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Consumer Labs Award #1 melatonin

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Natrol® Stress & Anxiety DAY/NIGHT formula with Melatonin, 5-HTP and L-Theanine helps reduce the effects of stress and anxiety and establish normal sleep patterns to provide a more restful, relaxing sleep.†

Product Description

5-HTP (5-Hydroxytryptophan) is a drug-free and naturally occurring plant-derived amino acid that participates in the body’s synthesis of serotonin, the chemical messenger that plays a key role in enhancing mood. Natrol 5-HTP, is the #1 5-HTP brand in America,^ and promotes a calm and relaxed mood while helping you maintain a positive outlook.†

L-Theanine increases alpha waves in the brain that are associated with relaxation and calmness.†

Melatonin serves as the body’s biological clock, managing the sleep and wake cycles. Age, everyday stress and diet choices can take a toll on the body’s production of melatonin. Natrol Melatonin, the #1 melatonin brand in America,^ is helpful for occasional sleeplessness. It helps to establish normal sleep patterns to give you a more restful, relaxing sleep and in turn, better overall health.†

Stress & Anxiety Day Formula

The daytime formula with 5-HTP and vitamins B6, B12 and Folic Acid helps maintain emotional well-being while the amino acid L-Theanine ensures relaxation without making you drowsy.†

  • Promotes a calm and relaxed mood†
  • Promotes a more positive mood†
  • 50 mg 5-HTP participates in the body’s synthesis of serotonin†
  • 50 mg L-Theanine ensures calm relaxation†
  • 100% drug-free
  • Non-habit forming
  • 100% vegetarian
Stress & Anxiety Night Formula

The nighttime formula with Melatonin is a night time sleep aid that assists with occasional sleeplessness and helps to establish normal sleep patterns while protecting your body from oxidative stress.†

  • Melatonin helps you fall asleep faster, stay asleep longer and wake up feeling refreshed†
  • Valerian Extract helps with occasional anxiousness†
  • Antioxidant Vitamin E helps protect cells from oxidative stress†
  • Grape Seed Extract is an antioxidant†
  • L-glutamine is an amino acid which helps support your sleep†
  • 100% drug-free
  • Non-habit forming
Calm yourself and bring down stress and anxiety levels day and night. Go ahead, own your mood and sleep with the uniquely formulated Natrol Stress & Anxiety DAY/NIGHT.

Additional Information

Please consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.

Individual results may vary.

Product details

Consumer Lab
Drug Free
Free Of
Milk, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Wheat, Yeast, Artificial Colors or Flavors, Added Sugar or Preservatives
Key Ingredients
DAY: 5-HTP, L-Theanine, Vitamin B; NIGHT: Calcium, Grapeseed Extract, L-Glutamine, Melatonin, Valerian
Number of Servings
30 + 30
Serving Size
1 Tablet


Q: What is Natrol Stress & Anxiety DAY/NIGHT Formula?

A: Natrol Stress & Anxiety DAY/NIGHT Formula is a two formula combo package with clinically tested ingredients designed to calm you by day and night.†

Q: What is 5-HTP?

A: 5-HTP (5-Hydroxytryptophan) is a drug-free and naturally occurring plant-derived amino acid that participates in the body’s synthesis of serotonin. 5-HTP is the direct precursor to serotonin.†

Q: What is Melatonin?

A: Also known as the “sleep hormone,” melatonin is a naturally occurring hormone produced by the pineal gland in the brain. It regulates your sleep-wake cycle, telling your body when it’s time for sleep.

Q: What is L-Theanine?

A: L-Theanine is an amino acid found in green tea that help stimulate activity in the brain known as alpha waves, which are associated with a relaxed but alert mental state.

Q: Is there research to support the Stress & Anxiety DAY/NIGHT Formula claims?

A: Yes. Natrol Stress & Anxiety DAY/NIGHT formulas were designed to include ingredients that have been experimentally tested. The product claims are based on the supportive data from experimental and clinical studies.†

Q: Why is the Stress & Anxiety DAY/NIGHT Formula divided into DAY & NIGHT doses?

A: The Natrol Stress & Anxiety DAY/NIGHT formulas were designed to help you get the most out of your days and nights. To achieve this benefit, two separate formulas were needed. Natrol’s DAY FORMULA helps reduce anxiety and supports calm, focused, relaxed and positive mood with 5-HTP and B vitamins. The NIGHT FORMULA features Melatonin and L-Glutamine as well as Valerian and Grape Seed extracts. Scientific evidence suggests that ingredients in this formula may help reduce anxiety so you can fall asleep quickly and stay asleep longer. Powerful antioxidants help your body’s antioxidant system while you are sleeping.


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