Verifiable on https://zphc.hk/

Lab test results
Please, consider that the margin of error in both lab testing and during HGH production is 10-15 %.
So, the real content of HGH in the vial is a range of 14-18 IU.

To provide consistent results, all samples were tested after being held outside of the cold chain for a period comparable to the transit time experienced by the customer