my dad has been sick for month or two on and off. Nothng too extreme.. he is always under alot of stress, weather he shows it or not. has back problems, due to a blown disk in his early days (lost his balance while squating). He does have high blood pressure, although recently it has been at an all tme low.. i plan on getting him some POSEIDON, cissus, and a good multivitamen.. anyone have any other suggestions for a 50year old male??