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Science-Based Health Benefits of Melatonin

Science-Based Health Benefits of Melatonin

Melatonin is a natural hormone produced by the pineal gland from the amino acid L-tryptophan and the neurotransmitter serotonin in the brain that’s responsible for managing a person’s natural sleep cycle.1

In addition to regulating sleep, metatonin has as number of other effects on the body and it’s frequently taken as a supplement.

Melatonin is included in Sleep Support by Beyond Vita®. 

1. Regulates Blood Pressure

The melatonin receptors MT1 and MT2 signal blood vessels to widen which decreases blood pressure when activated by melatonin.2

A 2014 article published in the International Journal of Molecular Sciences found that melatonin could be used to treat hypertension and protect organs from high blood pressure with minimal side effects.3

Melatonin plays an important role in the regulation of blood pressure.

2. Better Sleep

The two melatonin receptors MT1 and MT2 also control the different stages of sleep and are responsible for REM sleep otherwise known as deep sleep.4 The pineal gland releases melatonin at night as light levels decrease to signal the body to rest.5

In a randomized double-blind placebo-controlled study on 50 patients with primary insomnia, researchers found that melatonin taken two hours before bedtime leads to a faster time falling asleep and improves quality.6

A 2013 meta-analysis of 19 placebo-controlled studies found that melatonin decreased sleep onset time, increases total sleep time and improves overall sleep quality.7

Furthermore in another review, researchers stated that melatonin is an effective alternative treatment to the current available pharmaceutical therapies for sleep disorders and it has significantly less side effects.8

Melatonin can also be used by shift workers who have difficulty falling asleep to improve sleep onset time and sleep quality as found in a 2016 study.9

Melatonin helps decrease the time it takes to fall asleep, increases time spent sleeping and increases sleep quality.

3. Promotes Eye Health

Melatonin has potent antioxidant properties. For instance, melatonin administration increases the production of key antioxidants such as glutathione peroxidase and superoxide dismutase. These antioxidants remove harmful reactive oxygen species from the bloodstream and inside cells.10

As a result of it’s potent antioxidant properties, researchers claim that melatonin could help treat age related macular degeneration.11

Melatonin has potent antioxidant properties and may help slow age related macular degeneration.

4. Seasonal Depression

Seasonal depression also known as seasonal effective disorder is related to changes in the seasons and is estimated to affect up to 10% of the worldwide population.12 Research indicates that seasonal depression could be caused by changes in a person’s sleep cycle as a result of seasonal light changes.13

In a 2006 study, changes in a person’s sleep cycle were shown contribute to seasonal depression. However taking melatonin before bed was effective a reducing the symptoms of seasonal depression.14

Melatonin may help reduce seasonal depression by improving sleep.

5. Growth Hormone

Human growth hormone is produced by the pituitary gland and is vital for cellular regeneration and healing.15

Two studies with male participants found that melatonin was effective at increasing human growth hormone levels.16,17

Melatonin has been shown to help elevate human growth hormone levels.


Melatonin is a great supplement that can help with sleep in addition to other benefits.*

We recommend Sleep Support by Beyond Vita®.  It includes the best science supported natural ingredients including melatonin.
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