The silent decline
3–8%of muscle mass lost per decade after 30, accelerating after 60. Silent until a fall, or a jar lid that will not turn.
Age-related sarcopenia · sarcopenia literature
Seven volumes · 1,230 pages
Everything you have been told about your health contradicts something else you have been told
Seven volumes across strength, cardio, nutrition, sleep, hormones, heat and cold, and peptides. Every claim marked settled or disputed, and traced to a named researcher. So you can tell the difference.
1,230 pages · 124 chapters · positions attributed to named researchers
The stakes
This is not one problem. It is seven.
Each moves on its own schedule. Here is what is at stake in three of them, with the sources.
Why it matters
16%higher all-cause mortality for every 5kg of grip strength lost — a stronger predictor than systolic blood pressure.
PURE study · ~140,000 adults · 17 countries
The biggest lever
5.04×the risk of early death for the least fit versus the fittest. Cardiorespiratory fitness is the most powerful modifiable predictor of premature death we have.
Cardiorespiratory fitness · all-cause mortality
None of this waits for a decision. The decline runs on a schedule whether or not you act, and the cost of not knowing is measured in years of function.
Why these books are different
Most health books tell you what.
These tell you why, and how sure to be.
Most books in this category sell certainty. These do the opposite, and that is the point: they tell you what the field has settled, what it still disputes, and who is on each side.
Mechanism before protocol
Understand the biology first, so you can adapt a protocol to your life rather than following it blind.
Settled versus disputed
The books state which is which, by name. Positions are traced to specific researchers and graded by confidence.
Protocols you can run
Specific programming with dose, timing and progression. Not vague encouragement to move more.
Honest about risk
Real safety sections, and a clear line between what is well supported, what is speculative, and what is dangerous.
Look inside
Read it before you buy it
Real interior pages, not marketing renders. Every claim in context, with its reasoning shown.
Plain honesty
Who this is not for
The books distinguish what they can and cannot support. It is only fair the sales page does too. Do not buy these if you are one of the following.
- You want a meal plan or programme to follow without understanding it. These explain the mechanism first and expect you to do the thinking. That is the whole design.
- You are looking for a quick fix. Nothing here works in a week. It works over months, because that is how the biology works.
- You want certainty where the evidence does not support it. On the contested questions the books say “we do not know yet”, and mean it. If that frustrates you, this is the wrong series.
If none of that put you off, you are exactly who they were written for.
Choose your start
One volume, a bundle, or the whole system
Single volume
£9.99
One edition · from 103 pages
- Any one of the seven volumes
- Full appendices and glossary
- Best if you want one subject
Three-volume bundle
£29.97 £24.99
Save 17% (£4.98)
£8.33 per volume
- Build, Balance or Recover
- Three complementary editions
- A themed starting system
Best value
Complete collection
£69.93 £39.99
Save 43% (£29.94)
£5.71 per volume · ~3.3p per page
- All seven volumes, 1,230 pages
- The complete mechanism-first system
- Everything, for less than two singles each
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Before you buy
Straight answers
What format is it, and will it work on my phone or Kindle?
Each volume is a PDF, readable on any phone, tablet or computer. For a Kindle, you can send the PDF to your device with Amazon’s “send to Kindle”.
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Instantly. Gumroad emails you a download link the moment the payment clears, and the file is yours to keep.
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Yes. You buy the volume or the collection once. There is no subscription and nothing recurring.
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You can re-download from your Gumroad receipt at any time, including any later revision to a volume you already own.
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Prices are shown before tax. Gumroad adds any VAT or sales tax required for your country at checkout, and handles the paperwork.
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