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The Human Effect Matrix looks at human studies to tell you what supplements affect Attention.
Full details on all Attention supplements are available to Examine Members.
| Grade | Level of Evidence [show legend] |
|---|---|
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Robust research conducted with repeated double-blind clinical trials |
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Multiple studies where at least two are double-blind and placebo controlled |
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Single double-blind study or multiple cohort studies |
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Uncontrolled or observational studies only |
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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 |
|---|---|---|---|---|
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- | High See all 3 studies |
There is unlikely to be an inherent effect of bacopa on attention, although at least one study noted improvements in attention in persons with attention deficit (ADD).
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- | Very High See all 6 studies |
One study found a nonsignificant increase in ADHD from a combination of THC and CBD, while another found a reduction for healthy participants when taking CBD and THC. The rest didn't find an effect.
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- | Very High See all 3 studies |
In assessing the effects of cocoa on mood states, attention does not appear to be significantly altered when compared to placebo.
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