fda approval status semax selank noopept cerebrolysin dihexa Both nootropic research compounds. Both available at Kimera. Not interchangeable. Here is the difference: - Synthetic dipeptide analog - Structurally related to the racetam family Selank & Semax: Powerful Peptides

10.1161/ATVBAHA.120.314731 19 BrinkerA.ScheuflerC.Von Der MulbeF.FleckensteinB.HerrmannC.JungG.et al (2002)

In another rat study, brain infarction was significantly lower in animals which were treated intranasally with KND (a DSIP analog) at a dose of 300 mcg/kg, compared to controls [28]

Minor injury: 24 weeks at 250500 mcg/day Severe injury or surgery: 46 weeks, up to 1,000 mcg/day Gut repair: 46 weeks oral or SubQ Neurological support: 48 weeks Most patients notice improvements within 710 days, especially in pain reduction and mobility

Dosing protocols vary based on goals, with monthly costs typically $150-$200 for comprehensive treatment

Summary 503A pharmacies can use bulk drug substances as active ingredients for human compounding as long as those substances fulfill one of the following criteria: It has an applicable USP or NF monograph (excluding dietary supplement monographs, according to the FDA) It is a component of an FDA-approved drug It is included in Category 1 of the FDAs interim substance list It is on the FDAs positive list, which includes the six substances announced in the FDAs rule that is effective March 21, 2019 A.J