Preparations that had been characterized as GHK were, in plasma or in serum-containing medium, almost certainly GHK-Cu
doi: 10.1002/mnfr.202100819 216
Across the trials, effect sizes differ by peptide class, dosage, and treatment duration, with the most consistent improvements observed in metabolic indicators, such as fasting glucose levels and HOMA-IR, and body composition
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In this randomized, comparative trial, 90 patients with ME/CFS were given either 2 grams per day of Acetyl-L-Carnitine (ALCAR), 2 grams per day of Propionyl-L-Carnitine (PLCAR), or a combination of both over a 24-week period
Hydration requires particular attention, as patients may experience reduced oral intake due to nausea or early satiety