The specific activity of cytokines is reported in units/mg rather than International Units (IU). Each lot's certificate of analysis includes a biological activity specification. Although the activity of this product is not reported in IU, we do provide specific activity in units/mg.
For assistance with conversion, the following links contain helpful information:
- https://www.researchgate.net/post/How-to-convert-international-unit-of-interleukin-2-into-micrograms
- https://www.shenandoah-bt.com/international-units-conversion-data.html
- https://www.stemcell.com/biological-activity-of-cytokines-specific-activity-units-mg-vs-international-units.html