liposomal glutathione bioavailability study human oral poor outperforms plain glutathione in uptake, cell regeneration and systemic availability: evidence from Enhancing the Oral Bioavailability of

Hepatocyte growth factor (HGF) and its high-affinity receptor, mesenchymal epithelial transition factor (c-Met), are closely related to the onset, progression, and metastasis of multiple tumors

PMID: 34619471 Cell Biosci2023 May 11;13(1):84

In fact, a 2004 follow-up study to examine the estrogenic effect of sunscreens when used topically on the whole body found that "the endogenous levels of reproductive hormones were unaffected" (even though BP-3 could be detected both in plasma and urine, so its absorption is no doubt too good)

102 , e326e336 (2018)

J Cell Physiol 221:642649 Angin AD, Gun I, Sakin O, Cikman MS, Simsek EE, Karakus R, Basak K, Kaptanagasi AO (2020) Investigation of the preventive effects of dehydroepiandrosterone (DHEA) and Caffeic acid phenethyl ester (CAPE) on cisplatin-induced ovarian damage in rats

IGF-1 is what leads to many of the benefits seen with GH, like increasing muscle mass