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Melatonin and breast cancer: is it safe and can it help?

Some people undergoing breast cancer treatments such as chemotherapy find that melatonin helps them relax and sleep. Photo: Pexels

(S. Behring/ Healthline) — Melatonin is a popular supplement that’s best known for its ability to help people sleep. New evidence suggests that melatonin may also help lower your risk of breast cancer and improve treatment outcomes.

Taking melatonin is considered safe for most people with breast cancer. However, melatonin does interact with several prescription medications, so it’s best to ask a doctor if you’re considering using it.

In this article, we take a closer look at what researchers have found about the link between melatonin and breast cancer prevention and treatment.

Recent research has looked into the possibility that melatonin might help prevent breast cancer, as well as slow its growth and help treatment work more effectively. Here’s what these studies have found. (…)