The Journal
The science, written plainly.
Mechanisms, not marketing. What the research actually shows about gut barriers, cellular energy, dermal repair and recovery — and where the honest limits are.
Featured · Microbiome science
The gut–longevity axis: why ageing starts in your intestines
How intestinal permeability drives the low-grade inflammation that accelerates collagen loss, insulin resistance and cognitive fog — and what repairs it.
12 August 2026 · 7 min readScience
Mechanisms and evidence — what the research shows, and where it stops.

Longevity science
Capacity ageing: why reserve, not years, decides how you age
Ageing is the slow loss of spare capacity. The six numbers that describe your margin, and which interventions actually move them.
19 August 2026 · 11 min read
Longevity science
NAD+ depletion: the quiet reason forty feels different
NAD+ levels can fall by half by mid-life. What the coenzyme does, why it declines, and whether NMN supplementation is worth the money.
5 August 2026 · 6 min read
Dermal biology
PDRN and peptides: signalling repair rather than adding moisture
Most skincare hydrates. A smaller category instructs fibroblasts to rebuild. The difference between occlusion and signalling, explained.
28 July 2026 · 5 min read
Recovery science
Sleep, magnesium and the repair window you are probably wasting
Growth hormone, collagen synthesis and autophagy all run on the night shift. Why recovery, not training, is usually the limiting factor.
21 July 2026 · 6 min readGut health
Barrier integrity, microbial diversity and the absorption everything downstream depends on.

Microbiome science
The gut–longevity axis
How intestinal permeability drives the low-grade inflammation that accelerates collagen loss and cognitive fog.
12 August 2026 · 7 min read
Recovery science
Sleep, magnesium and the repair window
Growth hormone, collagen synthesis and autophagy all run on the night shift.
21 July 2026 · 6 min read
The range
Formulations for the gut
Zinc L-carnosine, L-glutamine and the synbiotic pairing that rebuilds the barrier.
Shop gut & digestion →New section
Neuroscience
Seven in-depth pieces on neuroplasticity, metacognition, L-theanine and focus, brain ageing and the supplements that support each pathway.
Read the section →Get the briefings
We send one email a fortnight — the reasoning behind a formulation, or a piece of research worth knowing about. No daily marketing.

