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"Nootropic" covers caffeine, supplements and prescription drugs. Where the word came from, what healthy-adult research shows, Dutch rules and safety basics.

Gaming, focus and energy

Oct 12, 2026

11 min read

Rhodiola: what the research does and doesn't show

Rhodiola is tested for fatigue, stress, focus and exercise, each with different strength. What named extracts show, how to read a label, and safety.

Gaming, focus and energy

Oct 12, 202611 min read

Guarana and yerba mate: caffeine in different packaging?

Guarana and yerba mate are both caffeine sources. What is documented about each, how to read the numbers, and the caffeine, sleep and mate safety points.

Gaming, focus and energy

Oct 12, 202612 min read

Ginkgo: old ingredient, modern focus claims

What trials of ginkgo extract show in healthy adults, older adults and dementia, how EGb 761 differs from leaf powder, and which interactions matter.

Gaming, focus and energy

Oct 12, 202612 min read

Gaming Supplements vs Energy Drinks vs Coffee: What Each One Actually Gives You

Coffee, energy drinks, caffeine pills and a gaming tablet compared by caffeine per portion, sugar, sleep and what small gaming trials show.

Gaming, focus and energy

Oct 12, 202610 min read

Caffeine and L-theanine: what is the pairing about?

What trials of caffeine with L-theanine measured, how much may be down to caffeine, one small esports trial, EFSA caffeine figures and label arithmetic.

Functional mushrooms and adaptogens

Oct 12, 202611 min read

Shilajit: resin, labels and the research

A tub of tar with a pedigree: what shilajit is, what small trials measured, what labs found in samples and which label questions help (8 October 2026).

Functional mushrooms and adaptogens

Oct 12, 202611 min read

Reishi and sleep: what the research shows

Reishi's calming reputation versus the evidence: the only human sleep outcome is a company-funded five-mushroom blend. Labels and safety cautions.

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