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  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea
  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea
  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea
  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea
  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea
  • Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea

NATURAL STACKS

Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea

NATURAL STACKS

Natural Stacks Smart Caffeine Supplement 60ct - Instant Energy and Focus for Life School & Work - No Jitters and No Crash - Premium Sourced 100mg Caffeine from Coffee + 200mg L-Theanine from Green Tea

¥10,204 ¥6,122 Save: (40.0%)
¥6,122 ¥10,204 Save ¥4,082 (40.0%)
Delivery Time: 12-18 days

Quantity:

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Delivery Time: 12-18 days

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Product price is exclusive of such duties.

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Product Description Product Description
  • ????ALERT FOCUS AND PRODUCTIVITY: Take this Smart Caffeine Supplement with L-theanine for when you need alert focus and long lasting energy. We blended 100 mg of the purest form of Natural Caffeine with 200mg mg of L-Theanine from Green Tea to get the best of both worlds.
  • ???? NO JITTERS OR CAFFEINE CRASH: Unlike the 200mg caffeine pills that make you jittery and anxious, Smart Caffeine is a calm and smooth energy pill. No more staying up late, wired up from your last cup of coffee too many.
  • ?? START YOUR DAY OFF STRONG: Add Smart Caffeine to your morning routine or anytime of day as a study aid, pre-workout or whenever your energy needs a lift. Perfect as a coffee or energy drink replacement.
  • ????HEALTHY AND SAFE: Our all natural ingredients are Non-GMO, gluten free, and vegan. Every ingredient can be traced directly to trusted suppliers.
  • Natural Stacks has earned the trust of thousands of customers with our innovative blends and open source transparency program. No more proprietary blends, we believe in optimizing your performance without compromising on ingredient quality.
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Reviews See all reviews

Customer Reviews

Amazing supplement, higher quality than competitorsWow. Amazing supplement. I love that the L-Theanine is mixed right in with the caffeine for the clean and jitter-free energy in the perfect dose. I've gotten to where I prefer taking this over a cup of coffee in the morning. It is super convenient, and works perfectly. I was taking caffeine and l-theanine seperately, but this is more cost effective and seems to have better results in terms of avoiding any of the bad anxiety that cheap-o brand caffeine pills give me (even when taking L-Theanine separately). This product is a fixture on my desk to get my work day going, I cannot recommend it enough.5SMART CAFFEINE > StarbucksIncredible the boost of energy that never fails! Best investment of $20, don t hesitate try it for your self and see actual result not like the countless caramel macchiato s at Starbucks...5Pure alertness and focus all dayThe best you can buy! Natural Stacks is one of the only supplement brands I trust. They are 100% transparent and source only the top ingredients. This formula includes L-theanine. Normally with caffeine I will get heart palpitations and agitation but with L-theanine I get none of the tremors and just pure alertness and focus all day.5Great ProductCurrently trudging my way through grad school while working, and often find myself with low energy and unable to focus. Must be the lack of sleep huh? Wrong. Despite being extremely busy, I usually average about 6-8 hours of sleep per night, the exact same amount I had before I went back to grad school. Because of this, I figured I would get something relatively natural and low impact to help increase my energy and focus. I opted for this particular brand because the reviews were pretty good, the packaging and marketing looked rather legit ( I know this may seem like a crazy thing to go off of, but with vitamins if they look like they belong in an infomercial, I feel nervous.) and the price was right. I got them in the mail, and within a week I noticed that I had increased energy, and after two weeks I saw that it was even more intensified. With that said, I still hadn t seen any improvement in focus, so I decided to stack (new supplement lingo I learned from a guy at a health foods store) another supplement, called NootropX - 90 caps - Mental Focus and Concentration Supplement With Memory Enhancement For Extreme Clarity and Alertness - Instant Brain and Memory Power Boost From Patented AES Absorption System - The Ultimate Brain Vitamins which is a little bit more geared towards the focus aspect I was looking for. After two weeks of taking both of those, I noticed that I was performing better at school and work, and I had the energy to do even more than I had hoped for. My work was coming out better, as I had been able to focus more. I definitely recommend this supplement to anyone who is looking for an energy boost, and even though it didn t give me a boost in focus, it s still a great product and since everyone s body is different it may work for you!5Immediate Effect, Sustained Energy, Incredible Customer-ServiceI recently bought this product because I wanted a supplement that would give an immediate effect when I took it. This product did not disappoint. After reading the reviews, I got overly excited and took a pill just to see what effect it would give me. What I experienced was a sustained energy release coupled with an increase in concentration in the task-at-hand. I have bought this product twice, one on Amazon and the other one in the Natural Stacks website, the company that makes the product. Their customer service was great and fast in answering any question that I had regarding the product's ingredients. I've taken other similar products with Caffeine+L-Theanine, but this one's ratio of the two ingredients has worked the best for me.5Literally did nothing for me...I have no idea what is in these pills because they didn't do anything for me. I drink two cups of coffee in the morning daily but I'm not a caffeine addict. I gave them to my friend, she said they worked for her so .... I have no idea but I wanted to say, they didn't do a thing for me for some reason.1Quality caffeineI love natural stacks. I wanted a clean source of caffeine and found it! I m not highly sensitive to caffeine but I can feel it help sustain me through the workday if I need it. Not jitters, no heart race, no crash. I highly recommend any of natural stacks products as I ve found them to be quite effective and clean.5Great productI love it I been having a hard time lately trying to focus and my energy levels been really low I have white blood cells that are low all the time in my body so it makes me tired but I took these the first day I got them and I could feel a difference right away!An Amazon got the product to me quickly within 2 days and no hassle and I could track the package great prices and I would definitely buy this product again5Worked great. The last time I bought these they tasted ...I bought these pills three times. Worked great. The last time I bought these they tasted like garlic. These are not the same pill. Kind of scary. Is there Quality control there?1I ve tried different caffeine/L-Theanine ratios and Smart Caffeine has the most common ratio and turns out ...Definitely gets the job done. As a 911 dispatcher, I can fully depend on this for energy without the jitters. I ve tried different caffeine/L-Theanine ratios and Smart Caffeine has the most common ratio and turns out it s perfect for me. The fact that I don t have to stack multiple capsules saves me valuable time while in the hot seat.5
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