This guide was compiled after recommendations by the American Institute for Cancer Research (AICR) Cancer Resource Advisory Council. It encompasses the AICR position on current issues in nutrition for cancer survivors during treatment and is intended to provide advice about dietary supplements for cancer survivors who are still being treated. Current scientific findings about the safety and effectiveness of some commonly used dietary antioxidants and nonantioxidant supplements during chemotherapy are presented and assessed. Use of dietary supplements during cancer treatment remains controversial. Patients are cautioned that vitamin and mineral supplements as therapies are not substitutes for established medicine. The current recommendation for cancer patients is to only take moderate doses of supplements because evidence from human clinical studies that confirm their safety and benefits is limited. A daily multivitamin containing supplements at the levels of the Dietary Reference Intakes can be used safely as part of a program of healthy nutrition. In addition, the AICR Cancer Resource Advisory Council concluded that further scientific research is needed to provide a set of firm guidelines for the use of vitamin and mineral supplements by cancer patients during treatment.

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1. Feeding 2-aminoanthraquinone (2-AAQ) in the diet to Fischer rats led to nephrotoxicity in females, caused by deposits of crystalline material in the kidney tubules. 2. This material consisted of 2-AAQ, N-acetyl-2-AAQ and N-formyl-2-AAQ. N-Formyl-2-AAQ was also identified in the ether extract of urine of rats fed 2-AAQ. 3. This represents the first case of identification of the N-formyl derivative of a primary aromatic amine as a metabolite in vivo.

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