Vol. 01 · Edition No. 02·The Science of Testosterone

The Journal.

Field notes on testosterone, metabolic health, and training — written from the literature and 30+ years of coaching real bodies. No recycled blog-spam, no invented statistics.

Editor · Teji Randhawa Cadence · Weekly Reading · Free, no signup
Latest issue
Pre-dawn training session, single-source tungsten light Issue 014
The Science · ~7 min read · 19 May 2026

Why your testosterone dips after 35 — and the one lever that actually moves it.

A clear-eyed read on insulin resistance, SHBG, and the cascade most men get wrong. What the metabolic-health literature actually says — and the single intervention with the most leverage.

Read the article

Coming soon to the Journal

Drafts in progress · published weekly
Teji coaching on the gym floor before openNew · 28 May
The Formula

The 13 ingredients — and why these 13

A line-by-line walk through the whole formula, grouped by job, including the four I almost cut.

Published · ~9 min read
Macro of the dual-capsule systemIn the works
The Formula

The dual-capsule system, explained

Why the actives are split into morning and night capsules instead of one pill — and what the timing is meant to do.

Draft · est. June 2026
Strength trainingIn the works
Training

Lifting after 40: the recovery math nobody tells you

How recovery windows shift with age, why volume matters more than intensity, and how to program around it.

Draft · est. June 2026
Lab and testingIn the works
Quality

What an Eurofins certificate actually proves

A plain-language walk through a real Certificate of Analysis: heavy metals, microbials, and why batch testing matters.

Draft · est. July 2026

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