Dr. Erik St. Louis, a Mayo Clinic neurologist, says melatonin gummies and supplements can be effective for people with sleep issues. "Melatonin, in general, can help with sleep problems, especially when there's a problem with insomnia, which is trouble falling and/or staying asleep," he says.

Melatonin Glucose Syrup, Sugar, Water, Gelatin, Citric Acid, Pectin, Malic Acid, Natural Flavors, Color Added, Vegetable Oil (Palm Oil or Medium Chain Triglycerides Oil), Carnauba Wax.

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Dosages and ingredients in sleep aids are often inaccurate, may pose danger. Buyer beware: Chewable melatonin supplements sold as over-the-counter sleep aids may contain potentially dangerous levels of the hormone, according to a research team that tested 25 gummy sleep products.

It is typically safe for adults to take melatonin every night for short periods of time.

Benefits of Melatonin Melatonin supplements are used as a natural sleep aid to help with sleep disorders, jet lag, delayed sleep-wake phase disorder, and even just to help you fall asleep and stay asleep.

In the United States, melatonin is considered a dietary supplement. This means that it's regulated less strictly by the Food and Drug Administration (FDA) than a prescription or over-the-counter drug would be. In several other countries, melatonin is available only with a prescription and is considered a drug.

Common side effects

• Feeling sleepy or tired in the daytime. Do not drive, cycle or use tools or machinery if you're feeling this way.
• Headache. Make sure you rest and drink plenty of fluids.
• Stomach ache.
• Feeling sick (nausea)
• Feeling dizzy.
• Feeling irritable or restless.
• Dry mouth.
• Dry or itchy skin.

Side effects of melatonin Brand names: Circadin Adaflex, Ceyesto, Slenyto, Syncrodin

• Feeling sleepy or tired in the daytime. Do not drive, cycle or use tools or machinery if you're feeling this way.
• Headache.
• Stomach ache.
• Feeling sick (nausea)
• Feeling dizzy.
• Feeling irritable or restless.
• Dry mouth.
• Dry or itchy skin.

Less common melatonin side effects might include short-lasting feelings of depression, mild tremor, mild anxiety, abdominal cramps, irritability, reduced alertness, confusion or disorientation. Because melatonin can cause daytime drowsiness, don't drive or use machinery within five hours of taking the supplement.

Common side effects

• Feeling sleepy or tired in the daytime. Do not drive, cycle or use tools or machinery if you're feeling this way.
• Headache. Make sure you rest and drink plenty of fluids.
• Stomach ache.
• Feeling sick (nausea)
• Feeling dizzy.
• Feeling irritable or restless.
• Dry mouth.
• Dry or itchy skin.

Melatonin can affect multiple cardiovascular functions, such as cardiac output, blood pressure, heart rate, and seasonal rhythms. The functions of melatonin are related to the activity of the melatonergic system and the suprachiasmatic nucleus (94).

“If melatonin for sleep isn't helping after a week or two, stop using it,” says Buenaver. “And if your sleep problems continue, talk with your health care provider. If melatonin does seem to help, it's safe for most people to take nightly for one to two months. “After that, stop and see how your sleep is,” he suggests.

Melatonin is generally safe for short-term use. Unlike with many sleep medications, with melatonin you are unlikely to become dependent on it, have less response to it after repeated use or experience a hangover effect.