Human Growth Hormone…Controversial…You Bet! If you could stimulate your body to produce it and you would not have to inject yourself…would you consider it? This is one of Dr Oz's favorite age rejuvenation products: SEROVITAL. It gives the body everything it needs to boost production of your own HGH! Yes, we have it at our spa and are recommending it in the peri-operative period to boost long term results and facilitate healing.Studies have shown remarkable stimulation in HGH using this product!