Melatonin is a hormone naturally produced by the pineal gland, a small gland located in the brain. It plays a crucial role in regulating the sleep-wake cycle, also known as the circadian rhythm. This hormone helps control the timing and quality of sleep by inducing drowsiness and promoting a state of relaxation. The production of melatonin is influenced by the amount of light we are exposed to. Typically, the pineal gland begins to release melatonin as darkness falls, signaling to the body that it is time to sleep. As daylight emerges, melatonin levels decrease, promoting wakefulness and alertness. This natural process helps to synchronize our internal body clock with the external environment. Melatonin production is affected by various factors, such as age, light exposure, and certain medical conditions. As we age, the production of melatonin tends to decrease, which may contribute to sleep difficulties experienced by older individuals. Additionally, exposure to bright artificial light, especially blue light emitted by electronic devices, can suppress melatonin production and disrupt the sleep-wake cycle. Melatonin supplements are available over-the-counter and can be used to help regulate sleep patterns. These supplements typically come in the form of pills or liquid, and their dosage should be determined based on individual needs. It is important to note that melatonin should be taken under the guidance of a healthcare professional, as it may interact with certain medications or have adverse effects in certain individuals. In summary, melatonin is a hormone produced by the pineal gland that regulates the sleep-wake cycle. It helps to promote sleep by inducing drowsiness and relaxation. Factors such as age and light exposure can influence melatonin production, and supplements are available to assist in regulating sleep patterns. However, it is crucial to seek medical advice before using melatonin supplements to ensure their safe and appropriate use.

Expert Recommendations:

Dr. Andrew Huberman suggests using this method to induce sleepiness, but it may have negative effects on sleep quality and other hormone systems.¹

Can Melatonin Help with Scar Healing?

Melatonin is not traditionally known as one of the best scar healing supplements, but some research suggests it may play a role in promoting wound healing. While more studies are needed, melatonin’s antioxidant and anti-inflammatory properties could potentially aid in the healing process for scars.


• Helps regulate sleep-wake cycles • Reduces the time it takes to fall asleep • Improves sleep quality • Alleviates symptoms of jet lag • May help with certain sleep disorders, such as insomnia • Acts as a natural sleep aid without causing dependency • Supports the body’s natural production of melatonin hormone • Helps establish a consistent sleep schedule • Enhances overall sleep duration • May have antioxidant and anti-inflammatory properties.


• Consult with a healthcare professional before taking melatonin, especially if you have any underlying medical conditions or are taking any medications. • Melatonin may interact with certain medications, such as blood thinners, anticoagulants, immunosuppressants, and birth control pills, so it is important to discuss potential interactions with your doctor. • Avoid melatonin if you are pregnant or breastfeeding, as its safety during these periods has not been established. • Melatonin can cause drowsiness, so avoid driving or operating heavy machinery after taking it until you know how it affects you. • Start with a low dose and gradually increase if necessary, as higher doses may cause side effects such as headaches, dizziness, nausea, or daytime sleepiness. • Melatonin may worsen symptoms in individuals with depression, so use caution if you have a history of depression or other mental health conditions. • Avoid melatonin if you have an autoimmune disorder, as it may stimulate the immune system. • Long-term effects of melatonin use are not well-studied, so it is generally recommended for short-term use only. • Melatonin may cause vivid dreams or nightmares in some individuals, so be aware of any changes in your sleep patterns or dreams. • It is important to note that melatonin is a hormone, and taking it as a supplement may affect your body’s natural production of melatonin. Therefore, it is advisable to use melatonin as directed and not rely on it as a long-term solution for sleep problems.


1. Rational Supplementation for Health & Performance

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