Can Metabolism Patches Affect Hormones? This blog explores whether metabolism boost patches can influence or disrupt hormone levels in the body. Since metabolism and hormones are closely linked, especially hormones like cortisol, insulin, thyroid hormones, and adrenaline, it’s important to understand how external supplements, especially transdermal (through the skin) products, may impact this delicate balance. What’s Inside the Patch Matters Many metabolism patches contain natural stimulants like caffeine, green tea extract, L-carnitine, and sometimes B vitamins or other botanical compounds. While these ingredients can help increase energy, thermogenesis, and fat oxidation, they may also influence hormonal responses, particularly if used excessively. Hormones That Could Be Affected: Cortisol (Stress Hormone): Stimulants like caffeine can temporarily increase cortisol levels , especially if used in high doses or close to bedtime. Insulin (Blood Sugar Regulator): Some ingredients ...