The research-grade material supplied by Koi Peptides is synthesized independently for in vitro laboratory research only not formulated, packaged, or labeled for human use, not equivalent to or a substitute for any approved drug or cosmetic product, and not authorized for any human or veterinary indication
If you want a plain-language rundown of symptoms and patterns, the Crohns overview is a good place to start
PMID: 252 SerranoDRLucianoFCAnayaBJOngorenBKaraAMolinaGet al
However, potency does decline gradually over time
No serious long-term side effects have been reported from regular therapeutic use
One may notice blistering when removing certain color inks, namely red, orange, yellow and green