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Caffeine works. The mechanism is clear, the evidence is robust, and most people are still using it wrong. Here's the systems-level breakdown.

Most people think creatine is for muscles. The brain uses it too — and the evidence for cognitive benefits is more compelling than most people realize.

Most people are either underdosing or misreading the label. Here's exactly how much magnesium glycinate to take — and when.

Most people are sleeping in rooms that are too warm — and it's silently destroying their deep sleep. Here's what the research actually says.

You slept 8 hours. You should feel rested. You don't. The problem isn't how long you slept — it's what happened while you were sleeping.

Not all magnesium supplements improve sleep equally. A systems-level breakdown of the 4 forms that actually work — and the one most people are wasting money on.

Your body can't enter deep sleep without dropping its core temperature. Most people are sleeping 5–8°F warmer than optimal — and paying for it every morning.

A systems-level breakdown of bioavailability, blood-brain barrier penetration, and which form the clinical evidence actually supports.