Don, G., Kouh, I., Brunati, A
The herbal ingredients in these patches are much larger and more complex, so they cant penetrate in meaningful amounts

How L-Carnitine Fat Loss Works Benefits for Cutting & Fat Loss Enhances fatty acid transport into mitochondria, increasing the rate of fat oxidation by 1015% during deficits Improves training capacity during cuts by preserving muscle glycogen and reducing reliance on amino acid catabolism Spares muscle protein during aggressive deficits (400+ kcal below TDEE) by shifting fuel utilization toward fat Reduces fatigue during high-intensity cardio and resistance training in fasted states by optimizing energy availability Improves recovery between high-volume cutting workouts by enhancing ATP regeneration via efficient fat oxidation Synergizes with caffeine and green tea extract for additive thermogenic fat loss effects Safe for extended use during long cutting phases (1216 weeks) with minimal side effects Particularly effective in individuals with low baseline carnitine status (vegetarians, older athletes) or during extended deficits Side Effects & Concerns Modest fat loss benefit (1015% enhancement)not a standalone fat burner, requires caloric deficit and training TMAO production concern: L-carnitine is metabolized to trimethylamine N-oxide, potentially linked to cardiovascular issues in some studies (controversial and dose-dependent) Minimal effectiveness in sedentary individuals or without concurrent caloric deficit

Prioritizing healthy foods, exercising regularly, and getting enough sleep all cause your natural GLP-1 levels to rise temporarily (only for a couple of minutes, as opposed to GLP-1 medications, which last for a week) (5, 6, 7)
This combination has become particularly popular among athletes and individuals recovering from serious injuries
Other Risks of Stopping GLP-1 Agonists Besides those risks, there are also risks of going off the medications