Seems what we know for sure now, as confirmed by Peyton's agent, is that an HGH shipment(s) was sent to and arrived at the Manning household, presumably addressed to his wife, Ashley.
Guess that leaves us with two competing theories - Ashley likes mixing in some HGH in the backing soda for her pastry recipes ... or it was for her pro-athlete husband, who was going thru a period in his career where he could have really used some HGH.
Gee ... it's really tough to pick the more likely scenario of the two. But you know - "It can't be Peyton. Not Peyton."
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P.S. There are theories floating around about Peyton's wife taking HGH as part of a fertility treatment but she could have done that in the U.S. too, if it was really needed. Why go half a world away to get such a treatment, not without its own risks if not administered properly, at a shady "anti-aging" clinic, if that was indeed the case?