Guayusa
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 |
|---|---|
| Guayusa Leaf Extract | 400 mg |
Certifications & Testing
Other Ingredients
Pullulan, Maltodextrin
Recommended Use
Suggested use: Take 1 capsule, 2 times per day with liquid. Best taken between meals.
Warnings
Cautions: Monitor intake from all sources of caffeine and do not exceed a total of 400 mg caffeine per day (or 300 mg per day in pregnancy, 200 mg per day for nursing mothers). Don't use if lid seal is broken or missing. Cautions: Monitor intake from all sources of caffeine and do not exceed a total of 400 mg caffeine per day (or 300 mg per day in pregnancy, 200 mg per day for nursing mothers). Ke
Frequently Asked Questions
What is Herb Pharm Guayusa's Formulate score?
Herb Pharm Guayusa scores 64 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 Herb Pharm Guayusa worth it?
Herb Pharm Guayusa scores 64/100 (grade B-). That's a middling result — it has real shortcomings in dose, ingredient form, or transparency that pull it below stronger options in the same category. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Herb Pharm Guayusa?
Each serving contains Guayusa Leaf Extract (400 mg). Serving size: 1 Capsule(s). 60 servings per container.
How do I take guayusa?
Suggested use: Take 1 capsule, 2 times per day with liquid. Best taken between meals.
Who makes Guayusa?
Guayusa is made by Herb Pharm. See Formulate's full grade and product lineup for Herb Pharm on its brand page.
Is Herb Pharm Guayusa third-party tested?
Herb Pharm lists the following certifications and testing for this product: Vegan, Vegetarian, Dairy-Free.
Related Supplements
Track guayusa in your stack
Build a personalized supplement stack free in your browser — no install. Flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Is Guayusa right for your goals?
Two questions, then every ingredient graded against what you're actually trying to do — plus what it costs per effective dose.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
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.