HGH.com Coupon Codes, Promo Codes HGH.com was purchased by Inventory Recovery Corp and is now operated by Purity Select (http://www.purityselect.com). Most of the products found on HGH.com are created specifically by Purity Select and are not found anywhere else online – HGH.com is our only consumer outlet, which is why we pride ourselves on having an impeccable reputation both in product quality, pureness, and customer service.