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ADHD

Attention-deficit/hyperactivity disorder (ADHD) is a condition characterized by impulsivity and difficulties focusing and paying attention. It is most common in children and tends to make education more difficult.

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect ADHD.

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Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-a Minor Very High See all 10 studies
Supplemental DHA above 300mg appears to be effective in reducing ADHD symptoms in children, and a few studies have shown that EPA alone may also have a benefit.
grade-b - Very High See 2 studies
There is currently very little evidence. It is possible that there is some effect on some symptoms, but much more research is needed.
grade-c Notable - See study
Modafinil appears to be able to reduce symptoms of ADHD in children when taken as a daily preventative at the lowest active dose

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Frequently Asked Questions and Articles on ADHD

Paying attention to omega-3s for ADHD
With more and more people being diagnosed with ADHD, there’s a continuing hunt for helpful treatments. Researchers tested an omega-3 supplement on young males, and also explored a potential dopamine-related mechanism.