I was unable to find this DHEA in a supplement.
It’s widely available.
https://www.puritan.com/dhea-522?scid=45174&cmp=msn-_-Bing_NB_Supplements&scid=45174&tf_adid&tf_asid=1265538642932293&tf_cid=402398527&gclsrc=ds
All the bodies hormones can be synthesized from DHEA. Your body uses it to make everything.