Original sentence: Gerovital H3 (or procaine hydrochloride and products known as GH3 and other variants which may or may not be identical to Gerovital H3) is a controversial preparation developed during the 1950s and promoted by its advocates as an effective anti-aging treatment.Gerovital is promoted with false claims of its curative abilities for a wide range of human ailments; research has found no evidence that it has any health benefit or "antiaging" properties.Kennedy, Marlene Dietrich, Kirk Douglas and Salvador Dalí
Edited sentence: Gerovital H3 (or procaine hydrochloride and products known as GH3 and other variants which may or may not be identical to Gerovital H3) is a controversial preparation developed in Romania during the 1950s and promoted by its advocates as an effective anti-aging treatment.Kennedy, Marlene Dietrich, Donald Beddoe, Kirk Douglas and Salvador Dalí