L-theanine and paraxanthine for focus in adults with ADHD or autism
Part of Mental health clinical trials.
This trial tests two natural compounds to see if they help improve thinking and focus in adults with ADHD or autism. You'll take the supplements or a placebo and do some tasks while having brain scans.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 18 or older and have been told by a doctor you have ADHD or autism.
- You can see, hear, and read well enough to do computer tasks.
- You don't take antidepressants, antipsychotics, or other meds that might affect your thinking (stimulants are okay).
- You have never had a bad reaction to caffeine or similar substances.
- You can avoid caffeine and the test substances for 24 hours before each visit.
- You are willing to avoid smoking, alcohol, and drugs during the study.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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