Since then, liraglutide (Victoza and Saxenda, Novo Nordisk), dulaglutide (Trulicity, Eli Lilly), lixisenatide (Adlyxin, Sanofi-Aventis), semaglutide (Ozempic, Wegovy and Rybelsus, Novo Nordisk) and tirzepatide (Mounjaro and Zepbound, Eli Lilly) have been FDA approved for various indications
A 2017 systematic review and meta-analysis identified 12 intervention studies that assessed the effect of L-carnitine or ALCAR on cancer-related fatigue (reported as a primary or secondary outcome) in cancer survivors (108)
Cepat
In a 2003 in vitro experiment by Khavinson and colleagues, addition of micromolar concentrations of the peptide to cultured human somatic fibroblasts produced a measurable increase in telomerase reverse transcriptase activity and a corresponding extension of telomere length across 1020 passages, with cell cultures continuing to divide beyond the Hayflick limit observed in untreated controls
Studies of similar subcutaneous therapies (e.g., insulin) show 4 mm needles are effective for the vast majority of patients, reducing the risk of accidentally injecting into muscle (intramuscular injection)
The most important takeaway is that quality matters