I opted for L-arginine Plus Maca because Curling the daily demands already sometimes create. The positive Side effect of sexually higher vivacity and happiness, I like to use it. I take the L-arginine Plus Maca is not very long, but I can say that I am "all around" become fitter again (I'm 68 years). My stamina and physical condition have thereby greatly improved. The day begins with power, strength and Wohlgefühl.und I finish him with a wonderful view of a long not witnessed sexually satisfactory feeling. I would recommend this product to anyone who is unhappy with his physical situation.