If you’re looking for a supplement to take to improve your focus and concentration, then you may have come across l-theanine. L-theanine is an amino acid that’s found in tea leaves, and it’s often praised for its ability to promote relaxation without causing drowsiness. In this article, we’ll be taking a look at the top 5 l-theanine supplements on Amazon, and comparing their features and prices.

1. NOW Supplements, L-Theanine 200 mg with Suntheanine, Double Strength, 60 Veg Capsules

2. Zenwise Health, L-Theanine & Ashwagandha, Natural Stress Relief & Mood Support, 60 Veggie Caps

3. Jarrow Formulas, Theanine 100, Supports Relaxation & Sleep, 200 mg, 60 Veggie Caps

4. Life Extension, L-Theanine 100 mg, 60 vegetarian capsules

5. NutraBio, L-Theanine 100mg, 60 Capsules

These are all great options if you’re looking for a high-quality l-theanine supplement. They all provide 200 mg of l-theanine per serving, which is the recommended dosage for adults. They’re all also vegetarian and vegan friendly, and they’re all manufactured in GMP certified facilities.

Now let’s take a more in-depth look at each of these supplements.

1. NOW Supplements, L-Theanine 200 mg with Suntheanine, Double Strength, 60 Veg Capsules

This supplement from NOW Supplements is a great option if you’re looking for a high-quality l-theanine supplement. It contains 200 mg of l-theanine per serving, which is the recommended dosage for adults. It’s also vegetarian and vegan friendly, and it’s manufactured in a GMP certified facility.

2. Zenwise Health, L-Theanine & Ashwagandha, Natural Stress Relief & Mood Support, 60 Veggie Caps

This supplement from Zenwise Health is a great option if you’re looking for a high-quality l-theanine supplement. It contains 200 mg of l-theanine per serving, which is the recommended dosage for adults. It’s also vegetarian and vegan friendly, and it’s manufactured in a GMP certified facility.

3. Jarrow Formulas, Theanine 100, Supports Relaxation & Sleep, 200 mg, 60 Veggie Caps

This supplement from Jarrow Formulas is a great option if you’re looking for a high-quality l-theanine supplement. It contains 200 mg of l-theanine per serving, which is the recommended dosage for adults. It’s also vegetarian and vegan friendly, and it’s manufactured in a GMP certified facility.

4. Life Extension, L-Theanine 100 mg, 60 vegetarian capsules

This supplement from Life Extension is a great option if you’re looking for a high-quality l-theanine supplement. It contains 100 mg of l-theanine per serving, which is the recommended dosage for adults. It’s also vegetarian and vegan friendly, and it’s manufactured in a GMP certified facility.

5. NutraBio, L-Theanine 100mg, 60 Capsules

This supplement from NutraBio is a great option if you’re looking for a high-quality l-theanine supplement. It contains 100 mg of l-theanine per serving, which is the recommended dosage for adults. It’s also vegetarian and vegan friendly, and it’s manufactured in a GMP certified facility.

Conclusion

If you’re looking for a high-quality l-theanine supplement, then any of the options on this list would be a great choice. They all provide 200 mg of l-theanine per serving, which is the recommended dosage for adults. They’re all also vegetarian and vegan friendly, and they’re all manufactured in GMP certified facilities.