30 matches across articles, videos and resources.
ArticleDr. Johnston ranks the ten supplements and repurposed generic drugs he would put on his own shortlist, weighing human trials first, then animal and laboratory research.
USP-grade methylene blue capsules from Nutricel, a resource listed by Verity Health Institute. Disclosure and how this differs from the cancer research reviews.
Video: Dr. J.P. Johnston explains how Verity Health Institute reviews published research on supplements and repurposed medications in cancer.
ArticleDr. Johnston looks at studies linking obesity to cancer and examines whether GLP-1 medications are associated with lower cancer risk, noting that the evidence is observational.
ArticleDr. Johnston looks at what studies in animals and people report about gut bacteria, probiotics and the response to cancer immunotherapy.
ArticleDr. Johnston asks whether MTHFR variants matter more under stress such as COVID-19, and why he turned to L-methylfolate.
Video: a 2019 meta-analysis of elemene injections added to chemotherapy in 1,410 lung cancer patients. Not the same as oral curcumin.
Verity Health Institute is led by Dr. J.P. Johnston, D.O., a retired family physician with 30 years of experience, and reviews published cancer research.
Video: the ALASCCA trial found low-dose aspirin lowered 3-year colorectal cancer recurrence in tumors with PIK3CA changes. Includes the bleeding risks.
Video: lab and mouse research on the peptide BPC-157 in melanoma cells and cancer cachexia. Preclinical only, with no human cancer trials.
Video: a randomized, placebo-controlled trial of sulforaphane in 78 men with rising PSA after prostate cancer surgery. PSA marker results only.
Video: gut bacteria and immunotherapy response, from mouse studies to a 15-patient melanoma trial. Small, early human evidence.
Video: a 14-patient phase I trial of L-methylfolate in recurrent glioma found higher tumor DNA methylation but no survival benefit. Educational only.
Video: PSK, a Turkey Tail extract used in Japan, was tested in randomized cancer trials. The survival signal is modest and low certainty. Tea is not PSK.
Video: a 40-patient phase II study of donor gut bacteria before immunotherapy, and which bacteria stand out in published cancer research.
Video: a 2000 case-control study on sunscreen use and melanoma, and a 2023 meta-analysis of vitamin D3 and cancer mortality. Part 1 of 2.
Video: Dr. Johnston reviews a 2025 analysis of 21 prospective studies on blood lycopene levels and cancer deaths, lung and breast cancer, plus lab findings.
Video: a randomized study of 1,044 patients after surgery for hepatocellular carcinoma tested Huaier, a medicinal mushroom, against standard follow-up.
Video: a 2012 meta-analysis of 8 small randomized trials linked melatonin to better tumor response. The trials were small and mostly unblinded.
Video: a randomized trial of European mistletoe extract in advanced pancreatic cancer reported longer survival and better quality of life. Educational only.
Video: a large analysis linked statins to lower cancer mortality, but observational data cannot prove cause and effect. What the evidence shows.
Video: a 40-patient randomized trial added mebendazole to chemotherapy for metastatic colorectal cancer. Small study, larger trials needed. Not medical advice.
Video: a phase II trial of grape seed extract in 41 men with rising PSA after prostate cancer treatment. No placebo group. Early evidence, not proof.
Video: analyses of randomized trials in advanced lung cancer compared chemotherapy alone with chemotherapy plus astragalus-based herbal medicine.
Video: how L-methylfolate differs from folic acid, why common MTHFR gene variants may matter, and what a small phase I glioma trial found. Educational only.
Video: a randomized, placebo-controlled trial found fewer recurrent colorectal adenomas with berberine after polyp removal. Prevention research, not treatment.
Video: a Mayo Clinic phase 2 trial of green tea extract (EGCG) in chronic lymphocytic leukemia found biological responses in most patients. No placebo group.
Video: methylene blue and how cancer cells make energy. The cited study used cell cultures and did not test red light. Early lab research, not proof in people.
Video: a 2016 lab and mouse study of dandelion root extract in colon cancer cells. Preclinical only, with no adequate human cancer trials yet.
Video: large studies link optimism, faith and spirituality with cancer outcomes. These are associations, not proof of cause.