injection

Firstly, our quality can be guaranteed; Secondly, our transportation efficiency and customs clearance rate can be guaranteed; Thirdly, we will provide you with the highest quality service, in any aspect. If you have any questions, I will have the answer.

Human growth hormone (HGH) is a proteohormone secreted by the pituitary gland. It acts through binding to the HGH receptor, inducing either direct effects or initiating the production of insulin-like growth-factor I (IGF-I), the most important mediator of HGH effects. Growth hormone is primarily...