StackTerminal.Health

BETA
Research compound

This compound is primarily studied in research/clinical settings & may not be widely available as a regulated over-the-counter supplement. Information is provided for educational purposes only — not as a recommendation to use. See our Safety page.

Ritalin (Methylphenidate)

Ritalin is a dopamine & norepinephrine reuptake inhibitor approved for ADHD, with strong evidence for improving attention, focus, impulse control, & academic performance in individuals with ADHD.

focusattentioncognitiveadhd
Evidence last reviewed: 05 Apr 2026
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Biomarkers studied
Outcomes directly measured across the evidence records below
Hormonal
Growth Hormone
Cognitive
Focus / AttentionCognitive Function
Evidence
5 records
Attention & cognitive performance
Adults with ADHDSystematic review
PUBMEDHigh

Methylphenidate was found to improve attention & cognitive performance in adults with ADHD.

Dose: 20 mg
Growth in children & adolescents
Children and adolescents with ADHDSystematic review
PUBMEDLow

Long-term methylphenidate exposure was associated with growth suppression in children & adolescents with ADHD.

Dose: 20 mg
Clinical response in ADHD
Adults with ADHDSystematic review
PUBMEDModerate

Methylphenidate improved clinical response compared to placebo in adults with ADHD.

Dose: 20 mg
Adverse fetal outcomes
Pregnant women taking methylphenidateSystematic review
PUBMEDVery low

Methylphenidate use during pregnancy was associated with possible adverse fetal outcomes.

Dose: 20 mg
Safety & adverse events
General population using stimulantsMeta-analysis
PUBMEDLow

The safety profile of stimulants, including methylphenidate, showed a low certainty of evidence for adverse events.

Dose: 20 mg
Forms
Immediate-release tablet
Commonly used for quick onset of action.
Extended-release capsule
Provides a longer duration of effect, reducing the need for multiple doses.

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