It is a designation used primarily by the FDA (Food and Drug Administration) for products, often in vitro diagnostic (IVD) components like reagents or instruments, that are in the laboratory research phase of development and are not intended for clinical diagnostic use
Experimental data indicate increased functional tone of the lower esophageal and pyloric sphincters following peptide administration, a response associated with reduced reflux-related injury and attenuation of esophageal inflammation in animal models (11)
And a significant percentage of women over 50 quietly abandon it because it makes their skin burn, peel, and look worse before it looks better
This is why weekly injections provide reasonably stable blood levels
Early, small, short-term studies on premenopausal women diagnosed with HSDD have shown some evidence of increased libido, but theres no evidence yet that it has this effect on menopausal women