AOD 9604 is an acidic compound that may occasionally form a gel-like consistency. By purchasing AOD 9604, you acknowledge that it is a research chemical and understand that NO REFUNDS/RETURNS/EXCHANGES will be issued in the event of gelling. While we implement rigorous quality control measures to minimize the likelihood of this occurring, we cannot fully control this phenomenon. By completing your purchase, you accept the possibility of gelling as part of the nature of the product.