Hello-
Siddha Makardhwaj is an Ayurvedic medicine, with herbal and mineral ingredients, in tablet form. It is used for rejuvenation, convalescent and aphrodisiac therapy.
Sri Gopal Taila is an Ayurvedic oil used in various neuro-muscular conditions, to improve brain and memory power etc. . It is also used to treat ED problem.
NOTE: Both the medicines should not be taken without any medical supervision as they are high grade ayurvedic medicines and can have a serious side effect also.