Subjective Well-Being
Research analysis led by Kamal Patel.
All content reviewed by the Examine.com Team. Published: Dec 12, 2012
Last Updated:
All content reviewed by the Examine.com Team. Published: Dec 12, 2012
Last Updated:
Learn which supplements work (and which don’t) to achieve your health goals
Enter your email to get our free mini-course on supplements.
100% backed by science, we take an independent and unbiased approach to figure out what works (and what's a waste of time and money). Arm yourself with the knowledge needed to make the right choices to improve your health.
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 |
|---|---|---|---|---|
|
|
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
|
|
|
|
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.
|
|
|
|
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.
|
|
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||