Alpha Brain Reviews 2023: Benefits, Side Effects & Really Work

Reviewed by Sutton, D., MD

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Onnit Alpha Brain
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  • Dietary supplement that helps support cognitive functions such as mental speed, focus, and memory.
  • Onnit aims to optimize the function of the human body by providing proper nutrition, supplementation, and fitness.
  • Promotes focus and supports memory
  • Does not contain caffeine
  • Promotes mental processing
  • Aids flow state
  • Gluten-free, dairy-free, paleo-friendly, and keto-friendly dietary supplement
  • Does not contain nuts

About The Brand

Micronutrients[1] including vitamins and minerals are integral to the function of the human body, both on physical and cognitive levels. Micronutrients that are in a close relationship with mental performance include calcium, magnesium, zinc, and water-soluble vitamins. The water-soluble vitamins include thiamine, riboflavin, niacin, pyridoxine, folic acid, pantothenic acid, and ascorbic acid.

Micronutrients influence cognitive performance, which comprises reasoning, concentration, learning, and memory. Micronutrients help create a healthy brain environment. Micronutrients mediate these functions by the following mechanisms.

  1. Vitamins B and C are involved in the production of neurotransmitters, steroids, amino acids, and biogenic amines. Nicotinamide, folate, vitamin C, riboflavin, pyridoxine, and cobalamin are required for the metabolism of noradrenaline and dopamine in the central nervous system (CNS). Micronutrients mediate optimal nervous system communication.
  2. Thiamine triphosphate, a metabolite of vitamin B1, helps maintain the transmembrane potential difference of the neuronal membrane. Pyridoxine or vitamin B6 modulates the binding of neurotransmitters with their receptors.
  3. Micronutrients also modulate the energy metabolism in the brain. Magnesium, as well as vitamin B complex, are essential cofactors associated with the citric acid cycle, respiratory chain, and glycogenolysis for degradation of glucose and production of energy as adenosine triphosphate (ATP).
  4. Micronutrient promotes cellular integrity in the central nervous system.

Deficiencies of micronutrients have a profound impact on cognitive performance. The micronutrients are stored in the body to a limited extent, therefore, decreased dietary intake and/or impaired uptake in the body, may lead to the deficiency of micronutrients in the human body. Dietary supplements are part of alternative and complementary medicine, which can help the body overcome these deficiencies.

In addition to micronutrients

Nootropics[2] are substances essential to the optimal functioning of the brain and play an important role in higher brain functions including memory, decision-making, and creativity. Ginseng root and bacopa are two naturally-derived ingredients that mediate cognitive enhancement including improved memory and attention. Flavonoids and omega-3 fatty acids also function as nootropics for promoting brain health and function.

The natural memory enhancers

Nootropics are nontoxic and highly neuroprotective substances. Nootropics increase the circulation of blood towards the brain, improve the function of the neurons, protect the brain and nerve cells against oxidative and free radical damage, provide precursor substances for neurotransmitter production, and supply the brain with usable energy.

This improves cognitive functioning and induces significant improvements in memory, and cognitive abilities, and promotes lasting mental clarity. Nootropics improve cognitive function and contribute to optimizing neural communication and promoting mental clarity to perform complex cognitive tasks.  This article provides a detailed review of Onnit Alpha Brain dietary supplements and helps decide individuals whether to buy Alpha Brain supplements.

Onnit works

Onnit works on the holistic philosophy of the spiritual, physical, and mental well-being of its users. It helps the users achieve their fully functional, cognitive, and physical potential. The main focus of Onnit is to help its users attain total human optimization. This is based on the interconnection between the spirit, mind, and body. Optimization and well-being in one domain help achieve the same in other domains.

The dietary supplements developed by Onnit contain efficacious ingredients, supported by research-based research, and provide the body with nutrients necessary for optimization. In addition to dietary supplements related to sports nutrition, the brand also offers fitness equipment to improve core strength and total stability of the body.

The Alpha Brain Collection by Onnit is based on the thinking and focus formula, which facilitates mental processing, and flow state, and promotes focus of the users.

What Is Onnit Alpha Brain?

Onnit Alpha Brain Collection is a set of supplements developed using the thinking and focus formula. This collection includes dietary supplements as capsules in addition to Alpha Brain Instant formulations and focus shots.

The collection is developed using natural and naturally-derived ingredients to promote cognitive performance. The Alpha Brain products including dietary supplements improve memory, cognitive processing speed, and focus.

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Onnit Alpha Brain

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Onnit Alpha Brain

  • Helps maintain a healthy gut
  • Both prebiotics and probiotics included
  • Science-backed ingredients
  • Supports weight loss
  • Reduces inflammation and promotes better digestion
  • Enhances cognition and focus

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Does It Really Work?

Onnit Alpha Brain dietary supplements include nootropics that enhance cognitive functions. Alpha Brain works by helping an individual react more promptly to stimuli, focus on sophisticated tasks, remember places and names, achieve mental clarity even when under stress, and eliminate brain fog.

Onnit Alpha Brain dietary nootropic supplements help the users get into the zone or enter into a flow state, characterized by an optimal level of consciousness. In this state, the brain produces more alpha waves that manifest as increased productivity and creativity.

Alpha Brain Onnit Ingredients

Ingredients present in the Onnit Alpha Brain nootropic brain boosting supplements include vitamin B6, Onnit Flow Blend, Onnit Focus Blend, Onnit Fuel Blend, and Cat’s Claw (bark) extract. Onnit Flow Blend contains L-tyrosine, phosphatidylserine, L-theanine, and oat (straw) extract. Onnit Fuel Blend comprises L-leucine and pterostilbene. Onnit Focus Blend is made of bacopa (aerial parts) extract, Huperzia serrara (aerial parts) extract, and L-alpha glycerylphosphorylcholine.

Alpha Brain Onnit Ingredients

The dietary supplements are available both as 30 ct and 90 ct, with the serving size being 2 capsules of Onnit Alpha Brain nootropic brain booster. The capsules are unflavored, caffeine-free, and GMO (genetically modified organisms) free. These capsules are suitable for individuals who opt for vegan, gluten-free, keto-friendly, paleo-friendly, dairy-free, and nut-free supplements. This helps the capsules to be usable by a significant percentage of the population.


The dietary supplements consist of a significant percentage of clinically tested nootropic ingredients in their Onnit Focus Blend. Vitamin B6 attributes to 10mg, Onnit Fuel Blend attributes to 60 mg, Onnit Flow Blend attributes to 650 mg, Onnit Focus Blend attributes to 240 mg, and Cat’s Claw extract attributes to 350 mg of each serving. 

Onnit Alpha Brain Supplements & Acetylcholine

Neurotransmitters that improve cognitive function include acetylcholine, the characteristic neurotransmitter of the parasympathetic nervous system. Alpha Brain supplements maintain optimal acetylcholine levels by preventing its degradation and increasing its availability with alpha GPC. 

Onnit Alpha Brain Review: What Do Real Users Say?

While some users speak in favor of the product and love Onnit Alpha Brain supplements, others do not recommend the supplements owing to negative side effects or lack of showing any effects at all. According to some users, the product is useful for improving short-term memory, recall, and focus. Gut-related symptoms and sickness are important side effects of Onnit Alpha Brain supplements, as stated by the users.

Alternatives To Onnit Alpha Brain

ProductMind Lab ProFocus Factor ReviewsPerformance Lab Mind
NameMind Lab ProFocus FactorPerformance Lab Mind
ProsThe product is non-GMO, vegan, and allergen-free
The product contains nootropics, which are backed by research
Offers worldwide shipping of the supplements
Improves recall and short-term memory
Promote verbal learning and enhance cognition
Improves attention
Offers both short-term and long-term benefits for cognitive performance
Promotes memory, focus, and attention
Neuroprotective properties that help protect the brain from damage
ConsHigher cost than other alternativesGut-related side effectsHigher cost than other alternatives
Full reviewMind Lab Review Focus Factor Review Performance Lab Review

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Health Benefits Of Onnit Alpha Brain

Onnit Alpha Brain supplements have a variety of benefits. The supplements support cognitive performance, improve response to stimuli, increase focus on complex tasks, and enable individuals to think more clearly. It helps the users attain the optimal level of consciousness and stimulates the brain to produce a greater amount of alpha waves. This leads to increased productivity and creativity.

Onnit Alpha Brain Side Effects

As suggested by users, the negative side effects of Onnit Alpha Brain supplements include nausea, vomiting, and intestinal discomfort.

How To Take Onnit Alpha Brain?

Individuals must consult their medical doctors before they purchase Alpha Brain supplements. The recommended serving size for taking Alpha Brain supplements is 2 capsules per day with a light meal, which shall not exceed before a 24-hour interval. The supplements are recommended for individuals who are 18 years old or older.

Onnit Alpha Brain Reviews

Onnit Alpha Brain

Onnit Alpha Brain

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  • Improves cognitive performance including attention, memory, and focus
  • Caffeine-free
  • Dairy-free
  • Gluten-free
  • Nut-free
  • Paleo-friendly
  • Keto-friendly
  • Increases alpha brain wave production
  • Non-GMO
  • Greater cost
  • Side effects include nausea and vomiting

According to users’ reviews on Amazon, the product is effective in improving memory, recall, and focus. Users report better recall of information when required, such as during exams. In contrast to other medications, Onnit Alpha Brain supplements do not lead to the occurrence of significant side effects. However, gut-related symptoms are observed by users when the supplements are taken without food.

However, some users have reported negative side effects including nausea and vomiting after consuming the dietary supplements. Some users also suggest that they do not observe any changes in their performance after the intake of these dietary supplements. 

Final Thought

Onnit Alpha Brain supplements are effective in improving cognitive function, by stimulating alpha brain waves. The supplements contain vitamins, nootropic substances, and other ingredients, which modulate a healthy brain environment.

Frequently Asked Questions

What is the recommended dose of Alpha Brain supplements?

The recommended serving size of Alpha Brain is 2 capsules each day.

Can children consume these supplements?

Only adults 18 years of age or greater can consume these supplements.

Does Onnit offer discounts?

Onnit offers discounts to first responders, teachers, medical professionals, law enforcement, and military personnel.

Should one consult his or her before taking supplements?

One should consult his or her medical doctor to discuss whether the supplements are right for health.

 What are the benefits of Alpha Brain supplements?

These supplements improve memory, focus, and attention.

What are the side effects of Alpha Brain supplements?

The side effects include nausea, vomiting, and intestinal discomfort.

Which waves are stimulated in response to Alpha Wave supplements?

Alpha brain waves are stimulated in response to these supplements.

Does Onnit offer products other than Alpha Brain supplements?

Onnit offers a wide range of nutrition supplements and fitness equipment.

+ 3 sources

MIDSS adheres to strict procurement guidelines and relies on peer-reviewed studies, academic research institutes, and medical associations. We work mainly with peer-reviewed studies to ensure the accuracy of the information. We avoid the use of tertiary references. You can read about how we ensure the accuracy and timeliness of our content in our editorial process.

  1. Huskisson, E., Maggini, S., & Ruf, M. (2007). The influence of micronutrients on cognitive function and performance. Journal of international medical research, 35(1), 1-19.
  2. Joshi Pranav, C. (2013). A review on natural memory enhancers (Nootropics). Unique Journal of Engineering and advanced sciences, 1(01), 8-18.
  3. Heid, M. A. R. K. H. A. M. (2019). Nootropics, or ‘smart drugs,’are gaining popularity. But should you take them? Time. com.


Bayer, R., MD
Medical Writer & Medical Doctor
Rick is a Final Year Medical Student. Passionate about medicine, fitness and personal growth, he is always ready to challenge himself to accomplish tasks and especially spread correct medical information to people. Rick is a long-term medical writer for several sites. With more than 5 years of experience in medical writing, he has completed 200+ projects with private and business clients.


Sutton, D., MD
Medical Writer & Editor
Drew is a retired ENT doctor who now lives in the Southeastern US. He was a member of the American Academy of Otolaryngology and a Fellow of the American College of Surgeons. He has a bachelor’s degree in Biology and Psychology and an MD degree. He completed his internship in General Surgery and Residency in Otolaryngology-Head and Neck Surgery and practiced for almost 30 years in all aspects of ENT, including a specialization in disorders of the ear and skull base. Drew is passionate about communicating his clinical experiences and making his knowledge more accessible to the general public by medical writing.

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