Caffeine and L-Theanine: Can You Take Them Together?

Work well together

Caffeine and L-Theanine are generally complementary — many people take them together. TAKE TOGETHER. 100-200mg L-theanine with 50-100mg caffeine for optimal focus.

What the evidence says

beneficialsynergy· strong evidence

Enhanced focus and alertness without anxiety or crash

L-theanine promotes alpha waves and GABA activity, counteracting caffeine jitters

What to do: TAKE TOGETHER. 100-200mg L-theanine with 50-100mg caffeine for optimal focus.

Caffeine

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L-Theanine

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Compare Caffeine vs L-Theanine Check your full stack

Related interactions

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Frequently asked questions

Can you take Caffeine and L-Theanine together?: Caffeine and L-Theanine are generally complementary — many people take them together. TAKE TOGETHER. 100-200mg L-theanine with 50-100mg caffeine for optimal focus.
Do Caffeine and L-Theanine interact?: Enhanced focus and alertness without anxiety or crash L-theanine promotes alpha waves and GABA activity, counteracting caffeine jitters
Should you separate Caffeine and L-Theanine?: TAKE TOGETHER. 100-200mg L-theanine with 50-100mg caffeine for optimal focus.

This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.