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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, 2026

12 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.

Gaming, focus and energy

Oct 12, 20269 min read

Bacopa: where does the memory interest come from?

Bacopa trials report better scores on some memory tests after about 12 weeks. What they tested, where reviews disagree, side effects and interactions.

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.

Functional mushrooms and adaptogens

Oct 12, 202610 min read

Lion's mane: the mushroom behind the focus claims

Lion's mane's focus reputation starts in cells and animals; human trials are small. Why fruiting body, mycelium and extract labels matter.

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