137 Supplement Reviews

The Universal Nootropic — 11 research-backed ingredients

Joe Rogan's go-to nootropic stack, with two published human trials

The most comprehensive nootropic stack — 28 ingredients

Caffeine-free focus and memory enhancer — great value

Clean, minimalist nootropic — 4 powerful ingredients

Personalized nootropic blends — tailored to your brain

Ken Jennings-endorsed memory enhancer with Cognizin

New-generation nootropic targeting long-term brain health

Fast-acting focus formula — the 'natural Vyvanse'

Multi-pathway cognitive activator for focus, processing speed, and clarity

Premium full-spectrum nootropic with cholinergic and adaptogenic synergy

Auditory health and cognitive clarity — when hearing sharply means thinking sharply

Mitochondrial energy as the foundation of sharp, uninterrupted focus

Theta entrainment as a non-pharmacological nootropic for creative focus

Visual system optimization as a pathway to sharper cognitive performance

Beta-gamma audio protocol as a non-pharmacological focus nootropic

Neuroprotective cognitive formula for sharp focus and long-term mental acuity

Progressive gamma entrainment as a daily nootropic training protocol

Silencing auditory noise as a pathway to cleaner cognitive signal and focus

cAMP-focused nootropic for long-term potentiation and memory formation

UK-based nootropic stack for focus and cognitive performance

Lion's Mane, Reishi, and Cordyceps mushroom cognitive and immune stack

Medical-grade brain nutrient formula for cognitive support and neuroprotection

America's #1 selling memory supplement — apoaequorin protein

Coffee fruit extract + Cognizin for brain performance

America's #1 brain supplement — multivitamin meets nootropic

Dr. Daniel Amen's clinical-grade memory formula

Pure pharmaceutical-grade citicoline — the gold standard

The neurogenesis mushroom — grows new brain cells

Ancient Ayurvedic memory herb with 30+ clinical trials

Pharmaceutical-grade DHA for brain structure and function

120mg standardized extract — memory and circulation

FDA-qualified claim supplement for cognitive decline

Audio-based theta entrainment for memory consolidation and recall

Neuroprotective memory formula for recall speed and cognitive longevity

Gamma-audio entrainment as a memory consolidation and learning enhancement tool

Memory-first perspective on a multi-mechanism cognitive formula

Dual cholinergic memory support with neurogenic long-term brain investment

Theta recovery sessions for memory consolidation and cognitive restoration

Silk protein hydrolysate supplement for memory and cognitive function

Whole-food DHA, probiotics, and B12 for cognitive and memory health

Clinical-grade memory formula with phosphatidylserine and DMAE

The most clinically studied ashwagandha extract available

Viking adaptogen for mental fatigue and burnout recovery

Calm focus without drowsiness — the tea amino acid

The only magnesium that crosses the blood-brain barrier

Direct serotonin precursor for mood and sleep

Clinically proven mood elevator — as effective as low-dose SSRIs

Sacred Ayurvedic adaptogen for cortisol and mental clarity

Calming herb for anxiety, sleep, and GABA support

The mushroom of immortality — immune and stress support

Premium dual anxiolytic stack from a medical-grade brand

Oral microbiome health as a gateway to systemic wellbeing and mood resilience

Oral inflammation control as a systemic mood and stress resilience strategy

Nerve health and pain relief as a pathway to restored mood and daily comfort

5-stage filtration pitcher removing dissolved solids to zero TDS

Most bioavailable magnesium for sleep and muscle recovery

Athlete-grade sleep recovery formula — used by top performers

Traditional sleep herb with GABA and adenosine mechanisms

Andrew Huberman's sleep-onset compound — from chamomile

Sleep quality amino acid — lowers core body temperature

Natural melatonin source for sleep and exercise recovery

Naturally produced GABA that actually crosses the brain barrier

Evening PS formula targeting cortisol and sleep quality

Dual herbal sleep formula for anxiety-driven insomnia

Ammonia clearance amino acid for deep sleep and recovery

Deep sleep support formula with HGH secretagogues for overnight fat burning

Stimulant-free nighttime fat burner with melatonin and L-Theanine

Adjustable shredded foam pillow with cooling cover for all sleep positions

Hyper-elastic grid pillow for pressure-free support and cooling sleep

Athletic performance mushroom for VO2 max and mental energy

The king of adaptogens — energy, cognition, and longevity

Mitochondrial fuel + cognitive enhancer in one

Dual mitochondrial energizer + biogenesis trigger

Peruvian adaptogen for energy, libido, and hormonal balance

The perfect nootropic stack — smooth energy with sharp focus

Medical-grade B vitamins for energy, mood, and brain function

Essential duo for brain health, mood, and immune function

Dual adaptogen stack for endurance and mental performance

Anti-aging NAD+ booster for cellular energy and longevity

Mitochondrial and adaptogenic energy stack for sustained mental stamina

Citrus extract stack for metabolic energy and all-day mental vitality

Testosterone and vitality optimization for men's sustained energy and drive

Joint comfort as the foundation of consistent physical energy and active living

Optimizing your morning coffee for all-day metabolic energy and mental drive

Stable blood sugar as the engine of sustained cognitive energy and focus

Caffeine + L-Theanine combination for clean, focused energy

Serotonin-support formula for mood, stress resilience, and calm energy

Citrus-based thermogenic for clean fat oxidation and metabolic activation

Coffee-synergistic metabolic activator — dissolves into your morning cup

Multi-angle weight loss with α-Lacys Reset and thermogenic blend

Ceremonial-grade matcha crystals for metabolic health and calm energy

Detox tea blend for bloating, digestion, and temporary slim appearance

Instant coffee with added garcinia cambogia and B vitamins

Insulin-management weight loss system with plant and mineral compounds

Six-ingredient "mitochondria" capsule — every dose hidden in one proprietary blend

Probiotic + green tea capsule with a fully printed label — the rare one that shows its doses

Two "liver" blends sold for fat loss — ten ingredients, no doses

Powdered "juice" with 15 named ingredients and no Supplement Facts panel on its own site

Comprehensive prostate and testosterone support for men over 40

Beta-sitosterol supplement for urinary flow and prostate comfort

Prostate capsule whose page cannot agree on its own ingredient count — and shows no doses

Probiotic-first formula for a healthier oral microbiome and stronger gums

Comprehensive oral microbiome formula for tooth enamel and gum resilience

Liquid dental drops with vitamins and botanical extracts for gum health

Synovial fluid support and cartilage regeneration for lasting joint comfort

Joint mobility formula with glucosamine, chondroitin, and curcumin

Science-backed vision formula targeting macular protection and visual acuity

Clinically proven AREDS2 formula for age-related macular degeneration prevention

Multi-botanical blood sugar support for metabolic balance and energy stability

Antioxidant and mineral formula for blood sugar and metabolic health

B-vitamin and botanical formula for nerve regeneration and neuropathy comfort

Herbal nerve support formula targeting inflammation and neuropathy comfort

B-vitamin and alpha-lipoic acid neuropathy formula for pain and tingling relief

Gamma-frequency audio program engineered for peak cognitive activation

Theta-based audio program for abundance mindset and creative cognitive activation

High-performance audio protocol modeled on elite cognitive activation patterns

Neural signal optimization program for sharper processing and mental clarity

Theta entrainment as a daily brain training protocol for cognitive vitality

Multi-frequency audio program for rapid cognitive state switching

AI-generated functional music for focus, relaxation, and sleep

Binaural beat audio programs for hemispheric synchronization

Neuroscience-based music subscription for sustained focus sessions

AI-personalized soundscapes for focus, relaxation, and sleep

Guided meditation and sleep app for stress reduction and better sleep

Structured mindfulness and meditation app with focus and sleep programs

Neuroscience-based recovery system for deep rest and cognitive reset

EEG biofeedback headband for real-time meditation and brainwave training

Light and sound neuromodulation headset for relaxation and cognitive optimization

Targeted auditory support for tinnitus relief and hearing resilience

Comprehensive tinnitus and auditory nerve support formula

Plant-based hearing support with Mucuna Pruriens and Maca Root

Eriodictyol glycoside formula for ear health and tinnitus support

Ten-ingredient fibre-and-probiotic capsule; label not published on its own site

Nail oil sold with fungus claims — its label lists 17 ingredients and quantifies only one, at 5%

The same 17-ingredient formula as Kerassentials, sold as a 30 mL spray

Water-based foot liquid whose own label says its safety "has not been determined"