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Extra Strength Tranquil Sleep

Natural Factors Stress-Relax
4.5
(2443 ratings)
Theanine 200 mg
Melatonin 6 mg
5-HTP 15 mg
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Score92

Extra-strength 6 mg Melatonin chewables with Suntheanine for rapid and intensive sleep support.

How scoring works
Quantity:60 Tablet(s)(60 servings)
Goals:
Sleep Support
Stress Relief
Brain Health
Mood Support
Cognitive Support
Productivity Boost

Score 92

Extra-strength 6 mg Melatonin chewables with Suntheanine for rapid and intensive sleep support.

How scoring works
$34.97($0.58 per serving)
iHerb
$ 34.97
iHerb
$ 34.97
Amazon
$ 34.97
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Analysis

Branded Suntheanine L-Theanine and 6 mg of melatonin are combined to address the most significant barriers to sleep. A small 15 mg dose of 5-HTP is added for secondary support of the serotonin pathway.

Chewable tablet delivery may facilitate faster absorption, appearing well-aligned for those seeking more intensive nighttime assistance. High review scores reflect a reliable user experience for sleep cycle regulation.

Supporting both a quieted mind and the body's natural sleep signals is the core focus of this formula. Standardized ingredients ensure high purity and potency for consistent nightly results.

Who is it for
  • Users needing more melatonin for sleep onset
  • People with significant nightly mental chatter
  • Individuals who prefer chewable formats
Best for
  • Intensive sleep induction
  • Rapid nighttime relaxation
  • Managing disrupted sleep cycles

Pros

  • High 6 mg Melatonin dose
  • Includes patented Suntheanine
  • Fast-acting chewable format
  • No water needed

Cons

  • 6 mg Melatonin may cause grogginess in some
  • Very low 5-HTP dose (15 mg)
  • Contains minor sugar/carbohydrates

Warnings

  • Avoid use if you have to drive early next morning
  • Monitor for very vivid dreams

Nutrient quality

90 Highest impact

Standardized patented theanine ensures consistent quality and purity for the primary relaxation agent. Extra-strength dose of melatonin provides robust support for sleep induction in a rapid-release format.

Ingredient transparency

99 Highest impact

Labeling clearly identifies the specific amounts of all active agents and the use of patented ingredients. Straightforward serving guidance and ingredient disclosure allow for precise assessment of the extra-strength profile.

Customer satisfaction

92 Highest impact

High average ratings and a massive review count confirm strong consumer trust in the extra-strength chewable format. Feedback highlights the convenience and effectiveness of the formula for achieving restful sleep.

Value for money

83 Highest impact

Moderate pricing reflects the high-potency nature of the formulation and the use of patented ingredients. It offers good value for individuals seeking a robust and fast-acting sleep aid.

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Goals

Impact
Highest effect
A+ Goal FitA- Strength of SupportA CoverageA Formula Quality

Combining melatonin with L-theanine and 5-HTP addresses three major pathways of sleep regulation: circadian timing, mental relaxation, and hormone synthesis. A significant dose of 6 mg of melatonin may help reduce the time needed to fall asleep, especially for those with disrupted cycles.

Chewable tablet format allows for potentially faster absorption through oral membranes, appearing well-aligned for immediate nighttime use. Patented Suntheanine ensures a high standard of purity for the relaxation-promoting components.

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Impact
Highest effect
A Goal FitA Strength of SupportA- CoverageA Formula Quality

Extra-strength chewable tablets deliver 200 mg of L-Theanine and 6 mg of melatonin to support acute relaxation and sleep-wake cycle regulation. Patented Suntheanine® ensures high purity and potency for fostering a state of alert calm during periods of high pressure.

The integration of 5-HTP provides supportive serotonin precursors to complement the immediate effects of theanine. While the format includes minor carbohydrates, it offers a convenient and fast-acting alternative for maintaining emotional resilience.

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Impact
Highest effect
B Goal FitA- Strength of SupportB- CoverageA Formula Quality

L-Theanine and a robust dose of Melatonin support the sleep-wake cycles essential for cognitive restoration and neurological resilience. Suntheanine provides a high-purity source of the amino acid known for its ability to support a calm mental state.

5-HTP serves as a precursor to serotonin, further supporting the mood and sleep pathways that underpin daily brain function. A chewable format allows for convenient evening use as part of a long-term brain health strategy.

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Impact
High effect
B+ Goal FitC+ Strength of SupportB- CoverageA- Formula Quality

Utilizing a combination of L-theanine, melatonin, and 5-HTP supports a restful mental state, particularly in the context of nighttime recovery. The inclusion of 200mg of Suntheanine L-theanine provides a highly effective dose for fostering acute relaxation and calm brain wave activity.

Providing these actives in a chewable format allows for quick administration without water, though the dose of 5-HTP is very low compared to standard concentrations. The formula is primarily geared toward sleep-related mood support rather than general daily emotional resilience.

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Impact
High effect
D+ Goal FitA Strength of SupportD- CoverageB Formula Quality

Suntheanine L-Theanine provides high-quality support for a relaxed mental state and alpha brain wave activity. The formula also includes 5-HTP and a significant dose of Melatonin, prioritizing nighttime rest and recovery.

Chewable tablets offer a convenient format for individuals who prefer not to swallow capsules. While beneficial for long-term brain health through improved sleep, the high Melatonin content is specifically intended for evening use rather than daytime focus.

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Impact
High effect
C Goal FitA- Strength of SupportD CoverageC- Formula Quality

Suntheanine L-Theanine is featured in this blend to support a state of calm alertness and help manage cognitive stress. The use of a patented form ensures high purity and a standardized quantity of the active amino acid.

5-HTP and a higher dose of Melatonin are included to support rest and restoration after a demanding day. This formula emphasizes long-term productivity through high-quality sleep recovery rather than acute daytime stimulation.

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Impact
Lower effect
F Goal FitA- Strength of SupportF CoverageD- Formula Quality

Mental focus appears unlikely with this formula as it contains a high 6mg dose of melatonin, which is specifically designed for sleep induction. While L-theanine is present at a robust 200mg dose to provide calm, the overwhelming effect of this blend will likely be drowsiness rather than the clarity needed for attention.

Extra strength labeling refers to the higher melatonin content, further indicating a focus on rest and recovery. This product is clearly targeted for nighttime use and is not suitable for supporting daytime cognitive performance or productivity.

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Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s)
Suntheanine L-Theanine
200 mg
5-HTP (Griffonia simplicifolia)
15 mg
Melatonin
6 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Theanine · 200 mg OverallScore100
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Extra-strength chewable formula offers a significant serving of patented L-Theanine with 5-HTP and Melatonin. Higher Melatonin content makes this particularly focused on supporting nighttime sleep cycles.
Melatonin · 6 mg OverallScore63
C Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value
Higher concentration of melatonin in a chewable tablet helps with falling asleep more quickly. Transparent one-tablet serving simplifies the nightly routine.
C- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value
A chewable tablet format combines a low dose of 5-HTP with melatonin and L-theanine for sleep support. The formula is tailored for ease of use before bedtime.
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