L-Methionine
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 |
|---|---|
| Vitamin B662 systematic reviews · 142 randomised trials | 20 mg |
| L-Methionine6 systematic reviews · 27 randomised trials | 1000 mg |
Certifications & Testing
Other Ingredients
Hypromellose, Stearic Acid, Silicon Dioxide
Recommended Use
Suggested Usage: Take 2 capsules daily as needed, preferably on an empty stomach.
Warnings
Do not exceed the recommended daily dose. Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. L-Methionine may increase the blood levels of homocysteine in some individuals. Keep out of reach of children. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that
Frequently Asked Questions
What is NOW Foods L-Methionine's Formulate score?
NOW Foods L-Methionine scores 86 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 L-Methionine worth it?
NOW Foods L-Methionine scores 86/100 (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 L-Methionine?
Each serving contains Vitamin B6 (20 mg), L-Methionine (1000 mg). Serving size: 2 Veg Capsule(s). 50 servings per container.
How do I take l-methionine?
Suggested Usage: Take 2 capsules daily as needed, preferably on an empty stomach.
Who makes L-Methionine?
L-Methionine is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods L-Methionine third-party tested?
NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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