Lactate has historically been thought of as a waste product produced when cells cannot burn fuel due to lack of oxygen, but Rutter describes it as a mediator of the cellular 'building' decision in the resource allocation between building and burning. BDNF's purpose — building more neural connections rather than breaking them — aligns with lactate's role as a building signal.
medium
Mitochondria perform 'unbelievably amazing chemistry' to effectively capture energy and make it usable in the form of ATP, but they do much more than that — they also allocate resources toward functions beyond energy production, including building cellular components.
Dr. Jared Rutter describes how eating triggers hormonal signals of different kinds, including GLP-1 and insulin, which are secreted and travel to many cells throughout the body, telling each cell 'we just ate.'
A cancer cell is a cell making a resource allocation decision all the time; when it transforms into a cancer cell, that allocation becomes about building more cells rather than doing its intended function. A tumor forms when one cell duplicates itself repeatedly into a cluster, and such a cell acquires mutations enabling faster division and escape from immune system limits on propagation.
Dr. Jared Rutter offers that food can be converted either to energy or to biomass — a good baseline way to think about what we get out of the food we eat, though a bit overly simplistic. Biomass from food is used to make a new cell or to repair a cell that's been damaged. He illustrates with an activated B cell needing many amino acids to turn into proteins (antibodies), which B cells — important immune cells — make to keep us protected from invaders that might otherwise kill us.
hedged
Dr. Jared Rutter explains that the implications of the fed-state hormonal signal differ from cell to cell: some cells don't care and keep doing what they were doing, while others — like adipocytes — care a great deal about the insulin signal. The response of different cells to the fed state depends on the needs and functions of that cell, and some cells completely rewire their function depending on the fed/fasted state of the organism.
Rutter states that we have never had a serious discussion about what mitochondria actually do beyond helping create energy, and describes how mitochondria allocate their resources toward functions other than just making energy — including building more of themselves.
described
Jesse states that nutrition determines body fat levels more than what you do in your workouts, and he takes nutrition very seriously.
Jesse says if you don't drink a lot of milk daily, whole milk is fine and provides benefits. He doesn't think fat is unhealthy — he limits it only for calorie control.
Cooking the shrimp slowly and gently makes them more tender. Conversely, cooking things aggressively with really high heat tends to squeeze out moisture and make them tougher — which is why the off-heat poach is used.
The creator explains why he specifies exact amounts: being precise about water, salt, and sugar means the viewer's water tastes exactly like his, and a specific water volume means the viewer's cook time matches his. Less water means the shrimp cook slower; more water means they'd probably cook a little faster.
Dr. Sara Gottfried notes blood testing for hormones is the cheapest option and usually what's covered by insurance, but her preference would be dried urine testing so that she gets metabolomics in addition to hormone levels.
Dr. Sara Gottfried says women with a family history of endometriosis, fibroids, or polycystic ovarian syndrome should pay special attention to those conditions because they have a strong genetic component.
Consequential creator advice requires independent verification before Today can promote it.
Even a slight degree of dehydration can diminish cognitive and physical performance. The host drinks 16 to 32 ounces of water with an Element packet dissolved in it upon waking, and drinks Element dissolved in water during physical exercise, especially on hot days when sweating a lot.
For people who fall asleep fine but wake up in the middle of the night and have trouble falling back asleep, Huberman identifies myo-inositol as one category of supplement to consider, typically taken as 900 milligrams. He notes that excessively vivid dreams can lead to immediate waking and sometimes a little anxiety upon waking, and that people who wake because their dreams are very intense would do well to avoid theanine supplements.
Huberman describes Tongkat Ali as known to increase free testosterone by reducing sex hormone binding globulin, beneficial for both men and women in dosages from 200 to 600 milligrams per day. To his knowledge it does not need to be cycled. Its effects can take longer to experience, so blood work should be done eight to 12 weeks after initiating the protocol. It appears to have cumulative effects on libido, pointing to an impact on neural pathways rather than hormone pathways.
Consequential creator advice requires independent verification before Today can promote it.
Huberman describes alpha-GPC as a choline donor that acts in acetylcholine pathways and can enhance focus. Dosages of 300 to 600 milligrams produce heightened levels of focus for mental or physical work without making people feel jittery or overstimulated. Its half-life is about four to six hours, making it relatively short lasting. It is not a stimulant, though it creates a slight increase in alertness that some people subjectively perceive as stimulation, differing from a caffeine-type stimulant. He advises not taking it right before bed.
Consequential creator advice requires independent verification before Today can promote it.
Dr. Chris Thompson explains that when evaluating a new medical procedure, it helps to wait to see whether insurance companies cover it before expecting wide physician adoption, and that new procedures take about 20 months to become standard practice after initial physician pushback — though this is based on his informal conversations, not a formal study.
Consequential creator advice requires independent verification before Today can promote it.
Huberman notes that you have to decide on supplement purchases based on your budget and other personal circumstances. If your budget doesn't allow for broad supplement exploration, he advises narrowing in on the most effective supplements the most quickly to capture the most benefit.
When deciding whether to take a vitamin mineral supplement, first ask whether the cost is within the range you can afford and want to pay, and whether you're able to regularly ingest enough foods with enough variety to cover your vitamin mineral needs just from food. If you take one, ingest it with food because otherwise it can cause stomach upset.
Upon waking, before anything else, drink 16 to 20 ounces of water. This single, timed action is directly instructed by the creator with no missing details.
Take a methylated B vitamin complex daily if you have the MTHFR mutation.
The creators behind most of what cleared in Fuel.
698 cleared insights match
77 cleared insights match
22 cleared insights match
Choose sources → to get a library of your own and a daily brief.
