When it comes to losing weight, it's important to be cautious about the supplements you choose. While there are safe ways to use diet supplements, it's crucial to avoid untested diet pills. For example, usnic acid, sold online as a weight-loss drug, led to severe health issues for a young woman who ended up needing a liver transplant. This highlights the dangers of unregulated products. Instead, work with a medical professional to develop a safe treatment plan. There are FDA-approved weight-loss drugs that can help, such as phentermine, Xenical, and Meridia. These drugs are often used in combinations to reduce side effects and improve effectiveness. Always consult with a healthcare provider before starting any weight-loss medication to ensure it's safe for you.