Thick mucosal tissue, reduced blood flow to the sublingual area (common in smokers), chronic dry mouth from medications, and mouth breathing during sleep that carries over to the dosing period can all reduce how effectively drops work
They should not be described as identical
Stack #6: GHK-Cu + BPC-157 (Skin/repair stack) Why its popular: This is a regeneration aesthetic stack: hair, skin, collagen, wound healing, plus systemic repair. The regulatory nuance most people miss In the FDAs September 2024 update, GHK-Cu appears with a specific note: it is listed under Category 1 except for injectable routes, while injectable routes are listed under Category 2
Malaguarnera M, Pistone G, Astuto M, Dell'Arte S, Finocchiaro G, Lo Giudice E, Pennisi G: L-Carnitine in the treatment of mild or moderate hepatic encephalopathy
Is berberine more like metformin or Ozempic