Tri-Amino
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 |
|---|---|
| L-Arginine57 systematic reviews · 327 randomised trials | 550 mg |
| L-Lysine6 systematic reviews · 19 randomised trials | 450 mg |
| L-Ornithine | 400 mg |
Certifications & Testing
Other Ingredients
Bovine Gelatin, Magnesium Stearate
Recommended Use
Suggested Usage: Take 2 capsules daily with juice or water. Take before exercise or at bedtime.
Warnings
Caution: For adults only. Not intended for individuals with history of coronary heart disease and/or myocardial infarction. Individuals with glaucoma or herpes simplex should avoid using this product unless directed by a physician. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Not manufactured with wheat, gluten, soy, milk, eg
Frequently Asked Questions
What is NOW Foods Tri-Amino's Formulate score?
NOW Foods Tri-Amino scores 81 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 NOW Foods Tri-Amino worth it?
NOW Foods Tri-Amino scores 81/100 (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 NOW Foods Tri-Amino?
Each serving contains L-Arginine (550 mg), L-Lysine (450 mg), L-Ornithine (400 mg). Serving size: 2 Capsule(s). 60 servings per container.
How do I take tri-amino?
Suggested Usage: Take 2 capsules daily with juice or water. Take before exercise or at bedtime.
Who makes Tri-Amino?
Tri-Amino is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods Tri-Amino third-party tested?
NOW Foods lists the following certifications and testing for this product: Gluten-Free, Dairy-Free.
Related Supplements
Track tri-amino 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 Tri-Amino 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.