The Library
The reasoning behind the system, and the science it stands on. Search it, or browse by field.
Peak vs. baseline
Most supplements are built to lift one hour. The day is not one hour. The idea the whole system rests on.
The afternoon crash, explained
It is not the lunch. It is two biological clocks meeting in the middle of your day, and what actually helps.
Ashwagandha, KSM-66
Why root-only, why 300 mg and not 600, why the evening. Including who should not take it.
Sleep pressure, explained
The homeostatic drive that builds across waking hours, signalled by adenosine, and how it shapes the day.
Caffeine is not the problem
The timing is. How a half-life turns an afternoon fix into a worse tomorrow.
Why recovery starts before bed
Recovery is a process that begins in the hours before sleep, not a switch flipped at lights-out.
The circadian day
The internal clock that sets when you are sharp, when you dip, and when you wind down.
What a supplement can and cannot claim
Why supplement language is regulated, what an authorised claim means, and how to read one honestly.
Why more is not better
Benefit follows a curve that plateaus. The dose worth taking is the studied one, not the biggest number.
Acute vs cumulative
Some ingredients work within the hour, others only after weeks. Confusing the two misjudges a supplement.
Why three layers
The day is not one state. Three layers, because a day has three jobs: come up, hold steady, wind down.
Standardised extracts, explained
Why a herb on a label means little without a percentage, and what that percentage guarantees.
Adaptogens, honestly
A real pharmacological idea and a loose marketing word share the same name. Which is which, and how to tell.
Cortisol and the stress curve
Cortisol is not the villain it is sold as. It has a daily rhythm and a job, and the problem is when it flattens.
L-theanine
An amino acid from green tea, used in the evening layer for calm without sedation.
The forms of magnesium
Why bisglycinate and malate differ, and which form belongs in which layer.
Rhodiola rosea
An adaptogen with a real but modest evidence base, and what it is doing in the morning layer.
Citicoline
A cumulative nootropic that works over weeks, not minutes. Why it fits the morning layer.
Bacopa monnieri
A cumulative memory herb. A 2026 network meta-analysis on what it does, and what it does not.
L-tyrosine
The amino acid that helps under pressure and does little without it. The distinction is the point.
Saffron
One of the better-evidenced botanicals for mood. What that means, and the line we do not cross.
Ginkgo biloba
Acute attention speed and cerebral blood flow, at the studied 24/6 specification.
Valerian
Twenty-five centuries of use, three concordant meta-analyses on subjective sleep.
Lemon balm
A calming herb with a modest but real evidence base, and valerian's evening partner.
Pine bark extract
A proanthocyanidin antioxidant with a real cardiovascular evidence base. Circulation, not stimulation.
Cordyceps
Oxygen economics under load: 14 pooled RCTs and two immune trials.
enXtra
Five randomised trials: alertness that holds five hours without caffeine.
Astragalus
The immune keel, tested in elite rowers at peak training load.
Vitamins and minerals
The micronutrient base, and the one place the system makes claims regulators have formally authorised.
Reducing the afternoon crash
A practical order of operations for the mid-afternoon dip, evidence-supported steps first.
Optimising caffeine timing
How to keep caffeine's benefit while it clears before it damages the night.
Sleep consistency
Why the regularity of your sleep timing may matter more than the hours themselves.
The deep work block
Structuring a day around sustained attention instead of chasing a single stimulant peak.
Tolerance and cycling
Why caffeine stops feeling like it used to, what resets it, and the honest state of cycling advice.
Stress is load, not failure
Allostasis reframes stress as the operating cost of demand. The cost compounds only when recovery never balances it.
What feeling it means
The felt, same day lift is the worst measure of whether a supplement works. What to judge instead.
The evening wind-down
A 60 to 90 minute downshift built on the three levers with real evidence: light, temperature, a quiet mind.
Morning light
The strongest signal the body clock receives, and how to use the first hour without the folklore.
The travel protocol
Crossing time zones costs about a day per zone. Timed light is the lever that changes the price.
Training days
The honest ranking for training days: sleep and caffeine carry the evidence, botanicals support the baseline.
Still tired after eight hours
Hours are the input, not the outcome. What full nights fail on, and what is normal morning fog.
Waking at 3 am
Night awakenings are architecture, not malfunction. What turns a brief arousal into an ordeal.
Wired but tired
Exhaustion and arousal are separate systems. The body can be depleted while the stress axis stays on.
Adrenal fatigue, honestly
The symptoms are real. The diagnosis is not. What the evidence found, and what the tiredness actually is.
The cortisol myths
Cortisol face, cortisol detox and the mail order test, measured against what endocrinology knows.
Morning anxiety and the waking surge
You wake into a hormone surge by design. When the dread is physiology, and when it is not.
Melatonin, honestly
A hormone, not a herb. Effective for shifting the clock, oversold for insomnia, absent here on purpose.
Quitting caffeine
The withdrawal timeline hour by hour, why a taper beats cold turkey, and what you get back.
Caffeine-free focus, compared
Citicoline, L-theanine and L-tyrosine solve three different focus problems. The honest comparison.
Magnesium, ranked by evidence
Glycinate, malate, threonate, citrate and oxide are different tools, not a leaderboard.
How long until it works
The honest timeline for every ingredient, from the first hour to week twelve.
The dosage table
Every ingredient in the system on one page: form, standardisation, dose, and grade.
Creatine and the brain
Real, smaller than the hype, and strongest exactly when the system is stressed.
Ashwagandha: safety, side effects, staying power
In trials it behaves like placebo. Outside them sit two real signals and a lot of anecdote.
Alcohol and recovery
No moralizing, just the mechanism and the dose thresholds where the night starts paying.
The nap protocol
Ten minutes works, thirty backfires, and the timing decides whether it serves the night.
Shift work
Jet lag at home. The three levers with evidence: light both ways, anchor sleep, timed caffeine.
How we handle evidence