Serious Side Effects Linked To Fat Burning Supplements

Fat-burning supplements are sold as over-the-counter weight loss aids that claim to boost metabolism. Most of these supplements are a combination of stimulants and herbal extracts. They can contain up to ninety different ingredients, and many contain ingredients not declared on the label. For example, some fat-burning supplements have been found to contain medications that have been withdrawn from the market due to patient deaths and an increased risk of cardiovascular disease. Fat-burning supplements may also contain ingredients, such as phenolphthalein, that are not approved for use in the United States. Phenolphthalein has been linked to cancer.