Cognitune Nu Boost Capsules, Caffeine with L-Theanine, Rhodiola Rosea, Vitamin B12, Jitter-Free Energy, 60 Count

Key item features

  • Advanced Smooth Energy & Focus Supplement: Boost energy and alertness while maintaining calm with Nu Boost from CogniTune. Our unique L-Theanine caffeine blend works to promote smooth, sustained mental energy and focus throughout the day.
  • No Crash, Jitter-Free Natural Caffeine Pills: L-Theanine enhances cognitive function relaxation and reduces stress. When paired with caffeine, it neutralizes the negative side effects, eliminating the crash and jitters common with standard caffeine supplements.
  • Clean Energy Booster: Skip the empty calories, sugar, and energy drinks or coffee expenses. Nu Boost offers a clean energy alternative with caffeine anhydrous, Rhodiola rosea, Vitamin B12, L-Theanine, and BioPerine. This energy supplement helps eliminate brain fog and can be a supportive element in weight loss medicine routines.
  • Better Bioavailability & Absorption: These easy-to-swallow capsules are enhanced with BioPerine, a patented black pepper extract that improves nutrient availability and absorption, ensuring maximum benefit from each serving.
  • Outstanding Quality and Satisfaction Guarantee: Our 100mg caffeine pills are formulated in an FDA-registered facility following strict GMP standards. Non-GMO, gluten-free, soy-free, vegan-friendly, and third-party lab-tested, this dietary supplement is backed by a 60-day money-back guarantee. It is ideal for those seeking brain supplements for memory and focus because it supports your cognitive health and daily energy needs.
  • *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
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Customer ratings & reviews

4.3 out of 5 stars
stars63 ratings58 reviews
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Reviews summary

Pros

  • : Lasts throughout the day without fading.
  • : Provides sustained energy without stimulation.
  • : Provides energy throughout the day.
  • : Provides energy without causing jitters.

Neutral

  • : Provides a significant energy lift for some users, but fails to deliver for others.
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Showing 1-3 of 58 reviews

Oct 25, 2025
Amy
Top Reviewer
Sold byCOGNITUNEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

They work great

These pills aren't too big and they don't taste like anything. They're easy to take and they do the job. I don't feel like I have any kind of hangover when it wears off. And I don't get headaches or feel withdrawals when I don't take them.

Helpful?5A68S7ICOIF5572700177
Jul 1, 2025
Sara
Sold byCOGNITUNEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Honestly so IMPRESSED

Definitely gives me the boost I need to get the day started, no need for coffee or an energy drink that will cause a crash later on. Lasts throughout my 8 hour workday. I was very impressed with how well the NuBoost works. I have since purchased two more Cognitune products. The NuBoost, NuClarity, and Reservatrol have changed my life. I definitely recommend trying them.

Incentivized Review
Helpful?5A68S7ICOIF5572700177
Jul 3, 2025
cullen
Top Reviewer
Sold byCOGNITUNEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

sell for cheaper so i can buy more

I live off this stuff now... first it was Vivarin,,, then Smart Caffeine with L-Theanine, now Caffeine, rhodiola, L-THeanine... awesome

Incentivized Review
Helpful?5A68S7ICOIF5572700177