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White Blood Cell Count

Total white blood cell count is measured commonly in toxicology testing, and some supplements that are known to support the immune system may also act via increasing levels of immune cells.

Research analysis led by and reviewed by the Examine team.
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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect White Blood Cell Count.

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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.
Notes
grade-b - Very High See all 3 studies
While there are signficant modifications in the subpopulations of white blood cells (ie. which immune cells you have) the overall quantity does not appear significantly affected.
grade-b - Very High See all 6 studies
Supplementation of vitamin E does not appear to alter overall content of white blood cells relative to placebo.
grade-c Minor Moderate See 2 studies
A decrease in white blood cell count has been noted with supplementation of saffron at 60mg for over eight weeks.

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