Hydration and Electrolytes: How Much Water Do You Really Need?
The eight-glasses rule is a myth. For healthy people thirst is a reliable guide and urine colour a...
Longevity & Supplement Guides
Evidence-scored guides to supplements, biomarkers, and daily protocols. Written the way we score our products: honestly.
Intermittent Fasting: What the Evidence Actually Shows
Intermittent fasting mostly works by making it easier to eat less — not a metabolic magic trick. What...
Fibre and the Gut Microbiome: Feed the Ecosystem
Fibre is the nutrient most people miss — and the food supply for the trillions of microbes in...
Glucose Spikes and Steady Energy: What Actually Helps
The daily energy rollercoaster is often blood glucose. What a spike is, the simple habits that flatten it,...
How Much Protein for Longevity? The RDA Is a Floor
Most people under-eat protein, and the reference intake is a floor, not a goal. How much active and...
Caffeine and Sleep: Why the Afternoon Cup Matters
Caffeine masks tiredness rather than removing it, and with a 5–6 hour half-life an afternoon coffee can still...
Sleep Stages Explained: Light, Deep, and REM
Sleep is a structured cycle of light, deep and REM stages, each doing different work — deep sleep...
Circadian Rhythm: How Light Sets Your Body Clock
Your body runs on a clock that expects a regular day, and light is the signal that sets...
Breathwork for Stress: Why Slow Breathing Works
Breath is the one autonomic lever you can consciously operate. Why slow, long-exhale breathing shifts your nervous system...
Sauna and Cold Plunges: What the Evidence Actually Says
Heat and cold are sold as one proven ritual, but the evidence differs sharply. Sauna's observational case, cold's...
When to Push and When to Rest
Fitness is built in recovery, not the workout. How to read your HRV, resting heart rate, sleep and...
Your Resting Heart Rate: What the Morning Number Means
Resting heart rate is a low-effort, high-signal barometer of fitness and recovery. What's normal, why lower is usually...
