Supplements for Focus, Memory & Mood

Modulates serotonin, dopamine, and norepinephrine; studied for mood, with trials in mild-to-moderate depression comparing it to SSRIs — requires drug-interaction caution.

Live microorganisms where strain selection determines outcome — Lactobacillus and Bifidobacterium strains best studied for gut, immune, and mood.

Essential fatty acids critical for brain health, mood regulation, and reducing inflammation throughout the body.

Inhibitory neurotransmitter that calms neural activity — may work through the gut-brain axis for acute anxiety and sleep support.

Beat placebo for depression in meta-analyses, and small trials found no significant difference versus SSRIs, which does not show equal effect. Also studied for anxiety and PMS symptoms.

Precursor to acetylcholine and phosphatidylcholine. One trial in 100 healthy older adults improved memory. Stroke trials are mixed.

Hormone-like vitamin that regulates 1,000+ genes — deficiency is widespread and linked to poor immunity, depression, and bone loss.

Acetylated carnitine that crosses the blood-brain barrier to fuel mitochondrial energy and donate acetyl groups for acetylcholine synthesis.

Bioactive folate that bypasses MTHFR conversion — critical for the 30-40% of people with gene variants affecting mood and methylation.

Essential B vitamins in their active methylated forms, supporting energy production, mood, and cognitive function.

Direct serotonin precursor that may support mood, sleep, and appetite control, but requires caution with certain medications.

Well-studied herb for premenstrual syndrome and cyclic breast pain, with supportive RCT evidence for PMS symptom relief.