Charak Samhita
जरापरीतोऽप्यबलो योगेनानेन विन्दति। नरोऽपत्यं सुविपुलं युवेव च स हृष्यति ॥१७॥
By this preparation, even an old and a weak person becomes capable of procreating many children and acquires the virility of youth.
english translation
jarAparIto'pyabalo yogenAnena vindati। naro'patyaM suvipulaM yuveva ca sa hRSyati ॥17॥
hk transliteration by Sanscript