Product answer
Most supplement evidence is ingredient-level, not proof that every finished product has the same result.
For Theanine 200, start with evidence for L-Theanine. Then check whether the product dose, form, and label match the ingredient studied in research.
Ingredient evidence: L-Theanine · Product-specific proof if available · Dose and form match to research
Brand, Product Name, Category, Dosage Form, Serving Size, Ingredient Links, Safety Structure
Price Per Serving, Availability, Servings Per Container, Label Warnings, Testing Claims
Check the current product label before buying or using this product.
Suggest an updateMost supplement evidence is ingredient-level, not proof that every finished product has the same result.
Theanine 200 is a Relaxation product from Jarrow Formulas. Label context includes Capsule, serving size 1 capsule, Price context: $0.31 per serving estimate at last check; retailer prices can change.
Connected ingredients: L-Theanine. Connected goals: Stress, Sleep.
Related question path
Start with the question that brought you here, then check the ingredient, the related concern, and the product list.
Results and fit can vary. Check the label and safety notes before choosing.
If you have tried this product, a short optional check-in can help make future comparisons more useful.
Share a quick check-in