Question 1

Is Swanson Vitamins L-Theanine good?

Accepted Answer

Swanson Vitamins L-Theanine received a A grade with a Suppie Score of 89/100. The product has an efficacy score of 82/100 and a low safety risk rating. Reliable 100 mg patented Suntheanine dose supports calm focus with strong evidence; only minor fillers used. Primary safety note is potential additive sedation with CNS depressants.

Question 2

What does L-Theanine do?

Accepted Answer

L-Theanine is designed to support acute stress, pre-sleep wind-down, caffeine jitters, exam/performance anxiety, generalized worry. Key benefits include: Anxiety, Stress, Focus. The product contains 4 active ingredients and has been evaluated for efficacy and safety.

Question 3

What are the side effects of Swanson Vitamins L-Theanine?

Accepted Answer

Potential side effects may include: Mild headache, Dizziness, GI upset (rare). The product has a low safety risk rating. Always consult your healthcare provider before starting any new supplement.

Question 4

What are the ingredients in Swanson Vitamins L-Theanine?

Accepted Answer

Swanson Vitamins L-Theanine contains 4 ingredients including: Suntheanine® L-Theanine, Brown rice flour, Hypromellose (vegetarian capsule), Magnesium stearate. The formulation analysis shows 3 items requiring attention. See the full report for complete ingredient details and dosages.

Question 5

Is Swanson Vitamins L-Theanine worth it?

Accepted Answer

With a Suppie Score of 89/100 and a A grade, Swanson Vitamins L-Theanine shows strong potential based on scientific research. Efficacy score: 82/100. Consider your specific health goals and consult with a healthcare professional to determine if this supplement is right for you.

Question 6

How effective is L-Theanine?

Accepted Answer

L-Theanine has an efficacy score of 82/100 based on scientific evidence. The product shows 4 documented benefits with varying strength of evidence. Key benefits include: Anxiety (four strength), Stress (four strength), Focus (three strength).

Swanson Vitamins - L-Theanine

L-Theanine

What Does L-Theanine Do?

What Are the Benefits of L-Theanine?

Good For:

What Are the Side Effects of Swanson Vitamins L-Theanine?

Overview

Potential Side Effects

Negative Interactions

Inactive Ingredients

What Are the Ingredients in Swanson Vitamins L-Theanine?

Sources & References

Frequently Asked Questions