Nootropics.
Evidence-led reading on nootropics from the HL Benefits desk. Long reads, careful guides, and the boring-but-true positions the research keeps settling on.
Rhodiola Rosea: The Adaptogen for Fatigue, Focus, and Altitude Performance
What the clinical trials actually show about Rhodiola rosea for stress, fatigue, and altitude performance, and why supplement quality matters more than you think.
Photograph · HL BenefitsThe latest, in long form.
Browse all 11 →
Magnesium L-Threonate for Brain Health: Crossing the Blood-Brain Barrier
Magnesium L-threonate is the only form shown to raise brain magnesium levels in animal studies. Three recent RCTs suggest cognitive and sleep benefits in humans.
Holy Basil (Tulsi) for Stress and Anxiety: What Clinical Trials Show
NootropicsDihydroberberine: The More Bioavailable Alternative to Berberine for Blood Sugar
NootropicsApigenin: Sleep, Testosterone, and Anti-Cancer Properties — What Research Actually Shows

Lion's Mane Mushroom: Brain Health, Nerve Growth Factor, and What Research Shows
A research-grounded guide to lion's mane mushroom and its effects on nerve growth factor, cognitive function, and brain health.

Alpha GPC: Brain Health Benefits, Dosage, and Side Effects
A research-backed guide to alpha-GPC covering brain health benefits, dosage protocols, side effects, and comparisons to other choline supplements.

Methylene Blue: The Industrial Dye Biohackers Are Taking for Brain Health
Methylene blue has genuine neuroscience behind it, but genuine neuroscience and a safe supplement are not the same thing.
We started this section because the conversation about nootropics had become unbearable — too loud, too certain, too often selling something. The boring middle — what the evidence actually supports, repeated across decades, written without a brand to defend — is not a position you can monetize, but it is the position the research keeps quietly settling on.
Companion sections.
All sections →Health
A companion section to nootropics, with its own evidence-led reading list.
Food & Nutrition
A companion section to nootropics, with its own evidence-led reading list.
Weight Loss
A companion section to nootropics, with its own evidence-led reading list.
Definitive guides.
All guides →
Modafinil Benefits: What the Research Actually Shows
A comprehensive look at what modafinil actually does, backed by clinical research and meta-analyses.

Beginner's Guide to Nootropics: Brain Upgrades
A claim about nootropics is not a study. A study is not a meta-analysis. A meta-analysis is not a guideline. The article doesn't fit on a label.
