Research Articles
Evidence-based overviews of nootropic peptides, brain health, and cognitive performance research.
GABA Pathway Nootropics: Anxiety, Sleep, and Cognitive Control — What the Evidence Shows
An evidence-grounded review of the GABAergic system and the compounds that modulate it — from phenibut and L-theanine to ashwagandha and magnesium — including honest risk-benefit analysis.
Pinealon: The Khavinson Bioregulator Tripeptide and Cognitive Research
Pinealon is a Glu-Asp-Arg tripeptide from the Khavinson bioregulator school, positioned alongside Epitalon as a pineal-tissue-targeted peptide proposed to modulate gene expression. This research review covers the mechanistic claims, preclinical signals, and the sparse human data.
Sleep Architecture and Cognition: How Sleep Stages Shape Memory, Learning, and Brain Health
A research-focused breakdown of how NREM and REM sleep stages drive memory consolidation, synaptic homeostasis, glymphatic waste clearance, and long-term cognitive performance.
5-HTP vs L-Tryptophan: Serotonin Pathway Research and the Bioavailability Trade-Off
An evidence-grounded comparison of 5-HTP and L-tryptophan for serotonin biosynthesis — covering the TPH rate-limiting step, peripheral conversion concerns, SSRI interaction safety, and the small RCT evidence base for mood and sleep.
Methylene Blue at Low Doses: Mitochondrial Mechanism, Cognitive Evidence, and Serious Drug Interactions
A research overview of low-dose methylene blue (0.5–4 mg/kg) as a Complex IV electron acceptor, MAO-A inhibition at higher concentrations, the SSRI serotonin syndrome risk, fMRI cognitive evidence, and the USP-grade purity question.
PQQ (Pyrroloquinoline Quinone): Mitochondrial Biogenesis and Cognitive Research
PQQ sits at the intersection of mitochondrial biogenesis research and cognitive supplementation, with mechanistic evidence for PGC-1α activation, a durable redox cofactor role, and small RCTs on memory and attention. Here's how it compares to CoQ10 and what current dosing data suggests.
Metabolic Dysfunction and Dementia: Why Insulin Resistance Is a Brain Problem
The 'Type 3 diabetes' hypothesis proposes that Alzheimer's disease involves brain insulin resistance. Here's what the evidence shows about how metabolic syndrome damages brain structure, accelerates cognitive decline, and what interventions have the strongest data.
Semax vs Selank: A Deep Comparison of Russia's Two Flagship Nootropic Peptides
A detailed mechanistic and research comparison of Semax and Selank — their receptor targets, neurochemical profiles, clinical research bases, and distinct use cases for cognitive performance and anxiety research.
Cortisol and the Hippocampus: How Chronic Stress Shrinks Your Brain
Chronic elevated cortisol causes hippocampal atrophy, impairs memory consolidation, and disrupts neurogenesis. Here is what the neuroscience shows and what the evidence says about reversal.
Flow State Neuroscience: The Brain Science Behind Peak Performance
What happens in your brain during flow state — dopamine, norepinephrine, anandamide, and transient hypofrontality. Evidence-based protocols for inducing flow and sustaining peak cognitive performance.
Cerebrolysin: A Research Overview of the Neuropeptide Mixture and Its Clinical Trial Record
A research-only overview of cerebrolysin — its porcine-derived neuropeptide composition, BDNF-like and NGF-like active fractions, proposed neuroprotective mechanisms, and the clinical trial record in stroke rehabilitation, Alzheimer's disease, vascular dementia, and traumatic brain injury.
Acetylcholine Optimization: The Neuroscience of Memory, Focus, and Cognitive Control
A research-focused examination of acetylcholine's role in memory consolidation, attention, and executive function — including dietary precursors, acetylcholinesterase inhibitors, and evidence-based stacking strategies.
Nootropics for Programmers: A Research-Based Cognitive Stack Guide
A research-grounded guide to nootropics for software developers — covering caffeine+L-theanine, Lion's Mane, Bacopa, Rhodiola, Phosphatidylserine, and emerging compounds, with practical stacking protocols and dosing ranges.
Noopept: Cognitive Enhancement, BDNF, and the Research Evidence
Noopept (GVS-111) is a synthetic dipeptide derived from piracetam with reported nootropic effects at doses 1,000x lower than piracetam. Here's what the preclinical and clinical research shows about its mechanisms, cognitive effects, and where the evidence is solid versus preliminary.
The Gut-Brain Axis: How Your Microbiome Controls Cognition and Focus
The science behind the gut-brain connection — vagus nerve signalling, microbiome-derived neurotransmitters, leaky gut and neuroinflammation, and evidence-based interventions to optimise the gut-brain axis for cognitive performance.
Bacopa Monnieri: Evidence Review for Memory, Learning, and Anxiety
A research-led appraisal of Bacopa monnieri — its bacoside mechanisms, acetylcholinesterase inhibition, BDNF modulation, and the clinical trial record for memory consolidation and anxiety reduction, with an honest account of its limitations.
Mitochondria and Cognitive Performance: The Energy-Brain Health Connection
An in-depth research overview of how mitochondrial health drives cognitive performance, covering ATP dependency in neuronal function, mitochondrial dysfunction and brain fog, targeted interventions including CoQ10, PQQ, NAD+, MitoQ, and SS-31, and the role of exercise and BDNF.
Magnesium L-Threonate: The Brain-Penetrating Form of Magnesium for Cognition and Synaptic Plasticity
Magnesium L-threonate (MgT) was specifically engineered to cross the blood-brain barrier and raise brain magnesium levels. Here's the mechanistic case, the clinical and preclinical evidence, and how it compares to other magnesium forms for cognitive applications.
Phosphatidylserine: HPA Axis Modulation, Cortisol Attenuation, and the Cognitive Research Record
A research-led overview of phosphatidylserine — its role in neuronal membrane integrity, its well-replicated effects on cortisol and ACTH responses to stress, and the clinical evidence for cognitive benefits in ageing and young adults.
BDNF and Neuroplasticity: How Brain-Derived Neurotrophic Factor Rewires Your Brain
A comprehensive guide to BDNF — what it is, how it drives neuroplasticity, what the research shows about exercise, diet, sleep, and peptides that increase BDNF, and why it matters for cognitive performance.
Lion's Mane Mushroom and NGF: Neuroscience of Cognitive Enhancement
Lion's mane (Hericium erinaceus) stimulates Nerve Growth Factor synthesis via hericenones and erinacines. Here is what the clinical trials show about memory, mood, and neuroregeneration.
Alpha-GPC vs CDP-Choline: Acetylcholine, Cognitive Performance, and the Evidence
Alpha-GPC and CDP-choline are the two most researched choline donors for cognitive enhancement. Here's how they differ mechanistically, what the clinical evidence shows for memory, focus, and neuroprotection, and how to choose between them.
NAD+ and NMN for Brain Health: Research, Mechanisms, and What the Evidence Shows
A research-led look at NAD+, NMN, and NR for brain health — covering the salvage pathway, age-related NAD+ decline, sirtuin biology, human trial evidence, and where the data is strong versus preliminary.
Dihexa: The Angiotensin-Derived Nootropic Peptide and Its Cognitive Research Profile
A research overview of Dihexa, an angiotensin-derived peptide developed at Washington State University, covering its HGF/Met signalling mechanism, synaptogenesis data, preclinical cognitive research, and comparison with other nootropic peptides.
Lion's Mane Mushroom and Depression: What the Research Actually Shows
Hericium erinaceus (lion's mane) is the most neuroscience-relevant functional mushroom, with evidence on NGF induction, depression, anxiety, and mild cognitive impairment. Here's a detailed review of the human clinical trials and what they actually measured.
Mitochondrial Uncoupling and Brain Health: The Neuroprotective Role of Mild Uncoupling
Mitochondrial uncoupling — reducing the efficiency of ATP production — sounds counterintuitive as a health strategy. But controlled research on mild uncoupling shows neuroprotective, metabolic, and longevity-relevant effects. Here's the current evidence.
Rhodiola Rosea: Cognitive and Adaptogenic Evidence Review
Rhodiola rosea is one of the most extensively researched adaptogens for cognitive performance and stress resilience. Here's what the clinical trials show — rosavins, salidroside, COMT inhibition, and where the evidence is strong versus weak.
Caffeine + L-Theanine: The Neuroscience Behind the Most-Studied Nootropic Stack
Caffeine and L-theanine is the most replicated nootropic combination in human trials. Here's the mechanistic explanation for why they work synergistically, what the RCTs actually show, and optimal dosing protocol.
Omega-3 DHA and EPA: The Neuroscience Evidence for Brain Health
DHA makes up 20% of brain fat by dry weight. EPA modulates neuroinflammation. Here's what the clinical trial evidence shows about omega-3 supplementation for cognition, depression, and neurodegeneration — and what it doesn't.
Ashwagandha (Withania somnifera): The Neuroscience Behind Its Cognitive and Anxiolytic Effects
Ashwagandha is one of the few adaptogens with genuine clinical trial data for anxiety reduction and cognitive performance. Here's a deep dive into the mechanisms, key trials, and optimal use protocols.
BDNF: The Neurotrophic Factor That Determines Brain Plasticity and How to Raise It
Brain-derived neurotrophic factor (BDNF) is the primary signal for neuronal growth, survival, and synaptic plasticity. Low BDNF correlates with depression, cognitive decline, and Alzheimer's risk. Here's what the evidence shows about aerobic exercise, diet, sleep, and supplements that reliably raise BDNF.
SS-31 and Neurological Research: Protecting the Mitochondria
SS-31 (Elamipretide) is a mitochondria-targeted peptide studied for neuroprotection. This overview covers its mechanisms and neurological research applications.
MOTS-c: The Mitochondrial Peptide and Cognitive Ageing
MOTS-c is a mitochondrial-derived peptide with emerging research into metabolic regulation and cognitive ageing. This overview covers the current science.
NAD+ and Brain Health: The Mitochondrial Connection
NAD+ is a critical coenzyme in neuronal energy metabolism. This research overview examines the role of NAD+ in brain health, cognitive ageing, and neuroprotection.
BPC-157 and the Brain: Neuroprotective Research Overview
BPC-157 is a peptide sequence derived from human gastric juice with studied neuroprotective properties. This research overview covers its mechanisms and brain health applications.
Selank and Anxiety: The Nootropic Peptide Explained
Selank is a synthetic peptide developed by the Russian Academy of Sciences. This overview examines its anxiolytic properties and nootropic research.
Semax and Cognitive Performance: What the Research Shows
A research overview of Semax, a synthetic peptide analogue of ACTH, and its studied effects on cognition, neuroprotection, and neuroplasticity.
Epithalon and the Ageing Brain: Telomere Research Explained
Epithalon (Epitalon) is a tetrapeptide studied for its effects on telomerase activation and biological ageing. This research overview covers the science of telomere extension and cognitive longevity.
Nootropic Peptides: A Research Overview for 2025
A comprehensive research overview of the leading nootropic peptides — Semax, Selank, BPC-157, Epithalon, and mitochondrial peptides — and what the current science shows.