What does melatonin do
Jul 16, 2021

What does melatonin do

Melatonin is a hormone that your brain produces in response to darkness. It helps with the timing of your circadian rhythms (24-hour internal clock) and with sleep. Being exposed to light at night can block melatonin production.

What does melatonin do to your body

Melatonin works together with your body’s circadian rhythm.

In simple terms, the circadian rhythm is your body’s internal clock. It lets you know when it’s time to:




Melatonin also helps regulate your body temperature, your blood pressure, and the levels of some hormones (5Trusted Source, 6Trusted Source, 7Trusted Source).

Melatonin levels start to rise in your body when it’s dark outside, signaling to your body that it’s time to sleep (8Trusted Source).

It also binds to receptors in the body and can help you relax.

For instance, melatonin binds to receptors in the brain to help reduce nerve activity.

It can reduce levels of dopamine, a hormone that helps you stay awake. It’s also involved in some aspects of the day-night cycle of your eyes (9Trusted Source, 10Trusted Source, 11Trusted Source).

Although the exact way melatonin powder helps you fall asleep is unclear, research suggests these processes can help you fall asleep.

Conversely, light modulates melatonin production, which is one way that your body knows it’s time to wake up (12Trusted Source).

As melatonin helps your body prepare for sleep, people who do not make enough of it at night can have trouble falling asleep.

There are many factors that may cause low melatonin levels at night.

Stress, smoking, exposure to too much light at night (including blue light), not getting enough natural light during the day, shift work, and aging all affect melatonin production (13Trusted Source, 14Trusted Source, 15Trusted Source, 16Trusted Source).

What does melatonin do for dogs

What does melatonin do for dogs

The sedative qualities in melatonin make it effective in calming down and soothing anxious dogs. Melatonin helps improve your pet's mood and relieve your pet's anxiety issues, including hyperactivity, restlessness, separation anxiety, and any kind of phobias like loud noises.

What does melatonin do for sleep

“Your body produces melatonin naturally. It doesn’t make you sleep, but as melatonin levels rise in the evening it puts you into a state of quiet wakefulness that helps promote sleep,” explains Johns Hopkins sleep expert Luis F.

What does melatonin do for babies

Melatonin is a hormone that helps support the body’s circadian rhythm.

If a child has a disrupted sleep-wake cycle or if their pineal gland does not secrete enough melatonin, they may develop insomnia or another sleep disorder.

Keeping a consistent bedtime routine that includes limiting the use of electronic devices and avoiding stimulants, such as caffeine, can help relieve insomnia in some children.

If a child’s sleeping habits do not improve with these and other behavioral modifications, it may be a good idea to speak with a pediatrician about treatment options, including melatonin.

Melatonin seems to help correct a child’s sleep cycle in the short term. However, no evidence supports its use in babies, and the long-term effects in children remain unclear.

What does melatonin do for your skin

What does melatonin do for your skin

Melatonin penetrates the skin and activates the synthesis of antioxidant enzymes. These antioxidant enzymes work to block free radicals and thus repair oxidative damage to the skin. This means melatonin is a major skin protectant, from free radical scavenging to DNA damage repair.

What does melatonin do for fertility

Technically, it acts as an antioxidant in the ovaries, removing free radicals and preventing cellular damage especially during ovulation, when eggs are most vulnerable. The end result: optimal amounts of melatonin create healthier and more fertile eggs.

Melatonin side effects

Melatonin has been used safely for up to 2 years in some people. However, it can cause some side effects including headache, short-term feelings of depression, daytime sleepiness, dizziness, stomach cramps, and irritability. Do not drive or use machinery for four to five hours after taking melatonin.

Melatonin benefits

Melatonin benefits

Melatonin may improve sleep, eye health, seasonal depression, HGH levels and GERD. Doses of 0.5–10 mg per day appear to be effective, though it's best to follow label recommendations. Melatonin is safe and associated with minimal side effects, but may interact with some medications.

How does melatonin work

Melatonin is a natural hormone that is produced by the pineal gland (located in your brain). It helps control your sleep cycle. The body produces melatonin just after it gets dark, peaking in the early hours of the morning and reducing during daylight hours. Melatonin acts on receptors in your body to encourage sleep.

For bulk melatonin powder, please contact us at email:


  • QR Code