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(6 customer reviews)

Smart Caffeine®

Smart Caffeine is a highly effective combination of L-theanine and Caffeine. L-theanine is a natural amino acid found in green tea that removes the undesirable side effects of caffeine, creating long-lasting energy and attention without jitters, anxiety, or a crash.

The benefits include:

  • Increased focus and alertness
  • Improved cognitive function
  • Enhanced short-term memory retention
  • More ability to ignore distractions
  • No overstimulation

Smart Caffeine creates a relaxed yet alert state that is ideal for focusing and thinking clearly.

$ 111 $ 84

In stock

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Ingredients

Natural Caffeine (100 mg)

Caffeine is the world’s most popular natural cognitive enhancer. By using the purest form available, we are able maximize its positive effects on focus, alertness and energy.

L-Theanine from Green Tea (200 mg)

L-Theanine is a naturally occurring amino acid with benefits that include mental relaxation, reduced stress, improved working memory, enhanced learning and increased alpha brain wave activity.

Suggested Use

Take a serving of 1-2 capsules whenever focused energy is desired. Avoid use in the evening. Total daily dosage should not exceed 6 capsules.

SMART CAFFEINE™ can be taken daily, however we advise taking 1-2 days off per week (weekends for example).

U.S.A manufactured in a GMP facility. Natural Stacks proudly uses only the highest quality ingredients.

How It Works

Smart Caffeine is a natural nootropic stack made from coffee and green tea to support a relaxed but alert state that is ideal for productive, focused activity – mental or physical.

The energy and motivation from the Caffeine is harnessed and smoothed over with L-theanine. The result is a focused energy state with improved cognitive function that’s perfect for creative or analytical work. Best of all, there’s no jitters, no crash and no anxious feelings.

Thousands of people use Smart Caffeine every day as a study aid, pre-workout, energy drink replacement or whenever they need a lift.

6 reviews for Smart Caffeine®

  1. Rammi Baz

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    I use it on an as-needed basis. If I didn’t have a good night’s sleep, I’ll take this capsule and it helps to bring me up, such a crazy boost all day.

  2. Hadi Murphy

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    It increased my energy without any jitters.

  3. Ricardo Miller

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    This serves as my everyday charm. It makes me more focus and no bad side effects.

  4. Kailey Rahal

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    I’ve been using this Smart Caffeine for a number of years and it never brings me down. This is really a sustainable, non-jittery supplement.

  5. Regine Brooks

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    Nothing greatly noticeable but slightly. I take one pill every morning and I feel a little edge that I didn’t have before.

  6. Duaa Saliba

    What is a Verified Reviewer

    A Verified Reviewer is a shopper who has confirmed an email address, or connected a social network, providing an added level of transparency and trust.

    Reviewed by: Verified Buyer

    It brings me smooth energy and focuses and you can take it later on during the day but still able to sleep well at night. Thank you for this another great product!

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