Brain & Focus
Valerian Root for Sleep: 60 Studies, and Why They Disagreed
The sleep guideline suggests clinicians not use valerian. A 2024 umbrella review found no efficacy evidence. A 2020 meta-analysis of 60 studies says why.
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Brain & Focus
Nootropics and brain-health supplements measured against real cognitive research.
Brain & Focus
Glycine for Sleep: 11 People, 2 Nights, and the Company That Sells It
The follow-up trial analyzed seven men, all employees of the company that makes glycine. What the sleep evidence really shows, and what it measurably did not.
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Brain & Focus
NeuroPrime Reviews: Three Different 'Official Websites'
Three sites call themselves the official NeuroPrime store, on three different servers, all registered in the last ten months. No dose disclosed on any.
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Brain & Focus
Advanced Memory Formula Review: 80 mg Ginkgo, 240 in the Trial
Every ingredient is quantified — rare and welcome. The problem is the amount: ginkgo at 80 mg, against the 240 mg a day of the trial that found no benefit.
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Brain & Focus
Ginkgo and Memory: 277 Dementia Cases on Ginkgo, 246 on Placebo
GEM ran 6.1 years in 3,069 people aged 75 and over. Dementia hazard ratio 1.12, and cognitive decline rates were identical in every domain measured.
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Brain & Focus
Ashwagandha Works Modestly. Its LiverTox Score Is B.
The sleep meta-analysis asked for more safety data. It arrived as case reports of jaundice, and the NIH now rates ashwagandha a likely cause of liver injury.
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Brain & Focus
Lion's Mane: How Long It Takes, and What Happened After
The best-known trial found real gains at 8, 12 and 16 weeks. Four weeks after people stopped taking it, the scores fell back.
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Brain & Focus
Creatine and Sleep Deprivation: What One Dose Did
A crossover trial gave 15 people one large creatine dose during 21 hours awake and scanned their brains. The result is real; the dose is not what you take.
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Brain & Focus
Magnesium L-Threonate: Does It Really Help the Brain?
An honest look at magnesium L-threonate (Magtein): the brain-magnesium claim, the thin human evidence, dosing, cost, and whether it beats cheap glycinate.
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Brain & Focus
The Best Supplements for Sleep, Ranked by the Evidence
Melatonin, magnesium, L-theanine, and more: which sleep supplements actually have evidence, the honest order, and why sleep habits beat any pill.
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Brain & Focus
Ashwagandha for Stress and Sleep: What the Evidence Shows
Ashwagandha has some of the best evidence of any calming herb, but it's not magic. What the trials show for stress, cortisol, and sleep, plus who should avoid it.
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Brain & Focus
L-Theanine for Focus, Calm, and Sleep: Does It Work?
L-theanine promises calm focus without jitters. What the research actually shows for stress, attention, the caffeine combo, and sleep, plus sensible doses.
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