Smart Caffeine supplement bottle with a glass mug filled with capsules on a reflective surface.

Caffeine Without The Crash

I love this product. I work 12 hour night shifts. It delivers a focus and even energy throughout the night. It also has a calming serene effect on the brain at the same time.

Sandra F.

Verified Smart Caffeine® Customer

I love this product. I work 12 hour night shifts. It delivers a focus and even energy throughout the night. It also has a calming serene effect on the brain at the same time.

Sandra F.

Verified Smart Caffeine® Customer

Smart Caffeine®

Name: Smart Caffeine®
Brand: NaturalStacks.com
SKU: SMCAF-60
Price: 19.95 USD
Availability: InStock

4.8

Rated 4.8 out of 5 stars

189 Reviews

$14.96

Supports long-lasting energy and attention without jitters, anxiousness, or crash.*

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$19.95

Caffeine Without The Crash

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Key Ingredients

Green Coffee Beans

Supports a relaxed but alert state that is ideal for productive, focused activity - mental or physical.

L-Theanine

It has the potential to support relaxation and focus, helping to create a balanced and centered state of mind.*

Third-party testing

Open Source. Full Transparency.

Every batch is third-party tested to ensure purity, potency, and quality.

Verified ingredients and dosages—exactly as listed (no proprietary blends)
Tested for heavy metals, mold, yeast, and other harmful bacteria
Fully traceable ingredients from supplier to shelf
No artificial fillers or unnecessary additives

Complete Your Stack:

Smart Lion's Mane™

Support cognitive function, memory, focus, and mood.*

$19.96 $29.99

Deliver

View

Advanced Brain Health Support*

Smart Caffeine®

$14.96

4.8

Rated 4.8 out of 5 stars

189 Reviews

Smart Caffeine® Benefits

A Kick Of Energy That Coffee Can’t Match*

Get an extra jolt of energy to carry you through your day when you need it, even if you got little sleep last night.* (It’s smoother energy than what you feel after a coffee!)

No Jitters or Crashing

Smart Caffeine® includes L-Theanine to cut down the overstimulating effects of caffeine… giving you a smooth, sustained feeling of energy without the downsides.*

Doesn’t Disrupt Sleep At Night

Thanks to L-Theanine, Smart Caffeine® provides energy when you need it in the day, yet it doesn’t make it difficult to sleep at night*

Supplement bottle labeled 'Smart Caffeine' next to a glass mug filled with capsules on a reflective surface.

Boosts focus and makes it easier to ignore distractions during work*

Less checking your inbox every 5 minutes. More crushing your to-do list.*

Increases cognitive performance and mental alertness*

Get all the brain power you need to get it done.*

Scientifically Formulated Ingredients

Green Coffee Beans

Supports a relaxed but alert state that is ideal for productive, focused activity - mental or physical.

L-Theanine

Creates long-lasting energy and attention without jitters.

Supplement Facts Show All 2 Show Less

How To Use

What To Expect

How To Use

x30 servings

Each bottle of Smart Caffeine® contains 30 servings. Recommended serving is 1-2 capsules per day as needed.

Warning: If you are pregnant, nursing, or taking medications, consult a healthcare practitioner before use.

1-2 capsules/day as needed

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.

What To Expect

"This product works quickly and doesn't have a crash that I noticed."

- Derek L.

"Caffeine without the twitching and lasts longer then other brands"

- Pablo P.

"This product is great for caffeine consumption without the jitters. Gives a great boost to wake me up."

- Angela W.

Results You Can Feel. Lab Tests You Can See.

View 3rd Party Test results for The Current Batch

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™ on transparent, tamperproof, trusted data.

Learn More About Our Commitment to Transparency

Certified Open Source - Trademark. Full Label Disclosure