Tranquil Sleep Chewable Tablets
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Suntheanine L-Theanine | 200 mg |
| 5-HTP25 randomised trials | 30 mg |
| Melatonin117 systematic reviews · 295 randomised trials | 3 mg |
Certifications & Testing
Other Ingredients
Cane Sugar, Stearic Acid, Xylitol, Silica, Natural source flavors, Citric Acid, Magnesium Stearate
Recommended Use
Suggested Usage: Chew 2 tablets at bedtime or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken.
Frequently Asked Questions
What is Natural Factors Tranquil Sleep Chewable Tablets's Formulate score?
Natural Factors Tranquil Sleep Chewable Tablets scores 79 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Natural Factors Tranquil Sleep Chewable Tablets worth it?
Natural Factors Tranquil Sleep Chewable Tablets scores 79/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Natural Factors Tranquil Sleep Chewable Tablets?
Each serving contains Suntheanine L-Theanine (200 mg), 5-HTP (30 mg), Melatonin (3 mg). Serving size: 2 Tablet(s). 30 servings per container.
How do I take tranquil sleep chewable tablets?
Suggested Usage: Chew 2 tablets at bedtime or as directed by a health professional.
Who makes Tranquil Sleep Chewable Tablets?
Tranquil Sleep Chewable Tablets is made by Natural Factors. See Formulate's full grade and product lineup for Natural Factors on its brand page.
Is Natural Factors Tranquil Sleep Chewable Tablets third-party tested?
Natural Factors lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.