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Plasma Vitamin C

Research analysis led by .
Reviewed by
Examine.com Team
Last Updated:

Summary of Plasma Vitamin C

Primary Information, Benefits, Effects, and Important Facts

Scientific Information on Plasma Vitamin C

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Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect plasma vitamin c.
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.
grade-b Strong Very High See all 11 studies
For the purpose of increasing plasma Vitamin C concentrations, orally supplemented Vitamin C appears to be the best decision (second only to intravenous vitamin C).
grade-d Minor - See study
An increase was found in one study.
grade-d - - See study
No apparent effect in one study.