When IGF-1 is unchanged, the documented troubleshooting steps are to reassess dose timing (fasted state), injection technique, and peptide quality
van de HaarHJBurgmansSJansenJFvan OschMJvan BuchemMAMullerMet al
Fortunately, simple L-theanine supplements are plentiful, and a branded supplement called Suntheanine presents an opportunity to get a well-researched and responsibly manufactured version of this potent amino acid
The Vitamin C-rich formula reduces dark circles by suppressing melanin production, giving your under-eyes a brighter, more refreshed appearance
The 2017 Drug Testing and Analysis SAR review compiled the broader peptidic GH secretagogue class within which both compounds sit (PMID 26811125)
Duranton C, Huber SM, Lang F