### Regulatory Status and Availability **AOD-9604:** - Never received FDA approval for any indication - Classified by the FDA as a **Category 2 bulk drug substance** not eligible for compounding under Section 503B - Removed from many international peptide supplier platforms (including Alibaba and related marketplaces) - Legal status varies by country
TB-500 shows comparable room temperature tolerance in lyophilized form, lasting 2-3 weeks under typical conditions
Mechanistic insight into drivers of the NRF2 dependency remains poorly understood
J Clin Invest 13:9638, PMID: 16694262 Rybka J, Kdziora-Kornatowska K, Bana-Leaska P, Majsterek I, Carvalho LA, Cattaneo A, Anacker C, Kdziora J (2013) Interplay between the pro-oxidant and antioxidant systems and proinflammatory cytokine levels, in relation to iron metabolism and the erythron in depression
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