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doi: 10.1016/0162-0134(89)80040-6 199 ORourkeJ

doi: 10.1094/PHYTO-11-20-0498-R 86 ZhuY.LiL

Endotoxin contamination, heavy metal contamination, incorrect peptide sequence, and unknown formulation components are documented risks of non-pharmaceutical-grade manufacturing

Individual outcomes vary

Even safety data on TB-500 (synthetic TB4) is relatively scarce, with only a few studies reporting the potential side effects of its systemic application: In a 2010 study in 10 participants, TB4 caused occasional mild to moderate symptoms like headache and dizziness but no serious reactions or toxicities, even at doses up to 1260mg, administered daily for up to two weeks