NEUROFUEL™ + Smart Caffeine® Stack

$66.95
Rated 4.8 out of 5
Based on 17 reviews

Deep focus, concentration and energy all-in-one.

The two Natural Stacks work in perfect synergy to give you enhanced focus, concentration and energy that lasts all day long.


The World’s First Open-Source Supplement Company

Natural Stacks “Open Source” transparency program provides ingredient traceability and 3rd party lab test results for every batch. It’s powered by blockchain technology and secured by HealthLoq™ for transparent, tamperproof, trusted data. 

LEARN ABOUT OUR COMMITMENT TO TRANSPARENCY

NEUROFUEL

(60 Capsules) is the world's first and only official CILTEP stack formulated by Abelard Lindsay. CILTEP is the healthy, natural way to stay focused, alert and motivated for hours. Learn more

Smart Caffeine (60 Capsules) eliminates the jitters or anxiety normally associated with caffeine use. By combining caffeine with L-theanine, the calming agent found in green tea, you're able to experience hours of focused energy. Learn more

The two Natural Stacks work extremely well in congruence with one another, but we recommend testing your tolerance with each first. 

NEUROFUEL™ - FOR A BETTER BRAIN

NEUROFUEL™ is the original CILTEP® formula for enhanced focus, deep concentration and improved memory. 

The premium natural ingredients work as fuel for your neurotransmitters, supporting greater signaling between brain cells. 

FEEL THE FUEL within 30 minutes of your first dose.

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.

Creates a relaxed yet alert state that is ideal for focusing and thinking clearly.

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.

Creates a relaxed yet alert state that is ideal for focusing and thinking clearly.

NEURO FUEL™ - INSTANT LEMONADE

The #1 patented natural brain formula is now available in fast acting, instant lemonade drink. 

Get enhanced focus, concentration and better memory with NEURO FUEL™ INSTANT LEMONADE.

The premium sourced ingredients work as fuel for your neurotransmitters, supporting greater signaling between brain cells. 

For best results: Mix one stick pack with six ounces of cold water and take on an empty stomach. 

Wait 30 minutes to FEEL THE FUEL!

100% Happiness Guarantee

If for whatever reason you're unsatisfied with your Natural Stacks supplements, you can keep the full bottle on us and we'll refund your money. Anything after the first bottle, we'll ask that you return for a refund.

average rating 4.8 out of 5
Based on 17 reviews
  • 5 Stars
    14 Reviews
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    3 Reviews
  • 3 Stars
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17 Reviews
Reviewed by Stephanie H., from United States
Verified Buyer
I recommend this product
My Age
45 - 54
I Use CILTEP For
  • Everyday
My Results
  • Increased Motivation
  • Improved Concentration
  • Improved Memory
Rated 5 out of 5
Review posted

Love the energy boost!

I love how CILTEP gives you a little boost of energy in the morning and since beginning on the Smart Caffeine I have not drank any energy drinks.

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Enhanced Concentration
Rated 5 out of 5
Increased Motivation
Rated 5 out of 5
Mood Elevation
Rated 5 out of 5
Increased Energy
Rated 5 out of 5
Improved Concentration
Rated 5 out of 5
Was this helpful?
Reviewed by Andrew Michael R., from United States
Verified Buyer
I recommend this product
My Age
18 - 24
My Regular Dosage
3 Capsules
I Use CILTEP For
  • Work
  • Gym
  • Sports
  • Study
My Results
  • Improved Concentration
  • Improved Memory
  • Increased Motivation
Results
  • Increased Energy
  • No Crash
  • No Jitters
Rated 5 out of 5
Review posted

Laser beam brain

This is my second time trying Natrual Stack’s CILTEP product and I am very pleased with my results. After about a week of using it, my focus and memory have expanded to allow me to remember things and give me patience throughout my work day. Highly recommend to anyone looking for a mental boost.

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Enhanced Concentration
Rated 5 out of 5
Increased Motivation
Rated 5 out of 5
Mood Elevation
Rated 4 out of 5
Increased Energy
Rated 4 out of 5
Improved Concentration
Rated 5 out of 5
Was this helpful?
Reviewed by Josephine T., from United States
Verified Buyer
I recommend this product
My Age
35 - 44
My Regular Dosage
3 Capsules
I Use CILTEP For
  • Work
  • Everyday
  • Study
My Results
  • Improved Concentration
  • Improved Memory
  • Increased Motivation
  • Elevated Mood
  • Better Sleep
Results
  • No Crash
  • Increased Energy
  • No Jitters
Rated 5 out of 5
Review posted

The best combo!

My favorite go to each day for focus and steady energy to conquer! Thanks!

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Enhanced Concentration
Rated 5 out of 5
Increased Motivation
Rated 5 out of 5
Mood Elevation
Rated 4 out of 5
Increased Energy
Rated 5 out of 5
Improved Concentration
Rated 5 out of 5
Was this helpful?
Reviewed by Jeremy, from United States
Verified Buyer
I recommend this product
My Age
35 - 44
My Regular Dosage
3 Capsules
I Use CILTEP For
  • Everyday
My Results
  • Improved Concentration
Results
  • Increased Energy
  • No Crash
  • No Jitters
Rated 4 out of 5
Review posted

CILTEP has a noticeable effect

I don't use the Smart Caffeine (I got the bundle as part of a special deal), but I can say the CILTEP definitely works. I notice I'm more in control of my concentration and able to filter out distractions, and put my thoughts into words better. It lasts all day but doesn't interfere with sleep at all, in fact sleep has been better lately. There's no up-and-down crash like with caffeine. Overall it's pretty subtle but noticeable.

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Enhanced Concentration
Rated 5 out of 5
Increased Motivation
Rated 3 out of 5
Mood Elevation
Rated 3 out of 5
Increased Energy
Rated 3 out of 5
Improved Concentration
Rated 5 out of 5
Was this helpful?

www.naturalstacks.com.au

Thanks, Jeremy! We're glad to hear that CILTEP has not only helped in enhancing your level of concentration but in getting a restful sleep as well!

Reviewed by Ian W., from United States
Verified Buyer
I recommend this product
My Age
55 - 64
My Regular Dosage
3 Capsules
I Use CILTEP For
  • Work
  • Study
My Results
  • Improved Concentration
  • Increased Motivation
Results
  • No Jitters
  • No Crash
  • Increased Energy
Rated 4 out of 5
Review posted

The Best of all the performance enhancer I have tried

It’s just the best, I seem to be able to do deep thinking without trying. My verbal communication is better when I take Ciltep the words flow without a any hesitation.

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Enhanced Concentration
Rated 5 out of 5
Increased Motivation
Rated 4 out of 5
Mood Elevation
Rated 4 out of 5
Increased Energy
Rated 4 out of 5
Improved Concentration
Rated 5 out of 5
Was this helpful?