive form of thyroid hormone. Your liver and kidneys must convert T4 into T3, the active form that actually increases your metabolic rate and energy production. Adrenaline and cortisol inhibit the enzymes responsible for this conversion.
Cortisol also pushes thyroid hormone production toward reverse T3, an inactive variant that binds to the same receptors as regular T3 but doesn't activate them. This blocks the action of whatever active T3 you do produce.
The result is a suppressed metabolic rate. You feel cold, tired, and sluggish. Your cells produce less energy. Ironically, this matches the symptoms people associate with dehydration, leading to advice to drink even more water.
Aldosterone creates another serious problem beyond potassium loss. Chronic elevation of this hormone drives calcium into soft tissues where it doesn't belong. Aldosterone binds to receptors in the smooth muscle cells of your blood vessels and other tissues, triggering them to behave like bone-forming cells. They start expressing proteins that encourage calcium deposition.
When calcium accumulates in your mitochondria, it disrupts the electrical gradient across their inner membrane. This gradient is essential for ATP production. Calcium infiltration directly compromises your cells' ability to generate energy.
The advice to drink more water to combat fatigue triggers hormonal changes that suppress your thyroid and calcify your tissues. You feel worse. The standard response is to drink even more water.
The eight glasses recommendation didn't emerge from rigorous science. In 1945, the Food and Nutrition Board calculated that adults needed about 2.5 liters of water daily based on metabolic needs. Public health messaging latched onto this number. But the original calculation included water from all sources, including the water content of food.
The next sentence in that 1945 report stated that most of this water comes from prepared foods. Public health campaigns ignored this detail. The calculation of total water turnover became a prescription to drink eight glasses of plain water.
A 2002 review in the American Journal of Physiology searched for scientific support for the eight-by-eight rule. The researchers found no peer-reviewed studies backing this recommendation for healthy adults in normal conditions. The body's natural thirst mechanism and hormonal regulation effectively maintain fluid balance without forced intake.
The bottled water and sports drink industries recognized that natural thirst limited their market. People only drink when thirsty. To sell more product, these companies needed to undermine trust in the body's signals.
Their solution was simple messaging. If you feel thirsty, you're already dehydrated. Don't wait for thirst. Drink constantly. Monitor your urine color. Clear means healthy.
Sports drink companies funded research institutions and influenced medical organizations to recommend aggressive hydration protocols for athletes. These guidelines told athletes to drink as much as possible during exercise to replace every drop of sweat.
Before these recommendations became widespread, exercise-associated hyponatremia was almost unheard of. This condition occurs when blood sodium becomes dangerously diluted, causing cells throughout the body to swell. Brain swelling can lead to seizures, coma, and death.
After the aggressive hydration campaigns, cases of exercise-associated hyponatremia surged. The hydration industry created a medical emergency by convincing people to override their natural regulatory systems.
The standard view treats your body as a passive container. Water goes in, water goes out. This ignores a fundamental fact. Your body makes its own water.
Inside your mitochondria, the final step of energy production combines oxygen with hydrogen ions and electrons to produce water. This happens constantly as your cells burn fuel. For every gram of glucose completely oxidized to carbon dioxide and water, your mitochondria generate about 0.6 grams of water. Fat oxidation produces even more, around 1.1 grams per gram of fat burned.
This metabolic water forms directly inside your cells, already in the right place with the right structure to support cellular function. A metabolism running efficiently on clean glucose oxidation produces a steady supply of structured water exactly where it's needed.
The type of fluid you consume matters more than the volume. Plain water acts as a solvent, pulling minerals from your tissues as your body tries to dilute it to match cellular concentrations. Fluids that contain natural sugars and balanced minerals work differently.
Your small intestine contains a transporter protein called SGLT1. This protein couples the movement of sodium and glucose across the intestinal wall. But it doesn't just move these molecules. For every cycle, SGLT1 brings along roughly 260 water molecules.
This mechanism allows water to enter your bloodstream and cells without creating the dilution problem that triggers stress hormones. The sodium maintains proper concentration. The glucose provides immediate fuel for ATP production. The water comes packaged with the cofactors needed to use it properly.
Fresh orange juice, raw milk, and ripe fruits deliver water through this pathway. They also contain potassium, magnesium, calcium, and other minerals in balanced ratios. These minerals help maintain the structured state of intracellular water.
These fluids support ATP generation through clean glucose metabolism. More ATP means better organization of cellular water. Better water structure means more efficient cellular function. The system reinforces itself.
Plain water, by contrast, forces your cells to spend ATP running pumps to maintain balance against the osmotic flood. This drains the cellular energy budget. The cell must choose between maintaining structure and producing energy for other functions.
The current hydration advice gets the relationship backward. You don't drink to produce energy. You produce energy to properly utilize what you drink.
Real cellular hydration depends on supporting your metabolic rate, maintaining mineral balance, and providing water in forms your cells can actually use.
Part 2 covers the specific practical steps to implement this approach. Part 3 provides a quick reference guide you can use immediately.
HOW TO SHIELD YOUR METABOLISM, CHILL YOUR HOUSE, AND COOL YOUR CORE WITHOUT THE AIR CONDITIONING TRAP
Stepping out of an icy office into summer heat feels like walking straight into a brick wall. Your skin burns, your heart pounds, and sweat refuses to dry. This sudden shock highlights a deep hormonal conflict happening inside your cells.
In the summer, your body naturally lowers its internal temperature setpoint. The brain signals your thyroid to reduce its output of triiodothyronine and free thyroxine. This hormone drop slows down your resting metabolism. You produce less internal heat. This thermal reduction helps you tolerate rising outdoor temperatures.
When you keep your indoor space cooled to 18 degrees Celsius, your thyroid axis responds to the cold environment by keeping hormone levels elevated to generate heat and protect your core temperature. Stepping outside creates an immediate mismatch.
Your cells continue to burn fuel at a rapid pace while the hot outside air blocks that heat from escaping, leading to high cardiovascular strain.
REGAINING YOUR NATURAL COOL
Acclimatizing to heat takes about seven to fourteen days of moderate exposure. Your body transforms. Blood plasma volume expands to improve circulation, allowing your heart to pump more blood to the skin where heat can escape into the surrounding air.
You sweat earlier and save essential sodium. Most importantly, your thyroid axis drops its hormone output to cool your organs from the inside out. This physical adaptation makes summer heat manageable without relying on constant machinery.
THE PHYSICS OF BUILDING COOLING
Cooling a home requires understanding how buildings store energy. Concrete, brick, and wood act as a thermal mass that holds heat. Opening windows during the hottest hours of the day brings hot air inside, warming these materials and keeping the house hot all night.
This traps heat inside. You must block the sun before it hits the glass. Placing barriers like shutters or blinds on the outside of the building stops solar radiation from penetrating the glass and warming the air. Internal curtains fail. They let heat pass through the glass and trap it inside the room.
Manage airflow dynamically. By opening windows fully on opposite sides of the building only when the outside temperature is lower than the indoor temperature, you can create a windward-to-leeward pathway that pulls heat away from the walls.
Adjusting these openings also improves personal comfort. Restricting the windward window while keeping the leeward window fully open accelerates the incoming air speed. This fast breeze speeds up sweat evaporation on your skin.
YOUR BODY'S NATURAL HEAT-RELEASE ZONES
Your body contains specialized heat-release zones. Special blood vessels called arteriovenous anastomoses are located in hairless skin zones like your palms, the soles of your feet, and your face. These areas are glabrous zones.
When you apply moderate cold to these regions, the blood vessels stay open and allow the cooled blood to flow directly back to your heart. Putting cold packs on your neck or wrists does not work. These areas lack specialized vessels and constrict quickly, trapping heat in your core.
Conduction and evaporation offer additional cooling options. Wetting your skin or wearing a damp garment cools you because water absorbs thermal energy directly from your skin as it evaporates. Electric fans can help. But their effectiveness depends on air temperature and humidity.
In humid conditions up to 42 degrees Celsius, fans help by accelerating sweat evaporation. In dry heat above 35 degrees Celsius, blowing hot air onto the skin increases convective heat gain faster than sweat can evaporate.
This speeds up dehydration and heat illness unless you mist your skin with water. Choose cool water for baths. Freezing ice water triggers vascular constriction and a stress response, trapping heat in your core.
THE THERMODYNAMIC SOLUTIONS FOR BODY AND HOME
To break the air conditioning trap and cool your body and home efficiently, focus on four key solutions that work with environmental physics:
First, sustain your heat acclimation. Set your air conditioner to a moderate 25 to 27 degrees Celsius baseline so your thyroid axis can downregulate naturally, allowing your metabolism to adjust to summer temperatures.
Second, cool your building structure. Block solar radiation before it strikes the glass by using external barriers, and flush heat from the walls by opening opposite windows fully in the late evening and early morning when the air is cool.
Third, target your specialized vascular radiators. Apply a mild 10 to 15 degrees Celsius cooling stimulus only to your palms, soles, or face to extract core body heat safely, avoiding local vasoconstriction.
Fourth, pair fans with evaporation. Mist your skin with water when using fans in dry heat above 35 degrees Celsius to facilitate evaporative cooling rather than heating your body through convection.
More physical setups, step-by-step building ventilation layouts, exact water temperature targets, and daily cooling schedules appear in Part 2, with a bullet point cheat sheet in Part 3.