Melatonin is hormone.

Melatonin is a hormone generated by a gland in the brain that helps regulate your body's circadian rhythm and 24-hour sleep-wake cycle.

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Your body naturally produces melatonin on its own.

Melatonin is a hormone naturally generated by your body to help you fall asleep each night. It aids in immune function and impacts your circadian rhythm.

Melatonin supplements can contain up to 20x the amount your body naturally produces.

The amount of melatonin in over-the-counter supplements far exceeds what your body naturally produces.

Too little or too much melatonin means supplementing can actually have the opposite effect and keep you awake. 

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Melatonin isn't regulated by the FDA, so it often contains too much or too little of the hormone.

Over-the-counter melatonin has been shown to contain as little as 15% and as much as 155% of the advertised amount.

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Side Effects of Melatonin Reliance

People who rely on melatonin supplements risk damaging adrenal function and often deal with headaches, drowsiness, dizziness, and nausea.

Routine melatonin supplementation can also cause dependency and eventually affect your body's natural production of the hormone.


Can cause constipation and diarrhea.


People often experience headaches from melatonin reliance.


Dizziness is a common melatonin reliance symptom.


People often wake up feeling groggy and tired the following day.

Imbalanced Androgens

Melatonin use can lead to imbalances in both Testosterone and Estrogen.


Melatonin can cause symptoms of depression or make existing symptoms worse.

Melatonin vs. Knocked FAQs

How does Knocked compare to melatonin?