Senna Leaves
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 |
|---|---|
| Senna | 1.35 g |
Certifications & Testing
Other Ingredients
Hypromellose
Recommended Use
Recommendation: Adults and children 12 years of age and older: Take 2-3 capsules with a full glass of water (8 ounces) at bedtime.
Warnings
Keep out of reach of children. Safety sealed with inner seal. Do not use if seal is broken or missing. Not recommended for children under 12 years of age. Do not take more than 2-3 capsules in a 24-hour period. Do not take longer than 7 days as frequent or prolonged use may result in dependence. Do not exceed recommended dosage. Not for long term use. Warning: Do not use when nausea or vomiting ar
Frequently Asked Questions
What is Nature's Way Senna Leaves's Formulate score?
Nature's Way Senna Leaves scores 82 out of 100 (grade A-) 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 Nature's Way Senna Leaves worth it?
Nature's Way Senna Leaves scores 82/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Nature's Way Senna Leaves?
Each serving contains Senna (1.35 g). Serving size: 3 Capsule(s). 33 servings per container.
How do I take senna leaves?
Recommendation: Adults and children 12 years of age and older: Take 2-3 capsules with a full glass of water (8 ounces) at bedtime.
Who makes Senna Leaves?
Senna Leaves is made by Nature's Way. See Formulate's full grade and product lineup for Nature's Way on its brand page.
Is Nature's Way Senna Leaves third-party tested?
Nature's Way lists the following certifications and testing for this product: Dairy-Free, Gluten-Free, Vegan, Vegetarian.
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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.