What is Natural Factors Stress Relax Tranquil Sleep?

This review for Stress Relax Tranquil Sleep will help inform and advise customers on whether or not to purchase this product. Tranquil Sleep is designed as a chewable tablet that is meant to help users fall asleep quickly, stay asleep throughout the night, and wake up without feeling drowsy or sluggish.  Tranquil Sleep can be purchased through a number of websites, such as Amazon and iHerb.com.


Stress Relax Tranquil Sleep is formulated from all-natural ingredients. The three active ingredients include:

Suntheanine is used to help the body relax but does so without causing drowsiness. 5-Hydroxytryptophan decreases the amount of serotonin being produced, which helps the body go to sleep quicker. Melatonin is a hormone in the body that is responsible for falling and staying asleep.

Other ingredients in Tranquil Sleep include:

  • Organic cane juice
  • Stearic acid
  • Xylitol
  • Silica
  • Tropical fruit flavors
  • Citric acid
  • Vegetable grade magnesium stearate


Stress Relax Tranquil Sleep has extremely simple directions. Take two tablets at bedtime. There is no indication that children, people with medical conditions, or pregnant or nursing mothers, cannot take this supplement. However, it may be a good idea to seek a doctor’s recommendation before taking the supplement.

Store Tranquil Sleep in a dry and cool place. Do not use if the seal has been broken upon arrival.


The manufacturer offers bottles with 60 tablets, 90 tablets, 120 tablets, and 10 tablets. However, the manufacturer does not sell Tranquil Sleep directly from their website. Instead, customers can provide their location to find where Tranquil Sleep is sold near them. Therefore, not all these bottle options will be available in certain areas, or in certain stores.

Amazon offers a 60-tablet bottle for $22.37, and a 120-tablet bottle for $41.97. iHerb.com offers a 60-tablet bottle for $22.37, and vitaminshoppe.com offers a 60-tablet bottle for $24.90.

Possible Side Effects

There are no reported side effects associated with Tranquil Sleep. The manufacturer claims that the formula used to produce Tranquil Sleep eliminates the possibility of physical and mental side effects.

Manufacturer’s Commitment

The manufacturer does not advertise any guarantees. However, this may be because they do not sell the product directly from their site. They may offer money-back guarantees through the stores and websites they sell Stress Relax Tranquil Sleep through. The manufacturer does provide information about how their products are made on their website.

The Bottom Line

Stress Relax Tranquil Sleep seems like a decent product. It is formulated from natural and safe ingredients. According to the manufacturer, this eliminates the possibility of experiencing side effects. The price also seems decent. It may seem high compared to some other sleep medications, but Tranquil Sleep also contains more ingredients than other sleep medications.

Reviews for Tranquil Sleep are mostly positive. However, there a few reviews that reported a change in mood after taking the supplement. Others questioned the use of melatonin and reported that the supplement did not help them sleep better. Guarantees are only available through the stores and websites Tranquil Sleep is purchased from. This could mean some sellers will provide refunds, while others may not.

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