
N-Acetyl-L-Tyrosine (NALT) vs L-Tyrosine
NALT dissolves better, but does it deliver more tyrosine to your brain? Compare bioavailability, absorption, and real-world cognitive benefits of NALT vs
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Nootropics

NALT dissolves better, but does it deliver more tyrosine to your brain? Compare bioavailability, absorption, and real-world cognitive benefits of NALT vs

Panax ginseng stimulates, American ginseng calms—but why? Learn how ginsenosides Rg1 and Rb1 explain their opposite effects before you buy.

The 2023 taurine and aging study made big claims. Here's what the animal data actually showed, why human evidence is thin, and what a 2025 paper changed.

Discover how the VITACOG trial linked homocysteine and brain shrinkage—and how B vitamins slowed cognitive decline in older adults with mild memory

The COSMOS trial tested cocoa extract in 21,000+ adults for 3.6 years. The headline results are misleading—here's what the data actually showed.

The Kuhman 2015 theacrine cognitive performance study showed mood boosts but no measurable brain performance gains. Here's what the data actually says.

A 2017 PK study found caffeine boosts theacrine absorption significantly. Learn what the theacrine caffeine interaction study means for your supplement

A 4-week methylliberine safety study tracked 125 adults on Dynamine. Here's what the data show about heart health, blood markers, and effective doses.

Discover how the landmark l-theanine alpha waves study proves this amino acid boosts relaxed focus—not sedation—via measurable EEG brain activity.

A 2025 EEG trial found l-theanine caffeine cut reaction time by 38ms in sleep-deprived adults. See what the brain data reveals about this popular stack.

What did the 2010 Giesbrecht trials actually find about l-theanine caffeine task switching? One clear win, two flat lines—here's what the data really

Does piracetam work? The Cochrane review says the evidence is too weak to recommend it. See what the research actually shows about this original nootropic.

Discover who invented nootropics: Romanian chemist Corneliu Giurgea coined the term in 1972 alongside piracetam and a strict 5-part definition still used

The SmartAge trial tested spermidine for memory in older adults. The results surprised researchers. Here's what the data actually shows about spermidine

Discover the science behind the uridine DHA choline stack from MIT labs. Learn how these three nutrients build synaptic membranes and what research really

Does reishi for sleep really work? We break down the animal studies, limited human trials, and what the evidence actually says before you buy.

The most cited lion's mane study tested just 30 older adults. Learn what the Mori 2009 trial actually proved—and where the evidence stops.

A spice vs Prozac—real clinical trials compared saffron vs fluoxetine for depression. See what the data actually shows and where the limits are.

A decade of RCTs on resveratrol and cerebral blood flow in postmenopausal women. See what the data actually shows about cognition, dosage, and limitations.

The GEM study tested ginkgo biloba for dementia prevention in 3,000+ adults over 6 years. Here's what the largest ginkgo trial actually found.

A Cornell choline pregnancy study gave mothers 930 mg/day in the third trimester. Seven years later, their children showed measurably better sustained

A 1999 trial of 68 teenagers is still the top citation for huperzine A supplements. Learn what the study actually found—and why it's easy to over-read.

The Nakazaki citicoline memory study tested 500mg daily in older adults. Here's what the data actually showed—and what most summaries get wrong.

The McGlade citicoline attention study tested 250mg and 500mg doses in adolescent males for 28 days. See what the data actually shows—and where it's