Zhaoping Li, MD, chief of the Division of Clinical Nutrition at the University of California, Los Angeles.
Cancer Research UK: “Weight loss.”
American Cancer Society: “Loss of Appetite.”

Oncotarget: “Melatonin as a potential anticarcinogen for non-small-cell lung cancer.”
National Center for Complementary and Integrative Health: “Melatonin: What You Need to Know.”

Oncology Letters: “Effects of probiotics on chemotherapy in patients with lung cancer.”
Memorial Sloan Kettering Cancer Center: “Probiotics.”
National Institutes of Health, Office of Dietary Supplements: “Multivitamin/mineral Supplements.”
UC San Diego Health: “Supplements to Avoid During Chemotherapy.”
OncoLink: “Supplement Use During Radiation Therapy.”