The question of creatine vs L-carnitine is a matter of choice that is based on the fitness objectives, the style of training, and lifestyle
Their evidence is promising but still largely preclinical, so they are used as a supervised, supportive option with realistic expectations rather than a proven cure
Not everyone needs injections, though
Among the upregulated genes are those encoding DNA repair enzymes (BRCA1, ATM), extracellular matrix proteins (COL1A1, COL3A1, ELN) and antioxidant enzymes (SOD1, SOD2, GPX)
Tirzepatide is a dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptor agonist approved by the FDA for type 2 diabetes management (Mounjaro) and chronic weight management (Zepbound)