Supplement Scholar
Goal area

Brain & Mental Performance

Focus, memory, mood, and neuroprotection.

152 profiles, most-studied first
C4H11N3O3

Creatine Monohydrate

The most-studied and effective ergogenic aid — replenishes ATP via the phosphocreatine system.

Compound12 studies
C27H44O

Vitamin D3

Steroid hormone precursor regulating ~5% of the human genome — bone, immune, and hormonal health.

Vitamin12 studies
C28H38O6

Ashwagandha

Adaptogenic herb that down-regulates HPA-axis output — lowers cortisol, supports T in stressed men.

Herb11 studies
C60H92O6

Omega-3 (EPA/DHA)

Marine long-chain omega-3s — the most-studied anti-inflammatory and cardiovascular nutrient.

Fatty Acid11 studies
C21H20O6

Curcumin

Yellow polyphenol from turmeric — anti-inflammatory and joint-supportive when properly bioavailable.

Herb10 studies
C7H15NO3

L-Carnitine

Shuttles long-chain fatty acids into mitochondria for β-oxidation.

Amino Acid10 studies
C7H14N2O3

L-Theanine

Calm focus — alpha-wave amino acid from green tea that takes the edge off caffeine.

Amino Acid10 studies
C25H36O6

Lion's Mane

Edible medicinal mushroom that upregulates NGF and BDNF — studied for nerve growth and cognition.

Mushroom10 studies
C5H9NO3S

N-Acetyl Cysteine (NAC)

Glutathione precursor with mucolytic, hepatoprotective, and psychiatric uses.

Amino Acid10 studies
C14H20O7

Rhodiola Rosea

Arctic adaptogen — reduces fatigue and improves mental performance under stress.

Herb10 studies
C63H88CoN14O14P

Vitamin B12

Essential cobalamin for methylation, red blood cell formation, and myelin maintenance.

Vitamin10 studies
C11H12N2O3

5-HTP

Direct serotonin precursor with mood and sleep applications.

Amino Acid9 studies
C8H20NO6P

Alpha-GPC

Bioavailable choline source studied for cognition and acute power output.

Nootropic9 studies
C54H92O23

American Ginseng

Cooler adaptogen with stronger evidence for blood sugar and cold-flu prevention.

Herb9 studies
C21H30O2

CBD (Cannabidiol)

Non-intoxicating cannabinoid studied for anxiety, sleep, and seizures.

Compound9 studies
C8H10N4O2

Caffeine

Adenosine antagonist with strong evidence for cognitive and physical performance.

Compound9 studies
C30H48O5

Centella Asiatica (Gotu Kola)

Traditional brain and skin tonic — supports cognition and wound healing.

Herb9 studies
C5H14NO+

Choline

Essential nutrient for cell membranes, methylation, and acetylcholine synthesis.

Compound9 studies
C35H46O20

Cistanche Tubulosa

Desert plant tonic for libido and cognition.

Herb9 studies
C14H26N4O11P2

Citicoline (CDP-Choline)

Phospholipid precursor with cytidine bonus — supports membranes and dopamine.

Compound9 studies
C19H19N7O6

Folate (Vitamin B9)

One-carbon donor essential for DNA synthesis and neural tube development.

Vitamin9 studies
C20H24O10

Ginkgo Biloba

Vasoactive herb studied for cognition in the elderly and tinnitus.

Herb9 studies
C48H78O19

Gotu Kola

Adaptogen used for cognitive support, anxiety, and wound healing.

Herb9 studies
C10H12O2

Holy Basil (Tulsi)

Ayurvedic adaptogen with anti-stress, anti-inflammatory, and glycemic effects.

Herb9 studies
C17H23NO3

Kanna (Sceletium)

South African succulent acting as SSRI + PDE4 inhibitor for mood and stress.

Herb9 studies
C7H14N2O3

L-Theanine (Sleep)

Tea-derived amino acid that raises alpha brainwaves — relaxation without sedation.

Amino Acid9 studies
C9H11NO3

L-Tyrosine (Dopamine Replenishment)

Catecholamine precursor — replenishes dopamine/norepinephrine pools after stimulant use.

Amino Acid9 studies
C9H11NO4

Mucuna Pruriens

Natural L-DOPA source studied for mood, libido, and Parkinson's.

Herb9 studies
C9H11NO4

Mucuna Pruriens (Fertility)

L-DOPA-containing legume — improves sperm parameters and dopaminergic tone.

Herb9 studies
C9H11NO4

Mucuna Pruriens (Velvet Bean)

Natural L-DOPA source studied for Parkinson's, libido, and fertility.

Herb9 studies
C6H12O6

Myo-Inositol

Insulin sensitizer used for PCOS and anxiety/OCD support.

Compound9 studies
C42H72O14

Panax Ginseng

Adaptogenic ginseng studied for fatigue, cognition, and erectile function.

Herb9 studies
C15H10O4

Passionflower

Mild anxiolytic and sleep aid with GABA-A modulation.

Herb9 studies
C42H82NO10P

Phosphatidylserine (PS)

Phospholipid that supports cognition and may blunt cortisol response to stress.

Compound9 studies
C14H20O7

Rhodiola Rosea

Arctic adaptogen for mental fatigue, burnout, and stress resilience.

Herb9 studies
C15H22N6O5S

SAMe (S-Adenosyl Methionine)

Universal methyl donor with antidepressant and liver-supportive evidence.

Compound9 studies
C44H64O24

Saffron

Culinary spice with antidepressant effects comparable to SSRIs in mild-moderate depression.

Herb9 studies
C18H16O8

Salvia officinalis (Sage)

Culinary sage with cholinergic and anti-hyperhidrosis effects.

Herb9 studies
C12H17N4OS+

Vitamin B1 (Thiamine)

Cofactor for carbohydrate metabolism and nerve conduction.

Vitamin9 studies
C8H10NO5P-2

Vitamin B6 (Pyridoxine)

Cofactor for >100 enzymes including neurotransmitter synthesis.

Vitamin9 studies
C11H12N2O3

5-HTP (Post-MDMA Replenishment)

Serotonin precursor — used post-MDMA to support depleted 5-HT stores. Never combine same-day.

Amino Acid8 studies
C11H12N2O3

5-HTP (Sleep Use)

Serotonin → melatonin precursor — supports sleep onset and depth.

Amino Acid8 studies
C17H24O3

6-Shogaol (Ginger)

Bioactive ginger compound.

Compound8 studies
C12H10N2

9-Me-BC

β-carboline alkaloid that upregulates dopamine neurons in animal models.

Nootropic8 studies
C5H16N4O4S

Agmatine Sulfate

Arginine metabolite with NMDA modulation and analgesic properties.

Compound8 studies
C22H32O2

Algae Omega-3

Vegan EPA/DHA source.

Fatty Acid8 studies
C22H32O2

Algal Omega-3 (Vegan EPA/DHA)

Plant-based EPA and DHA from microalgae for vegan diets.

Fatty Acid8 studies
C15H22N4O2S2

Allithiamine

Garlic-derived fat-soluble thiamine.

Vitamin8 studies
C8H20NO6P

Alpha-GPC (Cholinergic Recovery)

Choline source — supports acetylcholine after stimulant-driven depletion.

Compound8 studies
C12H13NO3

Aniracetam

Fat-soluble racetam.

Nootropic8 studies
C15H10O5

Apigenin

Chamomile/parsley flavonoid — GABA-A modulator and CD38 inhibitor for sleep and NAD+.

Compound8 studies
C28H38O6

Ashwagandha (Cortisol Lowering)

Validated cortisol-lowering adaptogen — ~28% reduction in chronically stressed adults.

Herb8 studies
C28H38O6

Ashwagandha KSM-66

Standardized Withania somnifera root extract for stress.

Herb8 studies
C21H20O6

BCM-95 Curcumin

Curcumin with turmeric oils for absorption.

Herb8 studies
C41H68O13

Bacopa CDRI-08

Standardized Bacopa monnieri extract for memory.

Herb8 studies
C41H68O13

Bacopa Monnieri

Ayurvedic nootropic with strong evidence for memory consolidation over 8–12 weeks.

Herb8 studies
C21H18O11

Baicalin

Scutellaria baicalensis flavonoid.

Compound8 studies

Bifidobacterium Longum 1714

Psychobiotic for stress and mood.

Compound8 studies
C10H16N2O3S

Biotin (High-Dose)

High-dose for MS and hair.

Vitamin8 studies
C17H24O10

Blue Vervain

Verbena hastata for nervous tension and headache.

Herb8 studies
C20H28O3

Butterbur

Petasites hybridus extract for migraine prophylaxis and allergic rhinitis.

Herb8 studies
C14H26N4O11P2

CDP-Choline (Citicoline)

Phospholipid precursor for cognition.

Nootropic8 studies
C14H26N4O11P2

CDP-Choline (Citicoline)-Stroke

Acute stroke neuroprotection.

Nootropic8 studies
C21H22ClNO3

California Poppy

Mild sedative with anxiolytic and analgesic activity.

Herb8 studies
C21H22ClNO3

California Poppy

Eschscholzia californica for anxiety and insomnia.

Herb8 studies
C12H17Cl2NO3

Centrophenoxine

Cholinergic precursor that reduces lipofuscin accumulation in neurons.

Nootropic8 studies
C15H10O5

Chamomile

Gentle anxiolytic and sleep-supportive herb.

Herb8 studies
C21H18O11

Chinese Skullcap

Flavonoid-rich root used for anxiety and inflammation.

Herb8 studies
C9H19NO7

Choline Bitartrate

Affordable choline source — supports phospholipid synthesis and methylation.

Compound8 studies
C19H23N3O3

Coluracetam

Racetam acting on high-affinity choline uptake; studied for depression/anxiety.

Nootropic8 studies
C22H32O2

DHA-Dominant Fish Oil

High-DHA for brain health.

Fatty Acid8 studies
C9H11NO2

DL-Phenylalanine

Catecholamine precursor with mild analgesic properties.

Amino Acid8 studies
C9H11NO2

DL-Phenylalanine (DLPA)

Racemic phenylalanine for pain and mood.

Amino Acid8 studies
C4H11NO

DMAE (Dimethylaminoethanol)

Choline analog for cognition.

Nootropic8 studies
C20H30O2

EPA-Dominant Fish Oil

Concentrated EPA for inflammation.

Fatty Acid8 studies
C30H26O12

Enzogenol

New Zealand pine bark extract.

Compound8 studies
C9H15N3O2S

Ergothioneine (Mushroom-Derived)

Natural ergothioneine from oyster mushrooms.

Amino Acid8 studies
C20H23N7O7

Folinic Acid (Leucovorin)

Reduced folate form.

Vitamin8 studies
C4H9NO2

GABA

Primary inhibitory neurotransmitter; oral supplementation has limited CNS penetration.

Amino Acid8 studies
C12H22O11

GOS (Galactooligosaccharides)

Galactose-based prebiotic.

Compound8 studies
C17H21NO3

Galantamine (Plant-Derived)

Snowdrop alkaloid AChE inhibitor.

Compound8 studies
C20H24O10

Ginkgo Biloba EGb 761

Standardized Ginkgo for cognition.

Herb8 studies
C9H9Cl2N3O

Guanfacine (Ref)

α2A-agonist reference drug for prefrontal focus and ADHD.

Compound8 studies
C10H12O2

Holy Basil (Tulsi)

Ocimum sanctum adaptogen.

Herb8 studies
C18H18O2

Honokiol

Active magnolia compound.

Compound8 studies
C15H18N2O

Huperzine A

Acetylcholinesterase inhibitor from club moss — potent cholinergic enhancer.

Compound8 studies
C19H30O5

Idebenone

Synthetic CoQ10 analog with better water solubility; used in LHON.

Compound8 studies
C14H14O3

Kava

Polynesian anxiolytic with strong evidence; rare hepatotoxicity risk.

Herb8 studies
C23H30N2O4

Kratom (caution)

Atypical opioid herb with stimulant low-dose and sedating high-dose effects; addiction risk.

Herb8 studies
C9H11NO2

L-Phenylalanine

Precursor to tyrosine and catecholamines.

Amino Acid8 studies
C11H12N2O2

L-Tryptophan

Essential amino acid precursor to serotonin and melatonin.

Amino Acid8 studies
C9H11NO3

L-Tyrosine

Catecholamine precursor preserving cognition under stress and sleep deprivation.

Amino Acid8 studies
C9H11NO3

L-Tyrosine (Thyroid Substrate)

Amino acid substrate paired with iodine to form thyroid hormones.

Amino Acid8 studies

L. helveticus R0052

Psychobiotic blend component for mood.

Compound8 studies
C10H18O

Lavender Oil (Silexan)

Oral lavender essential oil with proven anxiolytic effect.

Herb8 studies
C18H16O8

Lemon Balm

Mild anxiolytic with cognitive calming effects via GABA-T inhibition.

Herb8 studies
C18H16O8

Lemon Balm Melissa Officinalis (Bluenesse)

Standardized Melissa for cognition.

Herb8 studies
C25H36O6

Lion's Mane (Neuroregeneration)

NGF-upregulating mushroom — included in post-use stacks for neurotrophic support.

Mushroom8 studies
C25H36O6

Lion's Mane Erinacines

Hericium erinaceus mycelium for NGF.

Mushroom8 studies
C25H36O6

Lion's Mane Fruiting Body

Hericinones-rich beta-glucan source.

Mushroom8 studies
C5H3LiN2O4

Lithium Orotate (low-dose)

Low-dose lithium salt studied for mood stability and neuroprotection.

Mineral8 studies
C21H20O6

Longvida Curcumin

SLCP curcumin for brain bioavailability.

Herb8 studies
C15H10O6

Luteolin

Flavone with anti-inflammatory effects.

Compound8 studies
C8H16O2

MCT C8 (Caprylic Acid)

Pure C8 medium-chain triglyceride for ketone production.

Compound8 studies
C8H14MgO10

Magnesium L-Threonate

Mg form designed for brain penetration; studied for cognition and sleep.

Mineral8 studies
C18H18O2

Magnolia Bark

GABAergic anxiolytic bark extract used for sleep and stress.

Herb8 studies
C18H18O2

Magnolol

Active magnolia biphenol.

Compound8 studies

Methylcobalamin High-Dose

Active B12 form for neuropathy.

Vitamin8 studies
C15H15NO2S

Modafinil (Rx note)

Wakefulness-promoting Rx — listed for reference; not a supplement.

Compound8 studies
C15H15NO2S

Modafinil (Rx, reference)

Wakefulness-promoting agent — listed for reference only (prescription drug).

Compound8 studies
C9H11NO4

Mucuna Pruriens

Velvet bean providing natural L-DOPA.

Herb8 studies
C18H21NO3

Mulungu

Erythrina mulungu bark for anxiety relief.

Herb8 studies
C6H12O6

Myo-Inositol (High-Dose)

High-dose for psychiatric uses.

Compound8 studies
C5H9NO3S

NAC (Post-Use Recovery)

GSH precursor — supports glutamatergic rebalancing and oxidative stress recovery after stimulant or psychedelic use.

Amino Acid8 studies
C17H22N2O4

Noopept

Synthetic dipeptide (peptide-like) studied for cognition and neuroprotection; not FDA approved.

Nootropic8 studies
C17H22N2O4

Noopept (GVS-111)

Russian dipeptide nootropic.

Nootropic8 studies
C10H12O2

Ocimum Tenuiflorum (OciBest)

Standardized Holy Basil for stress.

Herb8 studies
C6H10N2O3

Oxiracetam

Racetam for cognition.

Nootropic8 studies
C14H6N2O8

PQQ

Cofactor stimulating mitochondrial biogenesis (PGC-1α).

Compound8 studies
C4H9NO2

PharmaGABA

Naturally fermented GABA.

Amino Acid8 studies
C10H13NO2

Phenibut (caution)

GABA-B agonist with high abuse and dependence potential; restricted in many countries.

Nootropic8 studies
C12H14N2O2

Phenylpiracetam

Racetam + phenethylamine moiety — stimulant-like nootropic with rapid tolerance.

Nootropic8 studies
C12H15N3O2

Phenylpiracetam Hydrazide

Hydrazide analog of phenylpiracetam reported to support memory and locomotion.

Nootropic8 studies

Phosphatidylcholine

Membrane phospholipid for liver.

Compound8 studies

Phosphatidylcholine (PC)

Major brain and hepatic phospholipid often given for liver support.

Compound8 studies
C10H12N2O3

Picamilon

Niacin-GABA conjugate.

Compound8 studies
C6H10N2O2

Piracetam

Original racetam; modulates AMPA receptors and membrane fluidity. Rx in many countries.

Nootropic8 studies
C14H27N3O2

Pramiracetam

Racetam family — increases high-affinity choline uptake.

Nootropic8 studies
C21H32O2

Pregnenolone

Master steroid precursor; small doses studied for cognition and PTSD.

Compound8 studies
C30H26O12

Pycnogenol (Pine Bark)

French maritime pine bark for circulation.

Compound8 studies
C16H20N2O4S2

Pyritinol

Pyridoxine derivative for cognition.

Nootropic8 studies
C14H20O7

Rhodiola SHR-5

Standardized Rhodiola for fatigue.

Herb8 studies
C20H28O4

Rosemary (Cognitive)

Rosmarinus officinalis for memory and mood via inhalation or oral.

Herb8 studies
C44H64O24

Saffron Affron

Standardized saffron for mood.

Herb8 studies
C44H64O24

Saffron Satiereal

Saffron for appetite and snacking.

Herb8 studies
C22H32O2

Salmon Roe Phospholipids

Phospholipid omega-3s from salmon eggs.

Fatty Acid8 studies
C33H57N11O9

Selank

Russian anxiolytic peptide based on tuftsin.

Peptide8 studies
C37H51N9O10S

Semax

Russian nootropic ACTH analog for cognitive enhancement.

Peptide8 studies
C28H38O6

Shoden Ashwagandha

35% withanolide glycoside Ashwagandha for sleep.

Herb8 studies

Soy Lecithin

Phosphatidylcholine source.

Compound8 studies
C35H52O4

St. John's Wort

Mild-moderate antidepressant with significant CYP450 drug interactions.

Herb8 studies
C32H46N8O6S2

Sulbutiamine

Lipid-soluble thiamine derivative crossing the BBB for fatigue and focus.

Nootropic8 studies
C7H14N2O3

Suntheanine

Pharmaceutical-grade L-theanine.

Amino Acid8 studies
C21H20O6

Theracurmin

Nano-particle curcumin for bioavailability.

Herb8 studies
C15H20O

Turmeric Essential Oil

Ar-turmerone for brain regeneration.

Herb8 studies
C9H13N2O9P

Uridine Monophosphate

Pyrimidine nucleoside — supports phosphatidylcholine synthesis and dopamine receptor density.

Compound8 studies
C9H13N2O9P

Uridine Monophosphate

Pyrimidine that supports synaptic membrane synthesis.

Compound8 studies
C15H22O2

Valerian Root

Sedative herb traditionally used for sleep onset and mild anxiety.

Herb8 studies
C15H22O2

Valerian Root

GABAergic sedative herb — modest sleep onset benefit.

Herb8 studies
C22H26N2O2

Vinpocetine

Periwinkle alkaloid that increases cerebral blood flow.

Nootropic8 studies
C17H20N4O6

Vitamin B2 (Riboflavin)

FAD/FMN precursor central to redox reactions and migraine prophylaxis.

Vitamin8 studies
C58H94O26

Ziziphus (Jujube Seed)

Traditional Chinese seed extract for insomnia and anxiety.

Herb8 studies