THE JOURNAL
Evidence, education, and practical strategies for stronger health after 40.
magnesium
Sperm counts down 52%. Young men's testosterone down 25% since 1999. Girls entering puberty earlier every decade. Here is the full evidence file — the depleted soil, the chemical load, and what...
Read articleberberine
Berberine is the internet's most-searched supplement — and "nature's Ozempic" is marketing, not science. Here's what it actually does.
Read articleFocus
The amino acid that keeps coffee's focus without the jitters — and helps you wind down at night. Doses, timing, and the 2:1 caffeine ratio.
Read articleInflammation
Inflammaging is real — but most anti-inflammatory supplements are underdosed. The four that earn their place, and the doses that matter.
Read articlefat loss
Why belly fat changes after 40 — and the measurement, nutrition, training, and sleep protocols that actually reduce visceral fat.
Read articleCreatine
Creatine is the most studied supplement on earth — and women over 40 were left out of the conversation. Here is the dose, the protocol, and the truth about bloating.
Read articleCortisol
Your cortisol problem after 40 isn't a high number — it's a flattened daily curve. Here's the protocol that rebuilds it.
Read articleBlood Sugar
Your CGM graph is not the enemy. Here is what a spike after 40 actually means — and the four levers that flatten it.
Read articleLongevity
Your ring says "unrecovered" but you feel fine. Here's what HRV after 40 actually measures — and how to train with the trend, not the daily number.
Read articleEnergy
Hit a wall at 2 p.m.? Your mitochondria, not your willpower, are usually the reason. Here is the training, food, and supplement fix after 40.
Read articleaging
Grip strength predicts aging better than almost any number you can measure. Test yours in 30 seconds — then fix it in six weeks.
Read articleBone Health
The weighted walk that builds bone, burns fat, and spares your knees — plus the six-week progression to start rucking after 40.
Read articleFIRST VISIT?
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