Subjective Well-Being
Research analysis lead by Kamal Patel
All content reviewed by Examine.com Team. Published:
Last Updated:
All content reviewed by Examine.com Team. Published:
Last Updated:
Human Effect Matrix
The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect subjective well-being
| Grade | Level of Evidence [show legend] |
|---|---|
|
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.
|
Outcome |
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 |
|---|---|---|---|---|
|
|
Kava |
Notable
|
Very High See all 4 studies |
The increase in well being appears to be quite large, but secondary to reducing anxiety. At least one study has noted that, in healthy persons subject to a minor stressor (testing) that kava enhanced cheerfulness
|
|
|
Rhodiola Rosea |
Notable
|
Very High See all 4 studies |
Increases in subjective well being and contentment in fatigued or stressed individuals appears to be greater than other supplements.
|
|
|
Creatine |
Minor
|
Moderate See all 11 studies |
The influence of creatine on well being and general happiness is usually dependent on it treating a disease state; there does not appear to be a per se benefit to well being.
|
|
|
Ganoderma lucidum | |||
|
|
Ginkgo biloba | |||
|
|
Panax ginseng | |||
|
|
Pelargonium sidoides | |||
|
|
Dehydroepiandrosterone | |||
|
|
Vitamin E | |||
|
|
Modafinil | |||
|
|
Nigella sativa | |||
|
|
Ashwagandha | |||
|
|
Blueberry | |||
|
|
Caffeine | |||
|
|
Chlorogenic Acid | |||
|
|
D-Serine | |||
|
|
Ephedrine | |||
|
|
Eurycoma Longifolia Jack | |||
|
|
Fish Oil | |||
|
|
Green Tea Catechins | |||
|
|
L-Tyrosine | |||
|
|
Maca | |||
|
|
Mucuna pruriens | |||
|
|
Peppermint | |||
|
|
Pycnogenol | |||
|
|
Pyruvate | |||
|
|
Vitamin C | |||
|
|
Zinc | |||
|
|
Arginine | |||
|
|
Centella asiatica | |||
|
|
Cocoa Extract | |||
|
|
Conjugated Linoleic Acid | |||
|
|
L-Carnitine | |||
|
|
N-Acetylcysteine | |||
|
|
Phosphatidylserine | |||
|
|
Red Clover Extract | |||
|
|
Ruscus aculeatus | |||
|
|
Sceletium tortuosum | |||
|
|
Theanine | |||
|
|
Black Cohosh | |||
|
|
Boswellia serrata | |||
|
|
Bromelain | |||
|
|
Lavender | |||
|
|
Vinpocetine | |||
|
|
D-Ribose | |||