While I don't have a definite answer, from what I know it's safe. But I do have a definite answer in that peptides do not come close to replicating real hgh. They will jack up your igf score, probably help a little with muscle growth and recovery but they won't burn fat like real GH and they don't heal injury and recovery nearly as much as hgh. Except bpc and tb, they work very well for healing.
If I was you I would buy 2-3 months worh at tops and see if you think it's worth it long term. Mind you I am a rep for a company that sells these products. I have no reason to steer you wrong or I would say, these things are just like GH come buy them from me.
They work, but they work much different then hgh. Different drugs for different goals