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.

Loading…

Supplements for Longevity & Their Efficacy | Dr. Peter Attia — Whalespan

Content›Video›Supplements for Longevity & …

Supplements for Longevity & Their Efficacy | Dr. Peter Attia

Andrew Huberman2h 31m · 2024-07-29

Support Rate

59%

164 of 278 claims supported

Support rate

164 of 278 claims supported

164 supported114 partial / not

Claims from this content

224

✓Well SupportedAndrew Huberman drinks Athletic Greens twice a day, typically once in the morning and again in the afternoon or late afternoon, mixed with water and lemon or lime juice.✓Well SupportedBody temperature must drop by 1-3 degrees Fahrenheit to fall and stay deeply asleep, and must increase by 1-3 degrees Fahrenheit to wake up refreshed.✓Well SupportedAndrew Huberman dissolves one packet of Element in 16-32 ounces of water upon waking and during exercise for hydration and electrolyte intake.✓Well SupportedElement is an electrolyte drink containing sodium, magnesium, and potassium without sugar.✓Well SupportedLevels, a program utilizing a continuous glucose monitor (CGM), provides real-time feedback on how foods, activities, and sleep impact health and blood glucose levels.

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.

✓Well SupportedEight Sleep's Pod 5 features 'Auto Pilot' which adjusts bed temperature, elevates the head if snoring occurs, and optimizes sleep.

✓Well SupportedThe 8 Sleep Pod 4 Ultra offers improved cooling and heating capacity, higher fidelity sleep tracking, and snoring detection that can automatically adjust head elevation.

✓Well SupportedSmart mattress covers can optimize sleep environment temperature through cooling and heating.

✓Well SupportedAndrew Huberman has used Levels glucose monitoring devices and found them informative for understanding his blood sugar regulation and its reaction to different foods.

✓Well SupportedDNA repair enzymes like PARP use NAD+ as a substrate, contributing to NAD+ decline with age.

✓Well SupportedEmotional health, happiness, and well-being are crucial for longevity and healthspan.

✓Well SupportedPharmacologic inhibition of mTOR with rapamycin or its analogs shows promise for lifespan and healthspan improvement, even when initiated late in life.

✓Well SupportedAG1 helps buffer against stress and supports cellular and tissue needs due to its adaptogens and micronutrients.

✓Well SupportedTaking AG1 once in the morning and again in the afternoon or evening covers foundational nutritional needs and is reported to improve energy levels, digestion, and sleep.

✓Well SupportedIn Zone 2 exercise, fat and glucose are oxidized within mitochondria with a low glycolytic flux that is also oxidized, rather than being converted to lactate.

✓Well SupportedHigh doses of rapamycin (e.g., 20mg weekly) are immunosuppressive and potentially interfere with vaccine response.

✓Well SupportedNicotinamide riboside (NR) can cross cell membranes directly, while NMN cannot due to its phosphate group, making NR a more effective oral NAD precursor.

✕Not SupportedPeter Attia is unconvinced that oral supplementation of NR or NMN benefits human health.

✓Well SupportedMaintaining steady blood glucose levels is crucial for health, energy, and focus.

✓Well SupportedObtaining most food from unprocessed or minimally processed sources is suggested for adequate nutrient intake without overeating.

✓Well SupportedThe Huberman Lab Podcast's free newsletter, 'The Neural Network Newsletter,' provides monthly summaries of podcast episodes and specific protocols.

✓Well SupportedAndrew Huberman takes one to two tablespoons of liquid fish oil daily, aiming for 2 to 3 grams of EPA.

✓Well SupportedThe Interventions Testing Program pre-screens with aging rate indicators to identify drugs that confer lifespan benefits.

✕Not SupportedA famous study on resveratrol in mice used a diet poisoned with 60% coconut oil, causing liver swelling and respiratory failure, which is not a valid model for aging.

✓Well Supported17 alpha estradiol extended male mouse lifespan beyond the lifespan of normal female mice.

✓Well SupportedPeter Attia personally supplements with approximately 1 gram of magnesium daily, using a combination of magnesium carbonate, oxide, glycinate, and L-threonate.

✓Well SupportedAcarbose started in late middle age is effective for extending lifespan in both sexes, but less so than when started in youth.

✓Well SupportedMeasuring biological age allows individuals to track the effectiveness of interventions aimed at slowing or reversing aging.

?Limited ResearchThere is a lack of evidence that raising NAD levels in humans will correct a problem or produce a positive benefit, despite NAD levels declining with age.

✓Well SupportedViewing red light at approximately 18 inches in the morning can counteract age-related declines in mitochondrial function and vision in individuals over 40.

✓Well SupportedInitiating workouts before 9:00 AM may positively impact all-day energy levels due to changes in body temperature.

✓Well SupportedPeter Attia's current training focus is on health, longevity, and preparing for the 'centenarian decathlon' rather than maximizing current athletic performance.

✓Well SupportedCreatine may play a role in stabilizing brain energy metabolism, potentially protecting against mood disturbances, cognitive fatigue, and traumatic brain injury.

✓Well SupportedN-acetylcysteine (600-900 mg three times per day) acts as a mucolytic to relieve sinus congestion.

◐Partially SupportedPrior to recent research, rapamycin's only known human application was for immune suppression in organ transplant patients.

✓Well SupportedOverexpressing sirtuins in yeast leads to longer lifespan, a finding reproducible in many, but not all, strains.

✓Well SupportedCaloric restriction consistently extends lifespan across species.

◐Partially SupportedCanker sores are a potential side effect of rapamycin experienced by about 10% of users and can serve as a biomarker for effective dosing.

◐Partially SupportedThe lack of rapamycin trials in healthy humans for aging is due to patent status and concerns about side effects at tested doses.

✓Well SupportedRapamycin's anti-aging effect is proposed to be through inhibition of mTOR, which stimulates autophagy and may suppress senescent cells.

✕Not SupportedResveratrol has been a failure in human longevity trials despite showing promise in invertebrates and mice.

✓Well SupportedOlder adults have lower NAD+ levels in organs like the brain, liver, and skin, even if circulating NAD+ levels are stable.

✓Well SupportedNAD+ is utilized by Sirtuins, PARPs, and approximately 500 other enzymes involved in energy and protein production.

✓Well SupportedPeter Attia takes 10 grams of creatine monohydrate per day and notices its effects in the gym due to increased water volume in muscles.

✓Well SupportedThe annual radiation dose limit recommended by the NRC is 50 millisieverts.

✓Well SupportedPeter Attia supplements 5,000 IU of vitamin D daily to maintain levels between 50-60 ng/mL.

✓Well SupportedPeter Attia has been taking rapamycin for two and a half years, using a once-weekly dosing regimen of 5mg to 8mg.

✓Well SupportedEverolimus showed improved flu vaccine response in healthy elderly individuals at doses of 20mg weekly, 5mg weekly, and 1mg daily.

✓Well SupportedKlotho therapy provided a 31% increase in median lifespan in male wild type mice and a 19% increase in female wild type mice.

✓Well SupportedPeter Attia incorporates 4 hours of Zone 2 training per week, one high-intensity VO2 Max workout per week, and four strength training sessions per week into his daily exercise.

✓Well SupportedElevated homocysteine impairs the clearance of asymmetric and symmetric dimethylarginine (ADMA and SDMA), which inhibit nitric oxide synthase.

✓Well SupportedA 2% dip in hydration can dramatically affect cognitive performance, reaction time, and processing speed.

◐Partially SupportedThe high doses of nicotinamide mononucleotide (NMN) used in many animal studies are difficult to translate to humans.

◐Partially SupportedAndrew Huberman takes NR and NMN daily to increase NAD levels.

✓Well SupportedThe correct ratio of electrolytes is crucial for proper functioning of all cells, especially neurons, improving mental and physical performance.

✓Well SupportedAndrew Huberman takes 5,000 to 8,000 IU of vitamin D3 per day and gets sunlight.

◐Partially SupportedThe Interventions Testing Program (ITP) has a high bar for success, and many molecules, including NR, have failed to demonstrate lifespan extension.

✓Well SupportedLiving at sea level results in approximately 1 mSv of radiation exposure per year, while living at a mile elevation results in 2 mSv per year.

◐Partially SupportedThe later onset of cancer in life may be due to compounding mutations, increased DNA damage, reduced DNA repair efficiency, or a decline in immune system surveillance.

✓Well SupportedCurrent actions should build a robust foundation for future health to be an excellent older adult.

✓Well SupportedPeter Attia has been taking AG1 daily since 2012, often twice a day, as a nutritional insurance policy to augment quality food.

✓Well SupportedLevels has launched a new smaller CGM sensor with improved tracking and offers two free months of membership.

✓Well SupportedCaloric restriction and Sir2 operate through parallel pathways for extending lifespan.

◐Partially SupportedNMN is no longer available as a supplement in the wider market due to an FDA ruling in 2023, stemming from its filing as an experimental drug for a clinical trial.

✓Well SupportedDNA damage may increase or become less repairable with age.

✓Well SupportedBehavioral factors such as sleep, exercise, nutrition, and sunlight have a greater impact on healthspan and lifespan than any single supplement.

✕Not SupportedNAD precursors like NR and NMN increase NAD levels but lack demonstrated phenotypic benefit in normal or aging individuals outside pathological states.

◐Partially SupportedRapamycin's effect on the immune system is complex, dose-dependent, and context-dependent.

◐Partially SupportedSublingual nicotinamide mononucleotide (NMN) is often chosen over nicotinamide riboside (NR) due to lower cost.

✓Well SupportedAnimal studies show a 15-20% NAD reduction in the brain, and similar reductions are found in human blood samples.

✓Well SupportedIntravenous NAD+ administration bypasses the need for cellular synthesis and oral uptake.

✓Well SupportedPower penia, the age-related loss of muscle power, may decline earlier and more rapidly than muscle mass or strength.

◐Partially SupportedThe efficacy of intravenous (IV) or sublingual (SL) NMN or NR compared to oral administration is a subject of interest and requires further consideration.

?Limited ResearchIt is unclear if oral NAD precursors like NMN, NR, niacin, and nicotinamide can achieve effective doses in humans due to breakdown to niacin in the gut.

◐Partially SupportedIf NR or NMN significantly reduce the risk of squamous and basal cell carcinomas, it could be a rationale for taking them, especially for individuals at risk.

✕Not SupportedThe evidence that NAD precursors are geroprotective in healthy individuals has a low probability of being true.

◐Partially SupportedA decline in NAD+ may contribute to aging and DNA breaks.

✓Well SupportedIndividuals can build muscle at any age, including in their 80s and 90s.

◐Partially SupportedThe debate between NMN and NR is primarily a commercial one, with no clear scientific reason to favor one over the other.

✓Well SupportedResveratrol did not extend lifespan in mice in the Interventions Testing Program (ITP) study at the concentration suggested by David Sinclair.

◐Partially SupportedThe speaker takes NMN and sometimes NR, observing a positive personal effect, but does not believe it extends lifespan.

◐Partially SupportedPeter Attia and Andrew Huberman will release a podcast episode discussing whether exogenous NMN, NR, or NAD+ can increase NAD+ levels and potentially extend lifespan.

◐Partially SupportedOverexpression of the gene CT6 in male mice increased lifespan by 10%.

✓Well SupportedNAD is generally associated with energy production and mitochondrial pathways in cells.

✓Well SupportedIncreased muscle mass is crucial for overall health, contributing to lower blood glucose, acting as a calorie sink, and supporting organ health and mobility.

◐Partially SupportedPilots with higher radiation exposure do not show an increased risk of cancer.

◐Partially SupportedUpcoming readouts in 2026 from Matt Kaeberlein's dog aging study and a University of San Antonio trial are important for rapamycin research.

✓Well SupportedBoosting NAD+ may increase lifespan and improve healthspan, with positive data from studies in mice showing lifespan extension.

✓Well SupportedHigh homocysteine levels inhibit ADMA clearance, reducing nitric oxide production.

◐Partially SupportedNAD infusions are expensive, inconvenient, and uncomfortable, but potentially useful a couple of times a year for fatigue.

◐Partially SupportedPeter Attia drinks one serving of LMNT electrolytes daily.

◐Partially SupportedAdequate quality sleep each night is necessary to avoid feeling sleepy during the day.

✓Well SupportedRapamycin should be dosed selectively, not daily, to avoid interfering with mTORC2.

◐Partially SupportedGeneric forms of rapamycin, such as sirolimus, cost about $5 per milligram.

✓Well SupportedPeter Attia takes methyl folate and methyl B12 daily, using the lower dose of the two available strengths, to maintain homocysteine levels below 9.

✓Well SupportedControlling the temperature of the sleeping environment is one of the best ways to ensure a great night's sleep.

✕Not SupportedSevere caloric restriction may increase sarcopenia, risk of falling, and frailty.

✓Well SupportedPeter Attia takes magnesium L-threonate, magnesium oxide, and a slow-releasing magnesium chloride for sleep and general health benefits.

✓Well SupportedRapamycin and its analogs, along with caloric restriction, are interventions shown to extend life across mammals, fruit flies, worms, and yeast.

✓Well SupportedCaloric restriction and drugs like rapamycin aim to reduce mTOR activity by lowering excess insulin and blood glucose.

◐Partially SupportedNAD is essential for life, required for energy production (ATP) and cellular chemical reactions involving hydrogen transfer.

✓Well SupportedPeter Attia prefers a diet consisting of meat, fish, chicken, eggs, fruits, vegetables, and rice over processed foods like Froot Loops, pizza, or ice cream.

◐Partially SupportedIf supplements like NMN or NR worked in humans as effectively as they do in mice, the effects would be noticeable and not subtle.

◐Partially SupportedPeter Attia is questioning the value of taking NMN or NR due to the lack of clinically significant benefits observed.

◐Partially SupportedThe market competition for NAD supplementation includes infusing NAD directly or orally taking precursors like NMN and NR.

✓Well SupportedMagnesium supplementation is beneficial for bowel function and may prevent muscle cramps.

✓Well SupportedPursuing lifespan by delaying the onset of chronic disease also yields healthspan benefits.

✓Well SupportedNAD+ levels in cells are tightly regulated across all ages and physiological conditions, similar to glucose, pH, or hydrogen ion concentration.

◐Partially SupportedAndrew Huberman takes sublingual NMN daily and has observed increased energy, faster hair growth, and faster nail growth.

◐Partially SupportedPeter attia takes two green tea capsules in the morning and uses nmn powder, sometimes nr, and may go long periods without them if he runs out.

◐Partially SupportedNR is classified as a Generally Recognized As Safe (GRAS) supplement.

✓Well SupportedResveratrol activates sirtuins, which improve mitochondrial biogenesis, suppress senescent cells, and enhance DNA repair.

✓Well SupportedThe doses of resveratrol used in early mouse studies were megadoses.

◐Partially SupportedShining red light on the back followed by an oral glucose tolerance test can reduce postprandial glucose by 8%.

◐Partially SupportedCaloric restriction may reduce chronic disease onset but might not confer an all-cause mortality benefit due to downsides.

◐Partially SupportedNAD infusions can cause temporary discomfort, including nausea, chest pressure, and leg pressure.

◐Partially SupportedAdministering NAD infusions more slowly can make them more tolerable.

◐Partially SupportedIndividuals should experiment with the timing of resistance and cardiovascular training to optimize their impact on energy levels.

◐Partially SupportedExercising at the correct time in one's circadian (temperature) cycle leads to more energy throughout the day, while exercising at the wrong time can cause a significant energy crash.

✓Well SupportedMTOR pathway activation should be kept on a short leash as it is needed for cellular proliferation during periods of growth.

✕Not SupportedThe FDA's decision to reclassify N-acetylcysteine (NAC) as not sellable over-the-counter was likely a lobbying decision for market and IP protection, not a scientific one.

◐Partially SupportedExogenous molecules can be taken to impact health systems and target disease processes.

✕Not SupportedBiological aging tests, such as movement age assessments, may not be reliable predictors of actual biological age due to variability.

✕Not SupportedBiologic age tests may not provide tangibly measurable meaning for life expectancy beyond directional guidance, especially when chronological age is significantly higher.

◐Partially SupportedRed and near-infrared light therapy may improve mitochondrial function in photoreceptor cells by reducing reactive oxygen species.

?Limited ResearchSevere caloric restriction may not extend lifespan in humans and does not always extend life in animals.

◐Partially SupportedInactivity for months in older adults can require a 2:1 or 3:1 ratio of inactivity to activity to regain previous fitness levels.

✕Not SupportedTaking 600-900mg of Alpha-GPC before a workout can provide a stimulant effect but may increase TMAO.

✕Not SupportedPeter Attia does not supplement with B6 due to risk of peripheral nerve damage.

◐Partially SupportedGood sleep, exercise, and nutrition likely have a greater impact on energy levels and vitality than any supplement or drug, including rapamycin.

◐Partially SupportedSleep is essential for survival, and choices in sleep quality and duration significantly impact health.

◐Partially SupportedChildren exhibit spontaneous outbursts of energy, characterized by an inability to sit still and a kinetic desire to move, which decreases by adolescence.

◐Partially SupportedNADH functions as an electron acceptor in metabolic processes.

◐Partially SupportedThe speaker has taken NR in capsule form.

◐Partially SupportedThe primary reason for discussing NAD supplementation is the common question about whether people should take NR or NMN.

◐Partially SupportedStatistical significance in research should not be confused with clinical significance.

◐Partially SupportedIndividuals working in nuclear plants may be exposed to around 500 mSv of radiation annually, yet do not show an increased risk for cancer.

◐Partially SupportedAndrew Huberman and Peter Attia will each share their supplement regimens for potential effects on healthspan or lifespan.

◐Partially SupportedPeter Attia believes people do not need to be stressed about radiation from airport scanners and flights.

◐Partially SupportedResults requiring complex statistical analysis to be observed likely lack genuine significance.

◐Partially SupportedChronological age, male sex, and non-smoking status predict life expectancy.

◐Partially SupportedPeter Attia uses a quality whey protein as a protein replacement.

◐Partially SupportedEssential behavioral factors for health and longevity include eating, sleeping, and moving, with choices in how these are performed impacting health outcomes.

?Limited ResearchThe reported benefits of intravenous NAD infusions are difficult to disentangle from placebo or other substances.

◐Partially SupportedExercising for two hours would likely provide a significantly greater improvement in lifespan compared to spending that time and money on NAD+ infusions.

✕Not SupportedThe unpleasant side effects of intravenous NAD infusions should not be interpreted as evidence of physiological benefit.

◐Partially SupportedModern humans do not spontaneously expend energy unless motivated by a specific reason such as exercise or being chased.

◐Partially SupportedSome forms and timing of exercise can increase energy and focus, while others can be depleting.

◐Partially SupportedCharles Brenner argues that studies suggesting NR increases cancer risk were not conducted well.

◐Partially SupportedSevere caloric restriction is likely to reduce the risk of cardiovascular disease, cancer, and Alzheimer's disease.

◐Partially SupportedIndividuals approaching 50 need to increase self-care, including mindfulness of eating, sleeping, and recovery, due to decreased resilience.

◐Partially SupportedGain-of-function and loss-of-function experiments are crucial for understanding gene function.

◐Partially SupportedElevated homocysteine levels are associated with negative health outcomes.

◐Partially SupportedAging effects like poor sleep become more apparent in one's 50s and 60s.

◐Partially SupportedA CT angiogram scan can deliver between 3 mSv and 15 mSv of radiation.

◐Partially SupportedNAD+ infusions costing $750 per week and administered over two hours may be an option for individuals with disposable income to increase NAD+ with the hope of extending lifespan.

◐Partially SupportedReproducible results across multiple labs in mouse models provide strong evidence for a biological signal.

◐Partially SupportedA DEXA scan involves less radiation than a cross-country flight and is considered very low dose, less than an X-ray.

◐Partially SupportedImproving redox potential can help cells function better and survive longer.

✕Not SupportedThe NIH withdrew funding for the ongoing surveillance program for rapamycin studies.

◐Partially SupportedMaintaining vigor, well-being, and internal peace may require behavioral tools and interventions that increase with age.

◐Partially SupportedThere is no evidence that sirtuins are involved in caloric restriction or vice versa, despite parallel pathways and synergistic effects observed in some experiments.

◐Partially SupportedNMN may reduce the risk of basal cell and squamous cell carcinoma.

◐Partially SupportedMitochondria are the primary site for energy liberation from food, converting chemical energy into ATP.

◐Partially SupportedA study tested nicotinamide riboside (NR) combined with a ceramide activator in individuals with fatty liver disease.

✕Not SupportedThere is no meaningful logical connection between caloric restriction, NR, and lifespan extension.

◐Partially SupportedMitochondrial function declines with age, leading to reduced Redox potential.

◐Partially SupportedThe electron transport chain in mitochondria uses NAD and NADH to produce ATP.

◐Partially SupportedSupplementing NR and NMN may benefit skin cancer by counteracting age-related NAD+ reduction in skin.

?Limited ResearchTaking NAD directly or its precursors like NMN and NR may not be a straightforward way to increase NAD levels and slow aging.

?Limited ResearchTaking NMN sublingually may have a laxative effect, the physiological benefit of which is unclear.

◐Partially SupportedTargeting cellular pathways like the NAD pathway (involving NR, NMN, and NAD) is a category of interventions potentially beneficial for longevity.

◐Partially SupportedBasal cell and squamous cell carcinomas can be deforming and require aggressive surgery.

◐Partially SupportedBasal cell and squamous cell carcinomas are very common and clearly associated with sun exposure.

✕Not SupportedA study on tert-butyl bean for fatty liver disease found no difference in hepatic fat, body weight, inflammatory markers, glycemic markers, or liver function tests between placebo, regular dose, and double dose groups.

✕Not SupportedCompanies performing epigenetic age testing may not be accurately sequencing the epigenome.

◐Partially SupportedHigh-intensity aerobic exercise and resistance training against gravity are important movement choices for health.

◐Partially SupportedPeter Attia would consider taking NR or NMN if they reduced melanoma risk, despite having dark skin.

◐Partially SupportedResveratrol showed a rescue effect in a specific mouse model with high-fat diet-induced fatty liver, but this was not replicated in other models.

◐Partially SupportedThe total amount of NAD and NADH may remain constant with age, but the redox potential declines.

✕Not SupportedBiologic age measurements are inherently noisy and lack the standardization of measurements like fasting triglycerides.

◐Partially SupportedThe episode will provide a framework for thinking about longevity approaches including rapamycin, metformin, and fasting.

◐Partially SupportedNAD is present in essentially every cell of the body except possibly red blood cells.

✕Not SupportedThere is a lack of well-done studies in the field of NR and NMN research.

◐Partially SupportedA study showed a reduction in hepatic fat from 20% to 15% with NMN, which is still three times above the threshold for liver disease, suggesting a statistically significant but not clinically significant result.

◐Partially SupportedBrian Johnson employs a 'kitchen sink' approach to longevity, involving high doses of polyphenols, caloric restriction with an early eating window (final bite at 11:00 a.m.), red light therapy, and PRP.

◐Partially SupportedA 2021 or 2022 study investigated NMN's effect on glucose disposal, finding a statistically significant but clinically insignificant increase in glucose disposal with insulin infusion in the NMN group compared to placebo.

◐Partially SupportedSublingual NMN may act as a laxative, potentially contributing to a feeling of increased energy due to reduced bloating.

◐Partially SupportedTaking NMN sublingually in powdered form is a personal protocol.

◐Partially SupportedMovement, resistance training, maintaining nerve-to-muscle connection, and avoiding immobility are important for longevity.

◐Partially SupportedGetting seven to seven and a half hours of sleep requires approximately eight hours in bed and overcoming obstacles to nighttime routines.

◐Partially SupportedCaloric restriction's effect on lifespan may be independent of the Sir2 pathway.

◐Partially SupportedPeter Attia's vigor and wellness were lower in his 20s and 30s due to working 80-100 hour weeks, poor nutrition, and insufficient sleep.

◐Partially SupportedApproaches to longevity include managing calories, glucose, and insulin to reduce mTOR activity, targeting specific cellular pathways, and a 'do everything' category.

?Limited ResearchIt is unclear whether elevated homocysteine levels are causally linked to negative health outcomes.

◐Partially SupportedSevere caloric restriction would likely reduce the risk of most chronic diseases in humans.

◐Partially SupportedSupplements can be viewed as an insurance policy or a way to augment health and longevity if disposable income is available.

◐Partially SupportedPeter Attia spends approximately $40 per week on rapamycin.

◐Partially SupportedOral NAD is likely to break down in the gut into its constituent products and may not be orally bioavailable.

✕Not SupportedIncreasing intracellular NAD+ levels does not appear to extend human lifespan.

◐Partially SupportedMedications like Metformin, SGLT2 inhibitors, GLP1 agonists, PCSK9 inhibitors, statins, and bidic acid directly target disease processes, delaying their onset and reducing associated mortality.

◐Partially SupportedSupplementing with methyl folate and methyl B12 can lower homocysteine levels, potentially reducing ADMA/SDMA and increasing nitric oxide synthesis, which may benefit vascular health.

◐Partially SupportedPeter Attia takes methyl B12 and one capsule of Tongkat Ali daily to lower sex hormone binding globulin and increase free testosterone.

◐Partially SupportedPendulum's probiotic Akkermansia works through the GLP-1 and butyrate pathway and requires pharmaceutical GMP conditions for production.

◐Partially SupportedPeter Attia takes three Pendulum products: Glucose Control, Polyphenol, and Akkermansia.

◐Partially SupportedAndrew Huberman takes thiamine (vitamin B1) for potential cognitive benefits, especially in MCI patients, due to its low downside.

◐Partially SupportedIn a subanalysis of a tert-butyl bean study, liver fat decreased from 20% to 15% in individuals with a hepatic fat score below 27% who received the full dose.

◐Partially SupportedFatty liver disease is diagnosed when hepatic fat index is over 5% as measured by MRI.

◐Partially SupportedCardiovascular training can include one long, one medium, and one short session per week, supplemented by weekly sauna and cold plunge sessions.

◐Partially SupportedExercising for healthspan and lifespan should provide more energy and focus for other life activities, not just deplete reserves.

◐Partially SupportedPeter Attia consumes caffeine via yerba mate, coffee, and 50mg caffeine tablets, noting tablets feel stronger.

◐Partially SupportedGeroprotective molecules target aging hallmarks like inflammation, senescent cells, and reduced mTOR nutrient sensing.

◐Partially SupportedSirtuins are believed to improve mitochondrial biogenesis, increase DNA repair, and reduce soluble products of senescent cells.

◐Partially SupportedIndividuals should aim to build as much physiological reserve as possible during younger years because compounding effects are significant.

◐Partially SupportedCancer is a genetic disease characterized by uncontrolled cell replication and metastasis, resulting from genetic mutations.

◐Partially SupportedThe SGLT2 inhibitor canagliflozin has shown success in the Interventions Testing Program and is considered broadly geroprotective.

◐Partially SupportedApproaches targeting reactive oxygen species may improve mitochondrial function.

◐Partially SupportedCurrent companies performing epigenetic sequencing may not be accurately sequencing the epigenome base pair by base pair.

◐Partially SupportedPeter Attia estimates his lifespan to be 95 years and subjectively tracks his vigor and wellness on a scale of 0-10.

◐Partially SupportedThe critical window for decisions impacting long-term vitality and healthspan is between the ages of 50 and 70.

◐Partially SupportedResistance training improves the rewarding properties of food.

◐Partially SupportedThe impact of poor sleep is more noticeable and significant as individuals age.

◐Partially SupportedPeter Attia takes a PCSK9 inhibitor, bempedoic acid, and an SGLT2 inhibitor for disease-specific reasons, and rapamycin for geroprotection.

◐Partially SupportedSpontaneous physical activity significantly decreases from childhood to adolescence.