Here are some research papers related to the potential dangers of certain ingredients in protein powders:
"Heavy metals in protein supplements: health risks to consumers" published in the journal "Environmental Science and Pollution Research": https://www.ncbi.nlm.nih.gov/pmc/arti...
"Aspartame-induced DNA damage in leukocytes" published in the journal "Toxicology and Applied Pharmacology": https://www.ncbi.nlm.nih.gov/pubmed/2...
"Gene expression profiling in livers of mice after 28 days exposure to a hepatotoxic dose of soybean oil, genistein or a soybean oil/genistein mixture" published in the journal "Toxicology and Applied Pharmacology": https://www.ncbi.nlm.nih.gov/pubmed/1...
"The effect of whey protein concentrate on the symptoms of lactose intolerance in irritable bowel syndrome patients: a randomized placebo-controlled trial" published in the "Journal of Dairy Science": https://www.ncbi.nlm.nih.gov/pubmed/3...
"Food colors and attention deficit/hyperactivity disorder symptoms: a critical review" published in the "Journal of Pediatrics": https://www.ncbi.nlm.nih.gov/pubmed/2...
"Carrageenan induces interleukin-8 production through distinct Bcl10 pathway in normal human colonic epithelial cells" published in the "Journal of Food Science": https://www.ncbi.nlm.nih.gov/pubmed/1...
"Fructose, insulin resistance, and metabolic dyslipidemia" published in the "Journal of Clinical Investigation": https://www.ncbi.nlm.nih.gov/pmc/arti...
"Butylated hydroxyanisole-induced liver damage in rats" published in the "Journal of Food Science": https://www.ncbi.nlm.nih.gov/pubmed/7...
"Acesulfame potassium, a sweetener with a bitter aftertaste, can induce dose-dependent DNA damage in human urothelial cells" published in the "Journal of Environmental Science and Health": https://www.ncbi.nlm.nih.gov/pubmed/2...
"The effect of milk protein on the symptoms of irritable bowel syndrome" published in the "Journal of Dairy Science": https://www.ncbi.nlm.nih.gov/pubmed/1...