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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.

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

The benefits include:

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

$ 111 $ 84

In stock

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. Glen Cody

    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 take 2 capsules in the morning and 1 in the afternoon. The result? I am alert and ready to face each day.

  2. Darren Nelson

    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 felt a rush of energy for the whole afternoon that I have never felt before. It really no crash or jitters effect.

  3. Tarja William

    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

    Better than any regular caffeine out there.

  4. Robert Thomas

    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

    If I can give a 10-star review, I will surely do. These Natural Stacks never fail me nor disappoint me. I will surely buy it again!

  5. Angel Campbell

    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 replaced my twice in an afternoon cold brew habit for this single serving of the Smart Caffeine pill. No crashes at all.

  6. Ron Lewis

    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 highly recommend this to anyone. I feel much more alert and focused throughout the day on every pill in the morning.

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