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The Human Effect Matrix looks at human studies to tell you what supplements affect Noradrenaline.
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| 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.
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Notes |
|---|---|---|---|---|
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Minor
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High See all 4 studies |
A decrease in noradrenaline appears to reliably occur after melatonin ingestion, but only at rest; this reduction is abolished upon moving
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- | Very High See all 3 studies |
Peripheral concentrations of noradrenaline do not appear to be influenced by supplementation of cocoa.
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Minor
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- See all 6 studies |
It's unclear when it increases it, decreases it, or has no effect. More research is needed.
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