Audit a URL →

Sign in Sign up free

Loading…

Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

5 audits·1 verdict change·0 affiliate links·Every Sunday

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

Browse

Decisions Claims Content Creators

Product

Audit a URL Sunday roundup API (soon)Pricing

About

FAQ Methodology Editorial Standards Corrections Press & brand RSS feed

Legal

Terms of Service Privacy Policy DMCA

Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

How Our Hormones Control Our Hunger, Eating & Satiety — Whalespan

Content›Video›How Our Hormones Control Our…

How Our Hormones Control Our Hunger, Eating & Satiety

Andrew Huberman1h 40m · 2021-04-19

Claims Made

179

Claims Supported

154

Support Rate

86%

Support rate

154 of 179 claims supported

154 supported25 partial / not

Claims from this content

144

✓Well SupportedInside Tracker's platform helps users understand blood test data and provides protocols to adjust numbers into ideal ranges.✓Well SupportedAthletic Greens supports the gut microbiome, which is vital for the immune system, endocrine system, and gut-brain axis, influencing mood and neurotransmitter production.✓Well SupportedVitamin D3 is critical for metabolism, hormone function, and brain function, and most individuals do not get enough even with ample sunlight.✓Well SupportedYerba mate tea can stimulate GLP-1 release and act as an appetite suppressant.Well Supported

More from Andrew Huberman

Andrew Huberman on Creatine

Huberman X thread: creatine and aging

Andrew Huberman on Morning Sunlight

Discussion

Native comments, Twitter mentions, and Reddit threads about this content — surfaced together so the conversation isn't fragmented across platforms.

M

Share your read of this content…

Posting publicly as you · linked to your social profiles

Sort by:

AV

A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

NP

N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

✓

Ingesting a small amount of glutamine, potentially mixed with full-fat cream, can reduce or eliminate sugar cravings by signaling satiety to gut neurons.

✓Well SupportedBerberine mimics Metformin's actions, including activating the AMPK pathway and inhibiting the protein tyrosine phosphatase 1B pathway.

✓Well SupportedEngaging in 10-15 minutes of physical activity after a large meal can reduce the glucose excursion by approximately half.

✓Well SupportedHumans are wired to pursue foods that increase blood glucose levels due to the physiological response.

✓Well SupportedThorne brand supplements have high accuracy and stringency in listing their compounds.

✓Well SupportedPro-opiomelanocortin (POMC) neurons in the arcuate nucleus release alpha-melanocyte-stimulating hormone (α-MSH), which reduces appetite.

✓Well SupportedReplacing sandwiches with salads and a small piece of meat, while still consuming carbohydrates at night, can improve alertness.

✓Well SupportedGlutamine supplementation, taken as a teaspoon to a tablespoon a few times a day, can reduce sugar cravings and improve symptoms of leaky gut.

✕Not SupportedBerberine is a potent tool for controlling blood glucose and requires caution as it can deprive the brain of its preferred fuel source.

✓Well SupportedThe order of macronutrient consumption within a meal influences the rate of insulin and glucose secretion and their subsequent rise in blood.

✓Well SupportedBerberine is one of the most effective supplements for lowering blood glucose.

✓Well SupportedMetformin activates AMPK by activating complex one involved in mitochondrial energy production, which lowers cellular ATP levels and triggers mitohormesis.

✓Well SupportedThe order in which foods are eaten affects blood sugar response, with starting with sugar or carbohydrates causing an immediate glucose spike.

✓Well SupportedArtificial sweeteners like sucralose and aspartame may negatively affect the gut microbiome.

✓Well SupportedBlood and DNA tests can provide valuable information about hormones, metabolic factors, blood sugar levels, and cellular, molecular, and neural circuit function.

✓Well SupportedKetogenic or carnivore diets can lead to significantly lower T4 and T3 thyroid hormones, indicating a suboptimal metabolic thermostat.

✕Not SupportedIndividuals with a predisposition to or history of cancer should consult a doctor before supplementing with glutamine, as many cancers and tumors utilize glutamine.

◐Partially SupportedBerberine is a non-prescription compound that mimics the actions of Metformin and activates the AMPK pathway.

✓Well SupportedFoods low in micronutrients, macronutrients, or essential amino acids/fatty acids will lead to continued foraging because satiety neurons are not fully activated.

✓Well SupportedMaintaining a correct omega-3 to omega-6 ratio is beneficial for mood, gut microbiome health, and appetite regulation.

✓Well SupportedCholecystokinin and vagus nerve stimulation can suppress appetite.

✓Well SupportedDiuretics and caffeine can deplete electrolytes, potentially causing imbalances leading to lightheadedness or brain fog.

◐Partially SupportedCarbohydrates cause a significant rise in blood glucose, while fats cause a lesser rise, and proteins have a minimal direct impact on blood glucose.

◐Partially SupportedBerberine and metformin reduce blood glucose, which lowers insulin and can increase fat oxidation.

◐Partially SupportedRestricting feeding windows to 4-8 hours per day or eating during the daytime are practices advocated by Satchin Panda.

✓Well SupportedEmulsifiers in processed foods and detergents can negatively impact gut health mechanisms.

◐Partially SupportedPOMC neurons in the arcuate nucleus produce Alpha-MSH, which reduces appetite.

✓Well SupportedGlutamine has been used in oncology to help patients combat issues with chemotherapy and recover parts of the immune system.

◐Partially SupportedPerforming Zone 2 cardio for 30-60 minutes, three to four times per week, leads to stable blood sugar levels.

◐Partially SupportedThe ketogenic diet has been shown in 22 studies to decrease blood glucose by minimizing foods that spike insulin and glucose.

◐Partially SupportedAcidic substances like apple cider vinegar, lemon juice, or lime juice can slightly lower blood glucose and alter gut pH to slow food absorption.

◐Partially SupportedHigh blood glucose levels can damage and kill neurons.

◐Partially SupportedMelanocyte-stimulating hormone (MSH) released from the medial pituitary reduces the desire to eat.

◐Partially SupportedConsuming sugar can promote the desire to eat more by acting on the insular cortex.

◐Partially SupportedHighly processed foods increase weight gain, disrupt gut lining and satiety signals, and interfere with hormonal and neural systems controlling appetite.

◐Partially SupportedMunk Pack makes keto-friendly snacks with one gram of sugar or less that are free from soy, trans fat, sugar alcohols, and artificial colors.

◐Partially SupportedAndrew Huberman performs workouts and focused work fasted, consuming water with electrolytes and possibly caffeine.

✓Well SupportedStevia may offer benefits, including improved glucose tolerance, and is not associated with negative health effects.

◐Partially SupportedA calorie is not a calorie due to emulsifiers and contents of highly processed foods.

◐Partially SupportedFor individuals without diabetes, managing blood glucose to maintain a euglycemic range is important.

◐Partially SupportedChewing non-caloric, sugar-free items can be pleasurable and does not generally increase hunger.

◐Partially SupportedBerberine is a mitochondrial toxin and an analog of metformin.

◐Partially SupportedHormones impact feeding, hunger, and satiety.

✓Well SupportedInsulin is necessary to shuttle glucose to tissues and maintain blood glucose levels within a healthy range.

◐Partially SupportedThe hypothalamus contains neurons that can induce states of rage, desire for mating, thirst, hunger, or tiredness.

◐Partially SupportedConsistent daytime eye exposure to photons and ultraviolet light without sunglasses helps regulate appetite by stimulating MSH.

◐Partially SupportedThe ventromedial hypothalamus regulates hunger and feeding.

◐Partially SupportedCCK is stimulated by fatty acids, amino acids, and sugars.

◐Partially SupportedGhrelin is secreted as a food anticipatory signal that motivates eating at regular times.

◐Partially SupportedIngesting proper levels of amino acids, omega-3s, and CLAs can lead to appetite suppression.

◐Partially SupportedMovement before and after a meal can modulate blood glucose levels, generally dampening increases and improving regulation.

◐Partially SupportedHighly processed foods may explain the global increase in conditions like diabetes over the last 50 years.

◐Partially SupportedBerberine is unregulated and powerful, and users should consult a doctor before experimenting with it.

◐Partially SupportedL-carnitine is discussed in relation to power output, ATP production, and sperm/egg quality.

◐Partially SupportedGhrelin secretion, not true hypoglycemia, triggers the desire to eat when blood sugar levels decrease.

◐Partially SupportedYerba mate contains electrolytes and caffeine, stimulates the release of glucagon-like peptide 1 (GLP-1), and can help extend fasting windows.

◐Partially SupportedHigh-intensity workouts lead to significant increases in enzymes and metabolic pathways that facilitate glycogen storage and prevent excess glucose from being converted into adipose tissue.

◐Partially SupportedEating foods in a specific order, combining macronutrients, and recent movement can significantly impact blood glucose levels and satiety.

✕Not SupportedThe pH of the body is tightly regulated and should not be intentionally altered by ingesting alkaline water.

◐Partially SupportedBrief walks (5-30 minutes) after eating can accelerate metabolism and improve nutrient utilization.

✕Not SupportedEmulsifiers in highly processed foods limit the gut's ability to detect food contents and deploy satiety signals.

◐Partially SupportedAdequate HDL levels are necessary for delivering fats to tissues that produce testosterone, estrogen, and cortisol.

◐Partially SupportedThe insular cortex is primarily involved in interoception, the perception of internal bodily states like fullness, acidity, and taste.

◐Partially SupportedMaintaining a healthy body weight and composition is a primary factor for longevity, well-being, and cognitive function.

✕Not SupportedIndividuals with genuine hypoglycemia should prioritize stable blood sugar levels and avoid disrupting their patterns.

◐Partially SupportedGut neurons that sense sugar trigger dopamine release via the vagus nerve, leading to food cravings.

✕Not SupportedBerberine is a powerful, unregulated plant-derived compound that requires medical consultation and caution for experimentation.

◐Partially SupportedIndividuals consuming an ultra-processed diet for 14 days ate significantly more than those on an unprocessed diet when matched for calories and macronutrients.

◐Partially SupportedEating large amounts of sugar paradoxically increases appetite due to a mechanism separate from CCK stimulation.

◐Partially SupportedA combination of HIIT, resistance training, and Zone 2 cardio is beneficial for managing blood glucose and metabolic factors.

◐Partially SupportedThe healthy euglycemic range for blood glucose is approximately 70 to 100 nanograms per deciliter.

◐Partially SupportedShifting feeding schedules to less frequent meals can offer advantages such as reduced focus on food procurement and increased social flexibility.

◐Partially SupportedExercising in the recent hours before a meal can be beneficial for blood glucose regulation.

◐Partially SupportedRandomly skipping one meal per day can maintain ghrelin system flexibility and allow for top-down control over hunger signals.

◐Partially SupportedAdherence to a diet plan is a primary determinant of its effectiveness, with participants losing equivalent weight regardless of diet type when adhered to.

◐Partially SupportedVitamin B3 can stimulate appetite by triggering increases in blood glucose.

◐Partially SupportedChromium has been shown in 29 studies to have a minor effect on reducing blood glucose.

◐Partially SupportedManaging glucose levels is crucial for maintaining proper LDL and HDL ratios and impacts more than just blood sugar or body fat.

◐Partially SupportedGhrelin secretion can be shifted by approximately 45 minutes per day to adjust mealtimes.

◐Partially SupportedPanax ginseng can have effects of reducing blood glucose slightly.

◐Partially SupportedMagnesium threonate and bisglycinate can modestly reduce blood glucose.

◐Partially SupportedInjecting MSH or similar substances is used in underground dieting circles to reduce appetite.

◐Partially SupportedEstrogen levels tend to reduce appetite, while testosterone levels tend to increase appetite.

◐Partially SupportedCholecystokinin (CCK) released from the gut can suppress appetite.

◐Partially SupportedExposure to sunlight or artificial UV light stimulates the release of Melanocyte-Stimulating Hormone (MSH).

◐Partially SupportedGetting ample light, ideally sunlight, to the eyes stimulates MSH and helps keep appetite in check.

◐Partially SupportedCaffeine has been reliably shown to increase blood glucose slightly.

◐Partially SupportedAncient physicians identified diabetes by observing that ants were attracted to the urine of affected patients, indicating a correlation with high blood glucose and other symptoms.

◐Partially SupportedElectrolytes like sodium, potassium, and magnesium are critically important for nervous system function.

◐Partially SupportedGlutamine can increase blood sugar slightly, which is relevant for individuals with diabetes.

◐Partially SupportedHigh LDL levels can lead to insufficient fat delivery to correct tissues, potentially causing fatty liver disease.

✕Not SupportedMetformin can cause genuine hypoglycemia, especially in non-diabetics, and should be approached with caution, particularly when used pharmacologically to mimic fasted states.

◐Partially SupportedGhrelin, a hormone from the GI tract, stimulates appetite by acting on brain areas and creating food anticipatory signals.

◐Partially SupportedStomach growling is a muscular phenomenon related to ghrelin secretion as a food anticipatory signal.

◐Partially SupportedParabiosis experiments suggest that endocrine signals in the blood regulate hunger and appetite.

◐Partially SupportedRegularity of eating leads to regularity in ghrelin secretion and AgRP neuron activity, resulting in predictable hunger intervals.

◐Partially SupportedBrewing Yerba Mate with water just shy of boiling prevents a tobacco-like or acidic flavor, resulting in a slightly sweeter taste.

◐Partially SupportedAvoiding highly processed foods can repair negative effects of emulsifiers on the gut.

◐Partially SupportedTop-down mechanisms like belief and motivation can shift neural circuits related to hunger and feeding.

◐Partially SupportedAlcohol consumption can increase blood glucose sharply, depending on its sugar content.

◐Partially SupportedGLUT4 facilitates the shuttling of glucose towards muscle and glycogen stores and away from fat stores.

◐Partially SupportedExercising can be done effectively without prior food intake, as the body utilizes liver glycogen, undigested food, and body fat for energy.

◐Partially SupportedHigher intensity movement leads to a greater GLUT4 increase, which blunts blood glucose and shuttles more glucose to glycogen and muscle stores.

◐Partially SupportedHyperglycemic effects like shakiness or blurry vision can be early warning signs of neuronal damage.

◐Partially SupportedAvoiding steep increases in blood sugar is a key goal for metabolic health.

◐Partially SupportedHigh-intensity interval training and weight training can cause long-standing increases in basal metabolic rate and thermogenesis.

◐Partially SupportedExperimenting with meal timing parameters can be beneficial for optimizing health.

◐Partially SupportedTo shift mealtimes, gradually push the mealtime out by 45 minutes to an hour each day over four to five days.

◐Partially SupportedAnimals and people tend to eat until sufficient omega-3s, omega-6s, CLA, and certain amino acids are consumed, activating CCK signaling.

◐Partially SupportedEmulsifiers can cause structural damage to the gut's mucosal lining, impairing nutrient measurement.

◐Partially SupportedType II diabetes, characterized by insulin insensitivity, can often be managed with weight management, drugs, and supplements.

◐Partially SupportedHumans generally have a greater appetite in the cold winter months due to reduced sunlight exposure.

◐Partially SupportedExcessively high LDL levels are undesirable and should be kept low.

◐Partially SupportedHigh sugar intake can contribute to fatty liver conditions similar to those historically associated with severe alcoholism.

◐Partially SupportedMelanocyte-Stimulating Hormone (MSH) causes significant tanning and can purportedly increase libido to distracting levels, potentially causing priapism.

◐Partially SupportedHidden sugars in processed foods can amplify glucose increases and promote further eating.

◐Partially SupportedControlling MSH levels through viewing ultraviolet light is a mechanistically logical approach to keep appetite in check.

◐Partially SupportedThe tactile sensation and consistency of food significantly influence appetite and the desire to eat.

◐Partially SupportedThe ventromedial hypothalamus acts as an accelerator and brake on feeding, regulating hunger.

◐Partially SupportedCapsaicin in hot chili peppers can lower blood glucose.

◐Partially SupportedMSH inhibits hunger.

◐Partially SupportedWhen blood glucose drops too low, ghrelin secretion stimulates neurons in the brain, potentially increasing salivation and food desire.

◐Partially SupportedGhrelin secretion is signaled by reduced blood glucose levels and acts as a hormonal clock for eating times.

◐Partially SupportedThe insular cortex processes internal bodily information and influences eating-related enjoyment, aversion, and satiety.

◐Partially SupportedGlutamine can be derived from cottage cheese or taken as a supplement.

◐Partially SupportedAmino acids stimulate CCK release, which helps regulate appetite and prevent overeating.

◐Partially SupportedOmega-3 fatty acids and Conjugated Linoleic Acid (CLA) stimulate CCK release, which blunts appetite and prevents overconsumption.

◐Partially SupportedThe gut assesses levels of omega-3 fatty acids, conjugated linoleic acid (CLA), and glutamine to signal satiety to the brain.

◐Partially SupportedHumans seek out particular fatty acids, specifically conjugated linoleic acids and Omega-3s, when eating.

◐Partially SupportedMelanocyte-Stimulating Hormone (MSH) reduces appetite and is used as a dieting drug in underground subcultures.

◐Partially SupportedZinc appears to lower blood glucose.

◐Partially SupportedBerberine eliminates canker sores upon direct contact.

◐Partially SupportedIndividuals with hypoglycemia or hyperglycemia should start berberine at the lowest possible dose.

✕Not SupportedBlue-blocking glasses worn during the daytime can interfere with the release of MSH from the medial pituitary by blocking UV and shorter wavelength light.

◐Partially SupportedThe speaker follows a low-carbohydrate, ketogenic-ish diet during the day to aid sleep transition at night.

◐Partially SupportedDiabetes, characterized by high blood glucose due to lack of insulin, was known as early as 1500 BC.

◐Partially SupportedHDL (high-density lipoprotein) is considered a 'healthy' lipoprotein.

◐Partially SupportedUrine is filtered blood.

✕Not SupportedIngesting highly processed food leads to increased overall food intake through an overeating compensation mechanism.

✕Not SupportedHighly processed foods disrupt the nervous system's signaling for adequate intake of fatty acids and amino acids.