The decrease in deaths can be linked to advances in treatments and early screening measures
But two in particular stand out

[3] DPP-4 is a dipeptidase that selectively binds substrates that contain proline at the P1-position, thus many DPP-4 inhibitors have 5-membered heterocyclic rings that mimic proline, e } : CS1 maint: deprecated archival service (link) Current Topics in Medicinal Chemistry , 7 (6): 597608, doi:10.2174/156802607780090993, PMID 17352680 Current Topics in Medicinal Chemistry , 7 (6): 557568, doi:10.2174/156802607780091028, PMID 17352677 1 2 3 "Dipeptidyl Peptidase-IV Inhibitors: Pharmacological Profile and Clinical Use", Clinical Diabetes , 26 (2): 5357, doi:10.2337/diaclin.26.2.53, retrieved 29 July 2013 Bioorganic & Medicinal Chemistry Letters , 17 (20): 56385642, doi:10.1016/j.bmcl.2007.07.081, PMID 17822893 Bioorganic & Medicinal Chemistry Letters , 15 (21): 47704773, doi:10.1016/j.bmcl.2005.07.026, PMID 16115768 Current Topics in Medicinal Chemistry , 7 (6): 569578, doi:10.2174/156802607780091073, PMID 17352678 1 2 Diabetologia , 50 (1 Supp): S362S363, doi:10.1007/s00125-007-0809-7, PMID 17710465, ProQuest 213848837 (registration required) Journal of Medicinal Chemistry , 50 (10): 22972300, doi:10.1021/jm070104l, PMID 17441705 FDA Continues Review of Takeda's New Drug Application for Alogliptin (SYR-322), a DPP- 4 agent for Type 2 Diabetes , retrieved 29 July 2013

If you notice any of these signs, it is best to discard the product to ensure you are using a supplement that is effective and safe
"If youre above 80 grams of protein per day, youre in the safe zone, Bellanger said
The company explains that this structure improves blood glucose control and partially mitigates GLP-1-related gastrointestinal side effects