GABAplex with L-Tyrosine & L-Theanine
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 |
|---|---|
| Gamma Amino Butyric Acid | 250 mg |
| L-Glycine | 250 mg |
| L-Tyrosine41 systematic reviews · 516 randomised trials | 100 mg |
| Taurine29 systematic reviews · 125 randomised trials | 100 mg |
| L-Theanine5 systematic reviews · 18 randomised trials | 50 mg |
| Bioperine Nature's Thermonutrient | 5 mg |
Certifications & Testing
Other Ingredients
Hypromellose, Magnesium Stearate, Rice Flour, Rice Concentrate, Silica
Recommended Use
Suggested use: As a dietary supplement, take one veggie capsule one to two times per day with water.
Warnings
Warning: For adults only. Keep out of reach of children. Consult your physician before using this or any product if you are pregnant or nursing, taking medication or have a medical condition. Do not use if seal is broken.
Frequently Asked Questions
What is Swanson GABAplex with L-Tyrosine & L-Theanine's Formulate score?
Swanson GABAplex with L-Tyrosine & L-Theanine scores 84 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 Swanson GABAplex with L-Tyrosine & L-Theanine worth it?
Swanson GABAplex with L-Tyrosine & L-Theanine scores 84/100 (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 Swanson GABAplex with L-Tyrosine & L-Theanine?
Each serving contains Gamma Amino Butyric Acid (250 mg), L-Glycine (250 mg), L-Tyrosine (100 mg), Taurine (100 mg), and more. Serving size: 1 Veggie Capsule(s). 60 servings per container.
How do I take gabaplex with l-tyrosine & l-theanine?
Suggested use: As a dietary supplement, take one veggie capsule one to two times per day with water.
Who makes GABAplex with L-Tyrosine & L-Theanine?
GABAplex with L-Tyrosine & L-Theanine is made by Swanson. See Formulate's full grade and product lineup for Swanson on its brand page.
Is Swanson GABAplex with L-Tyrosine & L-Theanine third-party tested?
Swanson lists the following certifications and testing for this product: Vegan.
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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.