Every library entry that names Focus as a goal. Each is a full page: what it does, stage by stage, and what the evidence says. Build a plan for this goal →
Supplements
- Alpha-GPCA choline compound that reaches your brain well — but a large study links regular use to more strokes.
- Bacopa MonnieriOne of the more consistently studied herbs for memory.
- CaffeineYou build tolerance to some of its effects faster than others.
- CholineA building block for the brain chemical behind memory.
- Citicoline (CDP-Choline)A natural brain-building-block compound, sold as a prescription drug for stroke in some countries and as a supplement here — the human proof for boosting a healthy brain is much thinner than the proof for medical use.
- Creatine MonohydrateOne of the most heavily studied supplements there is.
- Ginkgo BilobaOne of the most heavily studied herbs — with disappointing results.
- GuaranaA Brazilian seed that packs a strong dose of caffeine, marketed as a natural energy booster.
- Huperzine AA plant compound that works like a real drug on your brain chemistry — not a casual "focus" supplement.
- L-SerineA building-block amino acid your body makes on its own, and an active area of research into brain and nerve health — though the exciting findings so far are mostly early-stage.
- L-TheanineCalm without making you sleepy.
- L-TyrosineA building block your brain uses for dopamine — helpful mainly when you’re under real stress, not as an everyday focus booster.
- Lion’s ManeA mushroom studied for compounds that might support nerve growth.
- MCT OilFats that skip the slow route into your body.
- N-Acetyl L-TyrosineA modified version of the amino acid tyrosine, sold as easier for your body to absorb — though most of the real stress-and-focus research behind it was actually done with the plain, unmodified form.
- NoopeptA lab-made brain compound from Russia, studied mostly in patients with brain injuries or vascular disease — not in healthy people, and it’s not actually allowed to be sold as a US supplement.
- Panax GinsengOne of the most researched adaptogens — with genuinely mixed results.
- PhosphatidylserineA brain-cell building block — modestly helpful for memory in older adults, less so for everyone else.
- PiracetamThe first drug ever called a "nootropic," used by prescription in some European countries for cognitive symptoms — but the FDA says it isn’t allowed to be sold as a US supplement, and good evidence it actually boosts thinking is hard to find.
- PregnenoloneCalled the “mother hormone” because your body turns it into almost every other steroid hormone you have.
- Rhodiola RoseaAn adaptogen studied mainly for fatigue when you are under stress.
- Rosemary ExtractThe same herb used in cooking, studied in small trials for a modest memory and mood benefit, with an oddly finicky dose-response.
- Sage ExtractThe same herb used in cooking, shown in several small trials to give a short-term memory and attention boost after a single dose.
- SulbutiamineA man-made version of vitamin B1 designed to reach the brain more easily, originally developed in Japan — people use it today for fatigue, though the human research behind that use is fairly limited.
- TaurineOne of the most abundant amino acids in your body, and you make it yourself.
- TheacrineA caffeine cousin sold as the kinder stimulant — the “no crash” claim is still thin.
- Uridine MonophosphateA natural cell-building compound your body already produces itself, sold as a brain supplement — though the most interesting human results come from a related, differently-formulated compound tested at much higher doses in a small psychiatric study.
- VinpocetineA lab-modified plant compound sold as a brain and circulation supplement, but one the FDA has said shouldn’t legally be sold as a supplement in the US — partly because of pregnancy-related safety concerns seen in animal studies.
- Yerba MateA caffeinated tea from South America, traditionally sipped hot through a metal straw from a shared gourd.
Food
- Black TeaAbout a third the caffeine of coffee, with tannins that blunt iron absorption.
- CoffeeThe most widely used stimulant on earth, and one of the best studied.
- Coffee MixInstant coffee, sugar and a fat-based whitener dried into one powder. The coffee is the smallest part of it by weight.
- Diet ColaNot the villain it is painted as. Also not the win it is sold as.
- EggsA genuinely complete protein — and a choline source most people overlook.
- Energy DrinkA coffee’s worth of caffeine, a cola’s worth of sugar, and B vitamins for show.
- EspressoReads as the most caffeinated coffee there is. Per cup, it usually isn’t.
- Green TeaThe calm-alert combination is real. The fat burning is a rounding error.
- Instant CoffeeA genuine niacin source, and the coffee with the most acrylamide.
- LecithinIt is the ingredient that stops oil and water separating — sold in a tub as though it were a breakfast cereal.
- Marmite (New Zealand)A thin scrape packs in more iron and B12 than most condiments ever will.
- QuailA small bird that is basically all dark meat — richer and fattier than chicken breast, gram for gram.
- Quail EggsQuail eggs are basically tiny, extra-rich chicken eggs — good protein and choline, but not a magic health food.
- VegemiteA little goes a long way, both for the B vitamins and the salt.
- Walnut ButterWalnut butter's fat is mostly the good, unsaturated kind, and it's the only nut butter with a real dose of plant omega-3s.
- Walnut OilWalnut oil is a plant-based source of omega-3 fat, but your body only turns a little of it into the same omega-3s found in fish.
- WaterTap, bottled and sparkling hydrate identically. What differs is fluoride, sodium and price.
Movement
- Alpine SkiingThe thighs burn on a long run because they are holding position rather than moving — a contraction they get almost no chance to rest from.
- American FootballThe work lasts a few seconds; what separates players is how much of their power is back before the next snap.
- ArcheryThe muscle doing the work is between your shoulder blades, not in the arm pulling the string.
- BadmintonA shuttlecock slows down faster than any other ball in sport, so a rally is a chain of accelerations and stops rather than a steady run.
- Balance TrainingA trainable capacity that declines with age faster than strength does.
- BaseballAlmost all of the physical cost of baseball is paid in a handful of seconds spread across three hours.
- BasketballThe running is what tires you during a game; the landings are what accumulate across a season.
- BMXAfter the first straight, the fastest riders are often the ones pedalling least — speed is carried by pushing and pulling the bike through the bumps rather than by turning the cranks.
- BowlingThe same arm swings, the same leg lunges, game after game — it is the one-sidedness rather than the effort that adds up.
- BoxingA punch starts at the floor: the back foot turns, the hips rotate, and the arm only delivers what the legs and torso produced.
- Brazilian Jiu-JitsuGrip is usually the first thing to fail, and losing it decides more rounds than getting out of breath does.
- BreathworkOne of the very few voluntary ways into your body’s automatic calming system.
- CricketA bowler repeats the same violent, one-sided action dozens of times an hour while everyone else on the field barely moves.
- CurlingThe two halves of the sport are physically unrelated: a slow, deep balancing act to deliver the stone, then a hard sprint of the arms to sweep it.
- DancingCardio that also trains memory, coordination and rhythm at the same time.
- DartsThe whole skill is repeating one arm movement identically, so the shoulder holds still while the elbow does the throwing.
- DivingEverything the dive will do is decided at the moment the feet leave the board — after that you can only change how fast you spin.
- Dynamic Warm-UpThe part everyone skips, and the one with better evidence than the stretching it replaced.
- EquestrianThe rider's work is set by the gait: a walk asks for almost nothing, a rising trot is a partial squat repeated for the length of the lesson.
- FencingAlmost every action is performed by the same leg leading and the same arm extending, for years — few sports are as one-sided as this one.
- Figure SkatingIce gives back almost no friction, so a landing that a runner would spread across a whole foot arrives through one thin steel edge.
- GolfAlmost all the health benefit comes from the four or five hours of walking; almost all the injury risk comes from the two seconds of swinging.
- GymnasticsA gymnast's hardest strength positions involve no movement at all — the body is held still while the muscles produce close to everything they have.
- Hang CleanStarting with the bar already off the floor removes the run-up, so the hips have to produce the whole lift from standing still.
- HurlingThe stick doubles the length of the arm, so a swing that looks like a flick of the wrists is actually the whole torso turning at speed.
- JudoA throw works by getting your hips under someone else's centre of gravity, which is why size matters less than it looks like it should.
- KarateThe low stances are not decoration — holding them is what makes the legs strong enough to throw a strike that finishes in one movement.
- Martial Arts & BoxingSkill practice that happens to be intense — and the learning is much of the benefit.
- MeditationOne of the few recovery practices with genuinely large trials behind it.
- Mixed Martial Arts (MMA)Grappling is mostly holding hard against someone who is moving, which fatigues muscle in a way that punching and kicking never do.
- Mountain BikingThe forearms are often working hardest on the descents, when the legs have stopped pedalling altogether.
- Muay ThaiThe kick lands with a nearly straight leg swung from the hip, so the shin arrives as one rigid bar rather than a whipping foot.
- NappingLength is everything — 20 minutes works, 90 minutes works, and in between does not.
- NetballThe footwork rule means you must stop dead the instant you catch, so every possession ends in a hard deceleration.
- Non-Sleep Deep Rest (Yoga Nidra)Lying at the edge of sleep on purpose, guided, without falling asleep.
- PickleballThe small court is what makes it demanding — there is nowhere to retreat to, so the ball comes back before you have finished recovering from the last shot.
- PilatesTrunk endurance and control rather than flexibility — which is what it gets mistaken for.
- RacquetballThere are four walls and no out of bounds, so a rally ends when someone cannot reach the ball, not when it leaves the court.
- Rock ClimbingA strength sport where working out the route limits you as much as your body does.
- SailingHiking out over the side is a held position, not a movement — the trunk works for minutes at a time without anything visibly happening.
- SkateboardingBetween tricks you are never actually still — small constant corrections at the ankles are what a session is mostly made of.
- SkatingTrains sideways movement, which almost every other cardio activity ignores.
- SnatchNobody pushes a snatch overhead — the lifter drops underneath the bar and catches it there.
- SnowboardingBoth feet are locked to one board, so you cannot correct a mistake by moving one leg — the whole body has to do it.
- SoftballUnderhand feels gentler than overhand, but the forces trying to pull a windmill pitcher's shoulder out of its socket are comparable.
- Speed SkatingThe blade never pushes backwards — it pushes sideways, which is why the inner thigh and outer hip work far harder than they ever do running.
- SurfingAlmost the entire session is spent lying face down on a board pulling yourself through water, and that is the part that changes your body.
- Suspension TrainingYou change the difficulty by changing your body angle, which makes progression very smooth.
- Table TennisThe ball crosses the table faster than a person can consciously react, so the skill being trained is anticipation rather than reflex.
- TaekwondoKicking height depends on how fast you can lift the leg, not on how far you can stretch it cold.
- Tai ChiThe best-evidenced fall prevention there is, which is not what it is usually sold on.
- Team & Racquet SportsStop-start hard effort, with a social and thinking layer machines do not have.
- TennisAlmost no time in a match is spent hitting the ball — the sport is mostly a few seconds of sprinting, then a pause, repeated for hours.
- Turkish Get-UpThe arm never bends and the weight never leaves vertical — everything else about the body changes underneath it.
- VolleyballEvery jump has to be landed, and the landings add up faster than the jumps do.
- WakeboardingThe rope pulls forwards while gravity pulls down, so the body is being loaded from two directions at once for the whole ride.
- Water SkiingThe muscles never shorten or lengthen much — they simply hold, which is why the burn arrives without any obvious movement.
- WrestlingAlmost nothing in a wrestling match moves fast; most of it is two people producing near-maximal force while barely moving at all.
Recipes
- Bacon, Egg & Mushroom BrunchThe weekend plate, with enough vegetables on it to earn its place.
- Baked Avocado & EggAn egg baked into half an avocado. Two ingredients, one tray, no technique.
- Boiled Eggs with SaltThe most portable protein there is, and the timer is the only skill involved.
- Clams with LinguineNo cheese, no cream, and no tomato. The sauce is clam juice, oil and pasta water, and that is enough.
- Crab LinguineThe crab is barely cooked at all — it is warmed through by the pasta and nothing else.
- Devilled EggsSix eggs, ten minutes of boiling, and about 6g of protein in each half.
- Egg Salad SandwichBoiled eggs, chopped rather than mashed, so it still has texture.
- Heart-Healthy Trail MixA portable, no-cook snack that keeps in a bag for days.
- Korean Rolled OmeletteAn omelette rolled in layers rather than folded once, which turns out to be easier than it looks.
- Miso-Glazed CodFour ingredients and eight minutes of work, and it is the best-looking plate in the library.
- Mussels MarinièreTen minutes, one pot, and about 40g of protein a serving for the price of a sandwich.
- Nori Snack SheetsAlmost no calories, a lot of iodine, and gone in about ninety seconds.
- Pickled Herring on RyeA northern European breakfast that will divide a household, and delivers more omega-3 than salmon does.
- Saffron RisottoTwenty minutes of standing over a pan stirring, which is the entire recipe and cannot be shortened.
- Salmon en PapilloteFish steamed in a paper parcel, which means no pan to wash and no way to overcook it.
- Salmon FishcakesThe mix has to be chilled before it is shaped. Skip that and they fall apart in the pan, every time.
- Salmon Sushi BowlEverything that makes a sushi roll good, without the rolling.
- Sardines on CrackersA tin, a cracker and a lemon. About 25g of protein and a week of B12 in four minutes.
- Sardines on SourdoughThe cheapest omega-3 on the shelf, on toast, in under ten minutes.
- Scallops with Pea PuréeScallops take ninety seconds a side. Everything else on the plate should be finished before they go in the pan.
- Smoked Mackerel & Beetroot SaladOily fish against sweet beetroot and bitter leaves — a plate built on contrast.
- Smoked Mackerel Rice BowlNo cooking at all if the rice is left over, and more omega-3 than most people get in a week.
- Smoked Salmon BagelThe café order, built at home in the time the toaster takes.
- Smoked Salmon ScrambleSoft scrambled eggs, taken off the heat before you think they are ready.
- Smoked Trout on RyeA Scandinavian breakfast that takes six minutes and eats like something you ordered.
- Spaghetti PuttanescaAnchovies, olives and capers — a sauce built entirely from things that live in a cupboard.
- Teriyaki Salmon BowlA glaze you make from two ingredients you already own.
- Tinned Mussels on ToastThe most underrated tin on the shelf, and about the cheapest iron and B12 you can buy.
- Tuna Poke BowlThe Hawaiian bowl that turned a can’t-fail combination — rice, fish, avocado — into its own genre.
- Turkish Eggs with YogurtPoached eggs on garlic yogurt under chilli butter. The best ten-minute breakfast anyone has invented.
- Two Brazil NutsTwo is the serving. This is the rare food where eating more is actively worse for you.
- Vegemite on ToastScrape it on. The single most common mistake is treating it like a spread rather than a seasoning.
Explainers
Other goals