It is recommended to take 1 to 2 sprays of Renewal HGH / IGF-1 under the tongue three (3) times a day, five (5) days a week, or as directed by a health care professional.

• 我们建议在使用常青顺势HGH和IGF-1系列产品时，每次喷1到2喷在舌下，每天使用3次，每周使用5天，或是在健康医生的指导下进行服用。