How fast does Dihexa work in experimental studies
PMID 25187433, retraction notice PMID 40312093), and a third (PMID 23055539) carries a 2021 Expression of Concern
For initial trials, a lower dose of 100-250 mcg is recommended, with adjustments made based on the subjects response and study objectives

S-AKI sepsis-induced acute kidney injury ICUs intensive care units EG endothelial glycocalyx AKI acute kidney injury HS heparan sulfate ICAM intercellular adhesion molecule VCAM vascular cell adhesion molecule FGF Fibroblast Growth Factor NO nitric oxide MMPs matrix metalloproteinases ADAMs A Disintegrin And Metalloproteinase Domain-containing Proteins CD44 Cluster of Differentiation 44 HA hyaluronic acid LPS lipopolysaccharide EMCN endo mucin BUN blood urea nitrogen CLP cecum ligation and puncture GFR glomerular filtration rate NGAL neutrophil gelatinase-associated lipocalcin S1P Sphingosine 1-Phosphate TNF- Tumor Necrosis Factor- IL-10 Interleukin-10 IL-1 Interleukin-1 VC Vitamin C SIRT1 Sirtuin 1 LNPG liposomal nanocarriers of pre-assembled glycocalyx AMPK/mTOR 5-Adenosine Monophosphate-Activated Protein Kinase/mammalian Target Of Rapamycin IL-6 Interleukin-6 vWF Von Willebrand Factor SOD Reactive Oxygen Species SDX sulodexide ROS Reactive Oxygen Species Glossary References 1

(PubMed) Huang R, Song L, Zhao J, Lei Y, Li T
At 10 mg in 3 mL (3.333 mg/mL), that is 0.18 mL, which reads as 18 units on a U-100 syringe