Onnit Review: Products designed for total Human Optimization


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October 3, 2020

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What does it take to be the best version of yourself? What can you do to ensure that each day you’re improving your physical, mental, and spiritual wellbeing?

I came across the D2C health brand, Onnit, recently and immediately loved their mission, message, and a vast array of products. As someone who is always looking to level up in all aspects of my life, I resonate deeply with companies that are providing tools that allow for such growth and expansion.

In today’s article, I’m reviewing Onnit, a brand that provides supplements, foods, and fitness equipment that are designed to help you achieve a new level of well-being that they refer to as Total Human Optimization.

Are their products worth the investment? Do they work? I dug into the research and answered these questions for you and more in the below Onnit review.

What is Onnit?

Onnit is a health, wellness, and fitness brand that’s dedicated to providing products and plans to individuals who wish to optimize their life and performance. In their words:

“We are on a mission to empower as many individuals as possible with a holistic philosophy regarding physical, mental, and spiritual well-being. We believe that if people have access to the best tools and knowledge, they will be able to achieve their fullest human potential, leading to a global movement for the good of all.”

The company was founded in 2011 by Aubrey Marcus, a lifelong multisport athlete and New York Times Best Selling Author. Aubrey’s goal was to create a company that empowered customers to achieve their fullest human potential. Their flagship product was the supplement, Alpha BRAIN, a nootropic designed to support cognitive function.

Since its inception in 2011, Onnit has added a full line of supplements, nutritional products, fitness gear, and more.

What Products Do They Offer?

Onnit has one of the largest product lines I have seen in a fitness and nutrition brand. They have products ranging from nootropics and power foods to fitness equipment and apparel. Here’s a complete list of all the product categories they have to offer:


  • Focus + Brain
  • Mood + Sleep
  • Digestive Health
  • Support + Vitality
  • Essential Nutrients
  • Performance
  • Immune System
  • Goal-Based Collections


  • Fats + Oils
  • Snacking
  • Power foods
  • Protein
  • Coffee + Tea


  • Kettlebells
  • On-demand Training
  • Clubs + Maces
  • Bags + Balls
  • Ropes
  • Yoga Mats

Next, I’ll dive into specific product reviews on some of their top products.

Onnit Alpha Brain Review

Alpha BRAIN is a dietary supplement (nootropic) that helps to support cognitive function, including focus, memory, and mental speed. It has scientifically proven results, along with endorsements by dozens of professional athletes, performers, entrepreneurs, and more. This was Onnit’s first product, and to this day, it is still their most popular.

Alpha Brain works by helping your brain to make more alpha waves and by supporting the production of neurotransmitters, or chemicals that relay information to and from the brain. With it’s scientifically proven and trademarked blend, it helps to build an environment that’s conducive to your brain firing on all cylinders, giving you the focus and mental clarity you need to get stuff done.

Those who have used this nootropic describe feeling as they are in a “flow state” or are hyper-focused on the task at hand, which can be incredibly difficult to achieve when left to your own devices.

The following ingredients are found in Alpha Brain:
  • L-Tyrosine
  • L-Theanine
  • Oat straw extract
  • Vitamin B6
  • Phosphatidylserine
  • Cat’s Claw extract
  • Alpha-GPC
  • Bacopa Monnieri
  • Huperzine A
  • L-Leucine
  • Vinpocetine
  • Pterostilbene

This supplement is generally considered safe to use as it is made up of completely natural ingredients. In a study reported by NCBI (National Center for Biotechnology Information), they concluded that the use of Alpha Brain over the course of 6-week significantly improved recent verbal memory and executive functioning when compared to the control group.

Shroom TECH Sport

Shroom TECH Sport is designed to help the body with cellular energy and cardiovascular endurance. This supplement helps you to turn up the volume on your training, whether you’re new to the gym or a seasoned professional. Our bodies are limited by their own ability to produce ATP, the energy source for all movement. By improving your body’s capacity to produce energy, you allow your muscles to perform at a high intensity for longer periods of time.

The key ingredients in this product are:

  • Cordyceps Sinesis
  • Ashwagandha
  • Green tea extract
  • Rhodiola
  • Methyl B-12

The Shroom Tech formula was tested in a 12-week, double-blind, placebo-controlled clinical trial where the results showed a significant increase in performance in the test group.

Onnit New Mood

Onnit New Mood is designed to help you relax and unwind after a long day. It supports natural serotonin function and a healthy mood balance. It’s also formulated to promote daily calm and to assist with your daily mood and your ability to slow down and relax.

This product works by optimizing your serotonin levels which control your mood, happiness, and overall life outlook. Onnit combined the two raw building blocks of serotonin, L-tryptophan, and 5-HTP, with vitamin B6, a converting catalyst, to bring users a calming sensation all over.

Onnit describes this product as a “deep breath in a bottle.” It contains the following ingredients:

  • Chamomile flower
  • Valerian root
  • Lemon balm
  • Jujube seed
  • Vitamin B3
  • Vitamin B6
  • Magnesium
  • Tryptophan
  • 5-HTP

Onnit Protein

Another popular product line for Onnit is their protein selection. They have a full lineup of protein-based products that are designed to take your life and nutrition to the next level. Their protein options include:

  • Whey protein
  • Plant-based protein
  • Protein bars
  • Protein bites

Their protein is high-quality, low-calorie, and made from natural ingredients. It’s designed to help you optimize muscle growth and post-workout recovery. It’s also engineered to aid in body recomposition, enhance overall health, and help users achieve their optimal protein intake each day through healthy, sustainable sources.

Onnit customers rave about the flavor of their protein products. Both whey and plant-based options are formulated to be both healthy and delicious to consume, which is refreshing since it sometimes seems that you have to sacrifice one to have the other.

Onnit Reviews: What Are Online Customers Saying About This Health and Fitness Brand?

According to TrustPilot.com, there are 15,782 reviews of Onnit, with an average star-rating of 4.2 out of 5 stars. The majority of the reviews are highly complementary of the brand and their products, however, there are some users who have complained about the efficacy of their Alpha Brain product.

Some Alpha Brain customers state that they experienced unwanted side effects after taking the supplement, with headaches being the main complaint. All negative reviews were promptly addressed by Onnit, with a customer service representative replying and offering to make right the situation any way they can, while also explaining that nootropics are not for everyone and that it can take the body some time to get used to the effects.

That said, the vast majority of the reviews are from customers who overall love this brand and are loyal users, stating they have been able to optimize their performance and reach new heights thanks to the supplements that Onnit has brought to the market.

Final Thoughts

Overall, Onnit is a great D2C health brand. They are bringing unique, scientifically engineered, and proven products to the market, filling a much-needed gap in the performance market. Whether you’re an extreme athlete or a casual lifter, you can benefit from the performance-enhancing products and supplements offered by this brand. Even if you aren’t into fitness or sport, their nootropics are proven to increase mental clarity and focus, which is beneficial in all areas of life.

After researching this brand and getting to know their story, I am very impressed with what they offer as well as their mission. I love that all their products are highly tested and made from natural, proven ingredients. Lastly, they offer a no-nonsense money-back guarantee on all their products. If you don’t like it or it doesn’t work for you, you keep it and they refund your money - no questions asked! That’s the mark of a company that believes in their products and cares about their customers, which is something that we can all stand behind.

So whether you’re looking to enhance your mental performance, grab some unique gym equipment, or find a tasty, effective protein, you’ll find a great selection of high-quality products from Onnit.

About the author 

Tami Smith is an ACE certified fitness trainer, specializing in pre and post-natal fitness. She studied business at SUNY Cortland and earned her bachelor's degree in Business Economics. She is a mom of two and woman's health advocate. Her passion is to help people live a fit, healthy life!

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