The April 2026 TGA alert regarding unapproved GLP-1 receptor agonists (including Retatrutide) reinforced the distinction between therapeutic use, which remains unapproved, and research-grade supply for laboratory purposes, which is legally distinct under Australian law
The key principle is that donors must be well and stable on their medication regimen
J Clin Endocrinol Metab 91(9):33443348 Afman LA, Lievers KJA, van der Put NMJ, Trijbels FJM, Blom HJ (2002) Single nucleotide polymorphisms in the transcobalamin gene: relationship with transcobalamin concentrations and risk for neural tube defects
14:e1007390
This visual change does not mean the product is degraded
During this time, enemas, laxatives, and even surgical procedures to shorten the large bowel and speed bowel waste removal were common