Supplement Scholar
Brain & Mental Performance

Mood & Anxiety

Neurotransmitter and HPA modulation.

70 profiles, most-studied first
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
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
C11H12N2O3

5-HTP

Direct serotonin precursor with mood and sleep applications.

Amino Acid9 studies
C21H30O2

CBD (Cannabidiol)

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

Compound9 studies
C19H19N7O6

Folate (Vitamin B9)

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

Vitamin9 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
C9H11NO4

Mucuna Pruriens

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

Herb9 studies
C6H12O6

Myo-Inositol

Insulin sensitizer used for PCOS and anxiety/OCD support.

Compound9 studies
C15H10O4

Passionflower

Mild anxiolytic and sleep aid with GABA-A modulation.

Herb9 studies
C44H64O24

Saffron

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

Herb9 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
C5H16N4O4S

Agmatine Sulfate

Arginine metabolite with NMDA modulation and analgesic properties.

Compound8 studies
C12H13NO3

Aniracetam

Fat-soluble racetam.

Nootropic8 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 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
C17H24O10

Blue Vervain

Verbena hastata for nervous tension and headache.

Herb8 studies
C21H22ClNO3

California Poppy

Mild sedative with anxiolytic and analgesic activity.

Herb8 studies
C21H22ClNO3

California Poppy

Eschscholzia californica for anxiety and insomnia.

Herb8 studies
C15H10O5

Chamomile

Gentle anxiolytic and sleep-supportive herb.

Herb8 studies
C21H18O11

Chinese Skullcap

Flavonoid-rich root used for anxiety and inflammation.

Herb8 studies
C19H23N3O3

Coluracetam

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

Nootropic8 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
C20H30O2

EPA-Dominant Fish Oil

Concentrated EPA for inflammation.

Fatty Acid8 studies
C4H9NO2

GABA

Primary inhibitory neurotransmitter; oral supplementation has limited CNS penetration.

Amino Acid8 studies
C10H12O2

Holy Basil (Tulsi)

Ocimum sanctum adaptogen.

Herb8 studies
C18H18O2

Honokiol

Active magnolia compound.

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

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
C5H3LiN2O4

Lithium Orotate (low-dose)

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

Mineral8 studies
C18H18O2

Magnolia Bark

GABAergic anxiolytic bark extract used for sleep and stress.

Herb8 studies
C18H18O2

Magnolol

Active magnolia biphenol.

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
C10H12O2

Ocimum Tenuiflorum (OciBest)

Standardized Holy Basil for stress.

Herb8 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
C10H12N2O3

Picamilon

Niacin-GABA conjugate.

Compound8 studies
C21H32O2

Pregnenolone

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

Compound8 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
C33H57N11O9

Selank

Russian anxiolytic peptide based on tuftsin.

Peptide8 studies
C28H38O6

Shoden Ashwagandha

35% withanolide glycoside Ashwagandha for sleep.

Herb8 studies
C35H52O4

St. John's Wort

Mild-moderate antidepressant with significant CYP450 drug interactions.

Herb8 studies
C7H14N2O3

Suntheanine

Pharmaceutical-grade L-theanine.

Amino Acid8 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
C58H94O26

Ziziphus (Jujube Seed)

Traditional Chinese seed extract for insomnia and anxiety.

Herb8 studies