Fujimint Patch, Natural Herbal Abdomen Waist Japanese Mint Patches, Belly Tighten Stickers, Suitable for Women & Men,10pcs/box (10pcs)

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You can learn more about how we ensure our content is accurate and current by reading our editorial policy. But because weight loss patches aren’t regulated by the FDA, a flaxseed oil patch may contain other ingredients that could have side effects. Additionally, while green tea extract is generally pretty safe, some supplements have been shown to cause liver damage in rare cases.

Meanwhile, if you want to lose weight, find a healthy diet that appeals to you, hit the gym, and save the mint for your mojitos.

As a former collegiate pole vaulter, she has a love for all things fitness and is currently obsessed with Peloton Tread workouts and hot yoga.

Bitter orange extract is found in citrus fruits such as Seville oranges and contains synephrine, a stimulant with effects similar to ephedrine, according to a 2012 study. That's the key difference between patches and oral supplements you’d ingest, such as in pill or powder form, says Charlie Seltzer, MD, a weight loss physician and exercise physiologist based in Philadelphia.

Weight loss patches contain different ingredients that manufacturers claim can assist people in losing weight. Although manufacturers claim that using weight loss products on the skin is safer than taking oral doses, evidence on the safety of weight loss patches is lacking.