Seddon JM, Ajani UA, Sperduto R, et al. Dietary carotenoids, vitamins A, C, and E, and advanced age-related macular degeneration. JAMA 1994;272:1413-20. View abstract.
Sedjo RL, Papenfuss MR, Craft NE, Guiliano AR. Effect of plasma micronutrients on clearance of oncogenic human papillomavirus (HPV) infection (United States). Cancer Causes Control 2003;14:319-26. View abstract.
Sengngam K, Hoc TH, Hang DV, Tran Ngoan L. Trans-Lycopene and ß-Cryptoxanthin Intake and Stomach Cancer in Vietnamese Men: A Pilot Case-Control Study. Asian Pac J Cancer Prev 2022;23(3):861-865. View abstract.
Sesso HD, Buring JE, Norkus EP, Gaziano JM. Plasma lycopene, other carotenoids, and retinol and the risk of cardiovascular disease in women. Am J Clin Nutr 2004;79:47-53. View abstract.
Sesso HD, Buring JE, Zhang SM, et al. Dietary and plasma lycopene and the risk of breast cancer. Cancer Epidemiol Biomarkers Prev 2005;14:1074-81. View abstract.
Sesso HD, Liu S, Gaziano JM, Buring JE. Dietary lycopene, tomato-based food products and cardiovascular disease in women. J Nutr 2003;133:2336-41.. View abstract.
Singh M, Krishanappa R, Bagewadi A, Keluskar V. Efficacy of oral lycopene in the treatment of oral leukoplakia. Oral Oncol 2004;40:591-6. View abstract.
Singh P, Goyal GK. Dietary lycopene: its properties and anticarcinogenic effects. Comp Rev Food Sci Food Safety 2008;7:255-70.
Slattery ML, Benson J, Curtin K, et al. Carotenoids and colon cancer. Am J Clin Nutr 2000;71:575-82. View abstract.
Story EN, Kopec RE, Schwartz SJ, Harris GK. An update on the health effects of tomato lycopene. Annu Rev Food Sci Technol 2010;1:189-210. View abstract.
Takagi T, Hayashi R, Nakai Y, et al. Dietary Intake of Carotenoid-Rich Vegetables Reduces Visceral Adiposity in Obese Japanese men-A Randomized, Double-Blind Trial. Nutrients. 2020;12(8):2342. View abstract.
Takeda A, Nyssen OP, Syed A, et al. Vitamin A and carotenoids and the risk of Parkinson's disease: a systematic review and meta-analysis. Neuroepidemiology. 2014;42(1):25-38. View abstract.
Tanaka A, Miyauchi T, Kitamura S, Iwata H, Hata H, Ujiie H. Carotenoderma due to lycopenemia: A case report and evaluation of lycopene deposition in the skin. J Dermatol 2022;49(12):1320-1324. View abstract.
Tierney AC, Rumble CE, Billings LM, George ES. Effect of Dietary and Supplemental Lycopene on Cardiovascular Risk Factors: A Systematic Review and Meta-Analysis. Adv Nutr. 2020;11(6):1453-1488. View abstract.
Tyssandier V, Cardinault N, Caris-Veyrat C, et al. Vegetable-borne lutein, lycopene, and beta-carotene compete for incorporation into chylomicrons, with no adverse effect on the medium-term (3-wk) plasma status of carotenoids in humans. Am J Clin Nutr 2002;75(3):526-34. View abstract.
Tzonou A, Signorello LB, Lagiou P, et al. Diet and cancer of the prostate: a case-control study in Greece. Int J Cancer 1999;80:704-8. View abstract.
USDA. NCC Carotenoid Database for U.S. Foods. 1998. Available at: https://www.nal.usda.gov/fnic/foodcomp/Data/car98/car98.html.
Wahlqvist ML, Wattanapenpaiboon N, Macrae FA, et al. Changes in serum carotenoids in subjects with colorectal adenomas after 24 mo of beta-carotene supplementation. Australian Polyp Prevention Project Investigators. Am J Clin Nutr 1994;60(6):936-43. View abstract.
Wang L, Liu S, Manson JE, et al. The consumption of lycopene and tomato-based food products is not associated with the risk of type 2 diabetes in women. J Nutr 2006;136:620-5. View abstract.
Wang X, Yang HH, Liu Y, Zhou Q, Chen ZH. Lycopene Consumption and Risk of Colorectal Cancer: A Meta-Analysis of Observational Studies. Nutr Cancer. 2016;68(7):1083-96. View abstract.
Watzl B, Bub A, Blockhaus M, et al. Prolonged tomato juice consumption has no effect on cell-mediated immunity of well-nourished elderly men and women. J Nutr 2000;130:1719-23. View abstract.
Watzl, B., Bub, A., Briviba, K., and Rechkemmer, G. Supplementation of a low-carotenoid diet with tomato or carrot juice modulates immune functions in healthy men. Ann Nutr Metab 2003;47(6):255-261. View abstract.
Wolak T, Sharoni Y, Levy J, Linnewiel-Hermoni K, Stepensky D, Paran E. Effect of Tomato Nutrient Complex on Blood Pressure: A Double Blind, Randomized Dose?Response Study. Nutrients. 2019;11(5). pii: E950. View abstract.
Xu X, Li S, Zhu Y. Dietary Intake of Tomato and Lycopene and Risk of All-Cause and Cause-Specific Mortality: Results From a Prospective Study. Front Nutr 2021;8:684859. View abstract.
Yeum KJ, Ahn SH, Rupp de Paiva SA, et al. Correlation between carotenoid concentrations in serum and normal breast adipose tissue of women with benign breast tumor or breast cancer. J Nutr 1998;128:1920-6.. View abstract.
Yuan C, Fondell E, Ascherio A, et al. Long-Term Intake of Dietary Carotenoids Is Positively Associated with Late-Life Subjective Cognitive Function in a Prospective Study in US Women. J Nutr. 2020;150(7):1871-1879. View abstract.
Zhang S, Hunter DJ, Forman MR, et al. Dietary carotenoids and vitamins A, C, and E and risk of breast cancer. J Natl Cancer Inst 1999;91:547-56. View abstract.
Balick, M. J. and Lee, R. Maca: from traditional food crop to energy and libido stimulant. Altern.Ther.Health Med. 2002;8(2):96-98. View abstract.
Bustos-Obregon, E., Yucra, S., and Gonzales, G. F. Lepidium meyenii (Maca) reduces spermatogenic damage induced by a single dose of malathion in mice. Asian J Androl 2005;7(1):71-76. View abstract.
Cicero, A. F., Bandieri, E., and Arletti, R. Lepidium meyenii Walp. improves sexual behaviour in male rats independently from its action on spontaneous locomotor activity. J Ethnopharmacol. 2001;75(2-3):225-229. View abstract.
Cicero, A. F., Piacente, S., Plaza, A., Sala, E., Arletti, R., and Pizza, C. Hexanic Maca extract improves rat sexual performance more effectively than methanolic and chloroformic Maca extracts. Andrologia 2002;34(3):177-179. View abstract.
Cui, B., Zheng, B. L., He, K., and Zheng, Q. Y. Imidazole alkaloids from Lepidium meyenii. J Nat Prod 2003;66(8):1101-1103. View abstract.
Gonzales, C., Rubio, J., Gasco, M., Nieto, J., Yucra, S., and Gonzales, G. F. Effect of short-term and long-term treatments with three ecotypes of Lepidium meyenii (MACA) on spermatogenesis in rats. J Ethnopharmacol 2-20-2006;103(3):448-454. View abstract.
Gonzales, G. F., Gasco, M., Cordova, A., Chung, A., Rubio, J., and Villegas, L. Effect of Lepidium meyenii (Maca) on spermatogenesis in male rats acutely exposed to high altitude (4340 m). J Endocrinol 2004;180(1):87-95. View abstract.
Gonzales, G. F., Miranda, S., Nieto, J., Fernandez, G., Yucra, S., Rubio, J., Yi, P., and Gasco, M. Red maca (Lepidium meyenii) reduced prostate size in rats. Reprod.Biol Endocrinol 1-20-2005;3(1):5. View abstract.
Gonzales, G. F., Rubio, J., Chung, A., Gasco, M., and Villegas, L. Effect of alcoholic extract of Lepidium meyenii (Maca) on testicular function in male rats. Asian J Androl 2003;5(4):349-352. View abstract.
Gonzales, G. F., Ruiz, A., Gonzales, C., Villegas, L., and Cordova, A. Effect of Lepidium meyenii (maca) roots on spermatogenesis of male rats. Asian J Androl 2001;3(3):231-233. View abstract.
Muhammad, I., Zhao, J., Dunbar, D. C., and Khan, I. A. Constituents of Lepidium meyenii 'maca'. Phytochemistry 2002;59(1):105-110. View abstract.
Oshima, M., Gu, Y., and Tsukada, S. Effects of Lepidium meyenii Walp and Jatropha macrantha on blood levels of estradiol-17 beta, progesterone, testosterone and the rate of embryo implantation in mice. J Vet.Med Sci 2003;65(10):1145-1146. View abstract.
Rubio, J., Caldas, M., Davila, S., Gasco, M., and Gonzales, G. F. Effect of three different cultivars of Lepidium meyenii (Maca) on learning and depression in ovariectomized mice. BMC.Complement Altern Med 6-23-2006;6(1):23. View abstract.
Zhu H, Xu W, Wang N, et al. Anti-fatigue effect of Lepidium meyenii Walp. (Maca) on preventing mitochondria-mediated muscle damage and oxidative stress in vivo and vitro. Food Funct 2021;12(7):3132-3141. View abstract.
Select a condition to view a list of vitamins
CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.
This copyrighted material is licensed from Therapeutic Research Center, LLC. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
Licensed from Therapeutic Research Center, LLC
Copyright © 1995-2024 by Therapeutic Research Center, LLC. All Rights Reserved.