Betacarotene
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- Why betacarotene is good for you
- Important betacarotene facts
- Groups at risk of betacarotene deficiency
- Symptoms of betacarotene deficiency
- Betacarotene and health
- Betacarotene in foods
- Betacarotene recommended daily intake (RDI)
- Betacarotene works best with
- Overdosage, toxicity and cautions for betacarotene
references
- Baron JA, Cole BF, Mott L, et al. Neoplastic and antineoplastic effects of beta-carotene on colorectal adenoma recurrence: results of a randomized trial. J Natl Cancer Inst 2003;95(10):717-7
- Gabriele S, Alberto P, Sergio G, Fernanda F, Marco MC. Emerging potentials for an antioxidant therapy as a new approach to the treatment of systemic sclerosis. Toxicology. 2000; 155(1-3):1-15
- Heart Protection Study Collaborative Group. MRC/BHF Heart Protection Study of antioxidant vitamin supplementation in 20,536 high-risk individuals: a randomised placebo-controlled trial. Lancet 2002;360(9326):23-33
- Keefe KA, Schell MJ, Brewer C, et al. A randomized, double blind, Phase III trial using oral beta-carotene supplementation for women with high-grade cervical intraepithelial neoplasia. Cancer Epidemiol Biomarkers Prev 2001;10(10):1029-1035
- Leo MA, Lieber CS. Alcohol, vitamin A, and beta-carotene: Adverse interactions, including hepatotoxicity and carcinogenicity. Am J Clin Nutr. 1999;69(6):1071-1085
- Office of Dietary Supplements USA - has the official USA RDI for all vitamins (these are also adopted by Australia), accessed 9 August 2005
- Omen GS, Goodman GE, et al. Effects of a Combination of Beta Carotene and Vitamin A on Lung Cancer and Cardiovascular Disease. NEJM 2006 (May), Volume 334:1150-1155
- Omenn GS, Goodman GE, Thornquist MD, et al. Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy Trial. J Natl Cancer Inst. 1996;88(21):1550-1559. [abstract]
- Osiecki, Henry, The Nutrient Bible 2002, BioConcepts Publishing
- Rapola JM, Virtamo J, Haukka JK, et al. Effect of vitamin E and beta carotene on the incidence of angina pectoris. A randomized, double-blind, controlled trial. JAMA 1996;275(9):693-698
- Schaumberg DA, Frieling UM, Rifai N, et al. No effect of beta-carotene supplementation on risk of nonmelanoma skin cancer among men with low baseline plasma beta-carotene. Cancer Epidemiol Biomarkers Prev 2004;13(6):1079-1080
- Woutersen RA, Wolterbeek AP, Appel MJ, van den Berg H, Goldbohm RA, Feron VJ. Safety evaluation of synthetic beta-carotene. [Review] Crit Rev Toxicol. 1999;29(6):515-542. (abstract
Last reviewed: 6 June 2011 || Last updated: 6 June 2011
NOTE: Mega doses of vitamins, minerals, amino acids, or other supplements cannot cure illnesses and in fact can be very dangerous and produce toxic side effects and interfere with medicine you are taking. Always ensure you consult your doctor before taking any type of nutrient supplement.
Disclaimer: This guide is not intended to be used for diagnostic or prescriptive purposes. For any treatment or diagnosis of illness, please see your doctor.