Fitness advice you're actually allowed to check.
Ninety-seven titles where every factual claim names its source, every opinion is labelled as one, and the complete audiobook is included. Check any of it. Then try the same with the last thing your feed told you.
Tell me where you are. I'll tell you what to read.
Ninety-seven titles is a lot to choose from cold. Answer the questions and you get a reading order built for your week, how long you've been training, and the specific thing currently going wrong.
Most people arrive here having already followed instructions that were never going to work, and quietly concluded the failure was theirs. It usually wasn't. Start with the right three books instead of the loudest three.
- No email needed to see your result
- Nothing is stored or sent anywhere
- Every recommendation names a price
Answers never leave your browser
Seven of ninety-seven · volumes, field guides and programmes
One claim, shown the whole way down.
Every factual claim in the Library carries a grade. Not a star rating — a statement of what kind of thing the claim is, so you know how much weight it can hold. Here is a real one, lifted out of Volume 11, with nothing removed.
One week of five-hour nights lowered daytime testosterone by 10–15% in healthy young men.
The caveat, which is not optional: ten men, average age 24, one laboratory week. That is a real effect in a small, young, healthy sample — not a prediction about you, not a diagnosis, and not a reason to buy anything. It is evidence that short sleep does something measurable, and that is all it is.
Source: Leproult R, Van Cauter E. Effect of 1 Week of Sleep Restriction on Testosterone Levels in Young Healthy Men. JAMA. 2011;305(21):2173–2174.
A named study, meta-analysis or position stand sits next to the sentence. Check it yourself.
House guidance drawn from consensus. Called guidance, never "studies show".
Twenty-five years of coaching, labelled as experience rather than evidence — the twenty-five years.
Worked arithmetic to make a point. Never stated as a statistic, because it isn't one.
Four formats, one argument.
The curriculum
Eight tiers, Vol. 0 to Vol. 50. It starts with how to read a study, so that by the end you can judge a claim without me — including the ones I make.
The specific mess you're in
One problem, one short book. Knees. Shift work. Plateaus. The week you travel.
What to do on Monday
Every session written down, with the progression rules and the reason each one is there.
Food for a Tuesday
Recipes for people who cook after work, not for a photograph.
- PDF plus the complete audiobook
- One payment. Still yours in ten years
- Every factual claim carries its source
- Narration is an AI voice, disclosed on every product
Everything, for less than seventeen volumes.
Seventeen volumes bought one at a time is $204. The Complete Library is all ninety-seven titles for $199 — $2.05 each, against $1,282 if you bought them separately. Check the arithmetic; that is rather the point of this whole enterprise. No subscription. Nothing renews. Nothing expires.
Foundations — Volumes 1 to 6
- How to read a study
- Anatomy, energy systems, programming
- Testing, and coaching the person
- Six audiobooks included
The Complete Library — all 97 titles
- All 51 volumes, zero to genuinely educated
- 25 field guides for the specific mess you're in
- 15 programmes with every session written down
- 6 cookbooks for people who cook on a Tuesday
- Every audiobook included. One payment.
The 50 Volumes — the complete spine
- The full curriculum, Vols 1–50
- Eight tiers, one continuous argument
- Fifty audiobooks included
- Without the guides, programmes or cookbooks
The Spine is the fifty volumes. The Complete Library is those same fifty plus forty-seven more things — every field guide, programme and cookbook — for fifty dollars more. If you are choosing between those two, that is the whole comparison.
- Checkout and delivery run on Payhip, not on this site
- No account to create — the download link is emailed to you
- PDF plus the complete audiobook, included, nothing renews
- The audiobook is narrated by an AI voice, disclosed on every product
- Payhip is Merchant of Record; refund terms are shown at checkout
- Broken, missing or wrong file? Email me and it gets replaced
Why you should believe any of this.
Nelson is a certified fitness professional — not a doctor, nutritionist, physiotherapist or psychologist. What that means in practice →
Most fitness advice is confidently wrong.
Not maliciously. It's simply cheaper to repeat a claim than to check one. So the same ideas circulate for decades — the thirty-gram protein ceiling, the fat-burning zone, the supplement that made someone rich — untethered from the research that was supposed to support them.
The Sequeira Library takes the opposite approach, which is slower and less exciting and happens to be correct: read the studies, state what they actually found, show the citation, and admit when the evidence is thin.
Authority comes from the citation. Clarity comes from the picture. Never reverse the order.
An eight-year-old should be able to follow the explanation. A researcher should be able to check the source. Both walk away smarter. That's the whole standard.
A practitioner, not a publisher.
Nelson Sequeira. Twenty-five years teaching group exercise across Portugal, Bahrain and the United Arab Emirates, comfortably past ten thousand classes, and still teaching every week. Not a doctor, not a nutritionist, not a physiotherapist — which is the point, not the small print.
Vol. 0 — The Manifesto
Free, in full. Includes the complete audiobook. No upsell inside — just the argument for an evidence-first approach to your own body.
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