Beta‐carotene supplementation and cancer risk: a systematic review and metaanalysis of randomized controlled trials

@article{DruesnePecollo2010BetacaroteneSA,
  title={Beta‐carotene supplementation and cancer risk: a systematic review and metaanalysis of randomized controlled trials},
  author={Nathalie Druesne-Pecollo and Paule Latino-Martel and Teresa Norat and Emilie Barrandon and Sandrine Bertrais and Pilar Galan and Serge Hercberg},
  journal={International Journal of Cancer},
  year={2010},
  volume={127}
}
The effect of beta‐carotene supplementation on cancer incidence has been investigated in several randomized controlled trials. The objective was to review the effect of beta‐carotene supplementation on cancer incidence in randomized trials by cancer site, beta‐carotene supplementation characteristics and study population. Relevant trials were retrieved by searching PubMed (up to April 2009). Authors involved in selected studies were contacted for additional information. Thirteen publications… 
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References

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TLDR
There was no benefit or harm from beta-carotene supplementation for a limited period on the incidence of cancer and of cardiovascular disease among apparently healthy women.
Beta-carotene supplementation and incidence of cancer and cardiovascular disease: the Women's Health Study.
TLDR
Among apparently healthy women, there was no benefit or harm from beta-carotene supplementation for a limited period on the incidence of cancer and of cardiovascular disease.
Vitamins C and E and beta carotene supplementation and cancer risk: a randomized controlled trial.
BACKGROUND Observational studies suggested that a diet high in fruits and vegetables, both of which are rich with antioxidants, may prevent cancer development. However, findings from randomized…
Effects of beta-carotene supplementation on cancer incidence by baseline characteristics in the Physicians' Health Study (United States)
TLDR
The PHS found no overall effect of beta-carotene on total cancer, or the three most common site-specific cancers, and the possibility of risk reduction within specific subgroups remains.
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TLDR
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TLDR
There is currently no evidence to support recommending vitamins such as alpha-tocopherol, beta-carotene or retinol, alone or in combination, to prevent lung cancer.
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TLDR
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TLDR
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TLDR
Dietary supplementation of humans with β‐carotene provides protection against sunburn in a time‐dependent manner.
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TLDR
It is suggested that antioxidant supplementation affects the incidence of SC differentially in men and women.
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