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Focus & Cognition

Brain fog, concentration, mental performance

5 supplements with evidence · ordered by relevance

This is an evidence navigator, not medical advice. Supplement effects vary by individual and dose. Talk to a healthcare provider before starting anything new.

Creatine

Amino Acid Derivative

🟢Strong Evidence

One of the most researched supplements. Supports ATP regeneration, muscle strength, and cognitive function.

21 expert mentions20 studies

L-Theanine

Amino Acid

🟡Moderate Evidence

An amino acid found in green tea. Studied for calm alertness, anxiety reduction, and synergistic effects with caffeine.

31 expert mentions20 studies

Fish Oil / Omega-3

Essential Fatty Acid

🟡Moderate Evidence

Rich in EPA and DHA omega-3 fatty acids. Studied for cardiovascular, brain, and anti-inflammatory benefits.

11 expert mentions20 studies

Vitamin D

Fat-Soluble Vitamin

🟡Moderate Evidence

A fat-soluble vitamin critical for bone health, immune function, and mood regulation. Deficiency is widespread.

12 expert mentions20 studies

Magnesium

Mineral

🟡Moderate Evidence

An essential mineral involved in over 300 enzymatic reactions. Widely studied for sleep, anxiety, and metabolic health.

42 expert mentions20 studies

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