Relevant Studies & Resources For those interested in learning more about the research behind IGF-1, IGFBP-3, and their connection to cancer risk and hormone signaling, here are several peer-reviewed studies and academic resources: Circulating Growth Factor Concentrations and Breast Cancer Risk: A Nested Case-Control Study of IGF-1, IGFBP-3, and Breast Cancer in a Family-Based Cohort PMC Insulin-like Growth Factor (IGF)-I, IGF Binding Protein-3, and Cancer Risk: Systematic Review and Meta-Regression Analysis PubMed The Expression and Function of IGFBP-3 in Normal and Malignant Breast Tissue Anticancer Research IGF-1, IGFBP-3, and Cancer Risk The Lancet Concentrations of IGF-I and IGFBP-3 and Pancreatic Cancer Risk in the European Prospective Investigation into Cancer and Nutrition British Journal of Cancer Genetic Polymorphisms in the IGFBP3 Gene: Association with Breast Cancer Risk and Blood IGFBP-3 Protein Levels Among Chinese Women Cancer Epidemiology, Biomarkers & Prevention Plasma Levels of Insulin-Like Growth Factor-I and Lung Cancer Risk: A Case-Control Analysis Journal of the National Cancer Institute Alterations of Insulin-like Growth Factor Binding Protein 3 (IGFBP-3) Glycosylation in Patients with Breast Tumours Clinical Biochemistry
Selenium excretion is reduced during pregnancy
This level of precision is overkill for standard dosing but invaluable for microdosing protocols where researchers work with doses of 0.25 mg to 1 mg
doi: 10.3389/fimmu.2026.1753434 Received 24 November 2025 Revised 03 March 2026 Accepted 10 March 2026 Published 25 March 2026 Volume 17 - 2026 Edited by Jiaxiong Tan, Tianjin Medical University Cancer Institute and Hospital, China Reviewed by Ye Zhitao, Guangzhou Medical University, China Peng Ouyang, The First Affiliated Hospital of Jinan University, China Updates Copyright 2026 Li, Wang, Xu, Huang, Hong, Ji and Liu
Canadian buyers must balance quality verification against practical sourcing challenges
A landmark randomized controlled trial published in The Journal of Clinical Investigation provides concrete data on how significantly these medications affect fluid intake
