The Focus Stack
Topics

Supplements

What works, what might, and what is mostly marketing, graded by evidence.

Supplements

Caffeine, Done Right: Dose, Timing and the Afternoon Cut-Off

The world's favourite focus drug is also the most misused. How much actually helps, when to drink it, the myths to drop, and how to keep it from wrecking your sleep.

8 min read
Supplements

Caffeine + L‑Theanine: The Best-Studied Focus Stack

Coffee brings the push, L-theanine takes the edge off. The key trials, the doses they used and how to build the stack yourself.

8 min read
Supplements

Creatine for Your Brain: The Gym Supplement Hiding a Cognitive Upside

Creatine is one of the safest, cheapest and most studied supplements on earth. The evidence for its brain benefits is real, but it helps some people far more than others.

7 min read
Supplements

The Nootropic Hype Check: Bacopa, Rhodiola, Ashwagandha, Lion's Mane and More

The supplements all over your feed, checked against the actual human research. Some earn their place. Some are mostly marketing.

9 min read