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The Energy Stack

For Full-Body Vitality, and Clean Energy With No Crash
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Regular price $52.90 List price

$59.90

  • For Full-Body Vitality, and Clean Energy With No Crash
  • Perform Your Best All Day Long
  • Train Longer, Recover Faster

Perform Your Best With Non-Stimulant Energy All Day Long

MycoBOOST will help you train longer, recover faster, and strive for new goals.

Help your body improve oxygen utilization for increased stamina, endurance, and aerobic capacity.

Use MycoBOOST for more productive workouts and increased mental drive for any challenge that presents itself during your day.

MycoBOOST battles fatigue by enhancing energy at a cellular level.

Provides you with the endurance to battle through mentally and physically challenging tasks.

Use as a pre-workout, in the morning, or anytime you need a natural BOOST to complete any tasks.


Clean Energy Boost With No Crash

SmartCaffeine will give you long-lasting energy without the jitters, anxiety, or a crash.

People use SmartCaffeine every day as a study aid, pre-workout, coffee replacement or whenever they need a lift.

With just two all natural ingredients SmartCaffeine works with any diet.

Be attentive when you need to be with a clean energy state, perfect for creative or analytical work.

SmartCaffeine will put you into an alert yet calm state that's ideal for the productivity you need to accomplish your goals - mental or physical.

Add SmartCaffeine to your morning routine or anytime you need a boost to power through your day with heightened senses.


How It Works

MycoBOOST™ is designed to enhance intracellular energy, increase oxygenation, and sustain endurance activities.  

Research suggests that the natural compounds in MycoBOOST™ can support a busy lifestyle by maximizing ATP energy production and O2 utilization.

  • Increase stamina and endurance†
  • Boost physical and mental performance†
  • Enhance aerobic capacity†
  • Support cellular energy production†

This natural formula contains Organic Cordyceps mushroom extract and Yerba Mate extract to promote sustainable energy production and endurance.

Consistent with the rest of our Myco™ mushroom line, MycoBoost™ contains natural ingredients that work synergistically to showcase the unique benefits of medicinal mushrooms. 

Research suggests that Yerba Mate and Cordyceps can support a busy lifestyle by maximizing ATP energy production in the mitochondria and improve oxygen utilization. 

Collectively, these two ingredients work to increase energy production at the cellular level, enhance your body’s ability to use oxygen during activity, and support mental endurance during challenging tasks.

Cordyceps Mushroom

Cordyceps delivers powerful endurance boosting effects. Doses of 150-300 mg per kg of bodyweight of cordyceps given orally to rats increased the time it took for rats to become fatigued during a swimming test by 12.5%. [1]

These findings are supported by human experiments that showed Cordyceps increased lactic acid threshold by an average of 10.5% - thus enabling the exerciser to increase the intensity and duration of exercise. Researchers concluded that supplementing with cordyceps “improves exercise performance and might contribute to wellness in healthy older subjects.” [2]

A 2007 study in Hong Kong that examined traditional Chinese Herbs found that cordyceps does indeed increase ATP production. As they noted, “enhancing mitochondrial ATP generation preserves mitochondrial structural and functional integrity, thus retarding the aging process.” [3]

Aside from boosting exercise capacity, the high beta-glucan content of cordyceps helps it reduce fatigue, boost immune system function, increase antioxidant activity, and may even increase testosterone and libido in men. [4]

In a small pilot study, cordyceps was also shown to help support optimal glucose metabolism. [5]

Finally, cordyceps has been shown to “significantly attenuate the liver and heart injuries in Chronic Kidney Disease rats.” The same mechanisms of action - reversing elevated levels of inflammatory markers - “can also be used to elucidate the mechanisms of action of other traditional Chinese medicines.” [6]

Yerba Mate Extract

Yerba Mate, the dried leaves of the Ilex paraguariensis plant, contain several health promoting compounds, including saponins, polyphenols, and xanthines (caffeine and theobromine). These have been shown to increase metabolism, exhibit antioxidant properties, and support regular functioning of the body’s cells and tissues. Yerba Mate also contains 7 of the 9 essential amino acids. [7]

Theobromine is a phytochemical antioxidant (also found in real chocolate) that has been shown to boost nitric oxide and dilate blood vessels throughout the body and in the respiratory system. [8]. It has a slight stimulatory effect, about 1/10 the power of caffeine.

Together, the combination of caffeine and theobromine can provide enhanced alertness, boost mental performance, and improve sports performance by up to 5%. [9,10,11]

There are numerous anti-obesity benefits of Yerba Mate including reduced blood sugar levels, increased feelings of satiety, modulates leptin levels, and decreases adipogenesis (creation of fat cells). [12,13,14]

In fact, in a randomized, double-blind, placebo controlled human study, oral supplementation of Yerba Mate decreased body fat mass and percent body fat. [15]

A 2004 study concluded that the antioxidant powers of Yerba Mate are slightly higher than those of Green Tea. [16]

Yerba Mate has also been shown in several studies to reduce advanced glycation endproducts or AGEs. These has serious anti-aging and longevity promise. [17,18]

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.

The benefits include:

  • Increased focus and alertness

  • Improved cognitive function

  • Enhanced short-term memory retention

  • More ability to ignore distractions

  • No overstimulation

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

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 [14] that’s perfect for creative or analytical work. Best of all, there’s no jitters, no crash and no anxious feelings. [15]

Thousands of people use Smart Caffeine every day as a study aid, pre-workout, energy drink replacement or whenever they need a lift.

There have been many recent clinical trials conducted by various organizations proving that the combination of L-Theanine and Caffeine in our same 2:1 ratio increases the ability to focus without the over stimulating effects of Caffeine alone:

A recent study from The Netherlands confirmed that "The combination of L-Theanine and Caffeine improves the cognitive performance and increases subject alertness." and that the combination "helps to focus attention during a demanding cognitive task." [1]

The Cognitive Neurophysiology Laboratory in New York conducted testing for 4 days on volunteers from the age of 21 and 40 and found that L-Theanine and Caffeine in combination positively affect human cognition and caused measurable increases in alpha brain waves - the brain waves associated with alertness. [2]

A UK-based study published in Nutritional Neuroscience found that the combination of L-Theanine and caffeine improved both speed and accuracy of performance when switching between tasks (multi-tasking) and reduced susceptibility to distractions during a memory task. The researchers summarized: "These results replicate previous evidence which suggests that L-Theanine and caffeine in combination are beneficial for improving performance on cognitively demanding tasks." [3]

A Dutch study gave participants L-Theanine and caffeine in the same 2:1 ratio that Smart Caffeine contains, the asked the participants to complete 2 attention tasks at 10 and 60-minutes after ingestions. The researchers stated that "The results support previous evidence that L-theanine and caffeine in combination can improve attention." [4]

A review of multiple studies published by the School of Psychology in Australia concluded that "L-theanine may interact with caffeine to enhance performance in terms of attention switching and the ability to ignore distraction; this is likely to be reflective of higher-level cognitive activity." [5]

New research from Korea has shown the amino acid L-Theanine (commonly found in tea) inhibits the excitatory effects of caffeine (you'll be less jittery) and "low doses of L-theanine can partially reverse caffeine-induced reductions in Slow Wave Sleep (the transition from wakefulness to sleep); however, effects of L-theanine on caffeine-induced insomnia do not appear to increase dose-dependently."

L-Theanine can reduce jittery effects of caffeine and helps prevent sleeplessness caused by caffeine consumption. [6]

Another study from neuroscience labs here in the US found that L-Theanine in combination with caffeine had positive effects on both tonic (background) and phasic (event-related) cognition.

In this study, participants were dosed placebo, caffeine only and caffeine + L-Theanine. The participants that received the combination of caffeine + L-Theanine demonstrated significantly greater increases in mental performance than both the caffeine-only and the placebo groups. [7]

MycoBOOST™

MycoBOOST™ is designed to enhance intracellular energy, increase oxygenation, and sustain endurance activities.

Research suggests that the natural compounds in MycoBOOST™ can support a busy lifestyle by maximizing ATP energy production and O2 utilization.

Increase stamina and endurance†

Boost physical and mental performance†

Enhance aerobic capacity†

Support cellular energy production†

Learn More About MycoBOOST™
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.

Increased focus and alertness

Short-term memory support

No crash or jitters

Consistent, long-lasting energy

Learn More About Smart Caffeine®

Open Source

Most companies use "proprietary blends" so they don't have to tell you the amount of each ingredient in their formulas. At Natural Stacks we believe it's your right to know exactly what you're putting into your body. We proudly publish our innovative formulas and ingredient suppliers in an open source format.

Learn About Our Commitment To Transparency

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.

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Citations & References

1. Cordyceps sinensis. Biol Pharm Bull. 2003 May;26(5):691-4.

2.Chen S, Li Z, Krochmal R, Abrazado M, Kim W, Cooper CB. Effect of Cs-4®(Cordyceps sinensis) on Exercise Performance in Healthy Older Subjects: A Double-Blind, Placebo-Controlled Trial. Journal of Alternative and Complementary Medicine. 2010;16(5):585-590. doi:10.1089/acm.2009.0226.

3. Ko KM, Leung HY. Enhancement of ATP generation capacity, antioxidant activity and immunomodulatory activities by Chinese Yang and Yin tonifying herbs. Chinese Medicine. 2007;2:3. doi:10.1186/1749-8546-2-3.

4. Lin B, Li S. Cordyceps as an Herbal Drug. In: Benzie IFF, Wachtel-Galor S, editors. Herbal Medicine: Biomolecular and Clinical Aspects. 2nd edition. Boca Raton (FL): CRC Press/Taylor & Francis; 2011. Chapter 5. Available from: https://www.ncbi.nlm.nih.gov/b...

5. Professor Paul Leonard Greenhaff (Ph.D) . Pilot Study to Investigate the Changes in Metabolic and Physiological Parameters using Cordyceps sinensis supplementation (3 grams per day) in a double blind, randomized format.

6. Liu X. Cordyceps sinensis protects against liver and heart injuries in a rat model of chronic kidney disease: a metabolomic analysis. Acta Pharmacol Sin. 2014 May;35(5):697-706. doi: 10.1038/aps.2013.186. Epub 2014 Mar 17.

7. Heck CI. Yerba Mate Tea (Ilex paraguariensis): a comprehensive review on chemistry, health implications, and technological considerations. J Food Sci. 2007 Nov;72(9):R138-51.

8. Theobromine. Phytochemicals Database. http://www.phytochemicals.info...

9. Ruxton, C. H. S. (2008), The impact of caffeine on mood, cognitive function, performance and hydration: a review of benefits and risks. Nutrition Bulletin, 33: 15–25. doi:10.1111/j.1467-3010.2007.00665.x

10. Nehlig A. Caffeine and the central nervous system: mechanisms of action, biochemical, metabolic and psychostimulant effects. Brain Res Brain Res Rev. 1992 May-Aug;17(2):139-70.

11. Hodgson AB. The metabolic and performance effects of caffeine compared to coffee during endurance exercise. PLoS One. 2013;8(4):e59561. doi: 10.1371/journal.pone.0059561. Epub 2013 Apr 3.

12. Gambero A, Ribeiro ML. The Positive Effects of Yerba Maté (Ilex paraguariensis) in Obesity. Nutrients. 2015;7(2):730-750. doi:10.3390/nu7020730.

13. Kang YR. Anti-obesity and anti-diabetic effects of Yerba Mate (Ilex paraguariensis) in C57BL/6J mice fed a high-fat diet. Lab Anim Res. 2012 Mar;28(1):23-9. doi: 10.5625/lar.2012.28.1.23. Epub 2012 Mar 21.

14. Arçari DP. Anti-inflammatory effects of yerba maté extract (Ilex paraguariensis) ameliorate insulin resistance in mice with high fat diet-induced obesity. Mol Cell Endocrinol. 2011 Mar 30;335(2):110-5. doi: 10.1016/j.mce.2011.01.003.

15. Sun-Young Kim. Anti-obesity effects of Yerba Mate (Ilex Paraguariensis): a randomized, double-blind, placebo-controlled clinical trial. International Society for Complementary Medicine Research (ISCMR)201515:338. DOI: 10.1186/s12906-015-0859-1

16. Chandra S. Polyphenolic compounds, antioxidant capacity, and quinone reductase activity of an aqueous extract of Ardisia compressa in comparison to mate (Ilex paraguariensis) and green (Camellia sinensis) teas. J Agric Food Chem. 2004 Jun 2;52(11):3583-9.

17. Singh R. Advanced glycation end-products: a review. Diabetologia. 2001 Feb;44(2):129-46.

18. Lunceford N. Ilex paraguariensis extracts inhibit AGE formation more efficiently than green tea. Fitoterapia. 2005 Jul;76(5):419-27.

*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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