Customer reviews
Our store utilizes an external review verification system, ensuring that we publish authentic feedback exclusively from verified purchasers.
*We have already begun receiving appreciative feedback following the product's launch in late May 2026.
Expert Voices
We have also received endorsements from doctors and nutritionists.
Tsubasakai Medical Corporation, Koza-Shibuya Tsubasa Clinic
Dr. Tomoaki Takei, Director
Severe afternoon drowsiness and a lack of concentration are often caused by a lack of energy in the brain, triggered by "blood sugar spikes" (rapid fluctuations) resulting from carbohydrate-heavy meals or sugary snacks. Maintaining high performance requires daily carbohydrate control.
"BRAIN PRO" is not only free of refined sugar and limited to 5g of net carbs, but is also thoughtfully designed to provide an easy source of high-quality plant-based protein.
We highly recommend it as a "smart snack" for busy business professionals.
Anti-Aging Specialist / Manaka Hospital
Dr. Bunichi Nomura, Director
When we talk about anti-aging, we tend to focus on how our skin looks today. However, anti-aging medicine is less concerned with youthful appearance itself and more with the cumulative steps taken to age while maintaining optimal bodily functions. You could also call it making choices today with your future self ten years from now in mind.
Daily nutrition is the foundation of this. In particular, as you age, protein—the building block of your muscles and skin—is a nutrient you should consciously ensure you are getting enough of. At the same time, you want to be mindful about not consuming too many carbohydrates. Balancing these two goals is actually quite difficult.
"BRAIN PRO" is a protein bar designed primarily with plant-based ingredients, free from refined sugar and preservatives. Its thoughtful design is evident in how it combines plant-based protein and dietary fiber while keeping net carbs to just 5g.
For those who don't want to compromise on beauty or future health, I believe this is a product that is easy to incorporate into your daily routine as a snack.
Registered Dietitian / Food Consultant / Vegetable Sommelier
Tomoko Kamezaki, Registered Dietitian
From the perspective of a registered dietitian and food consultant, I was amazed by the simple and carefully selected ingredient profile of "BRAIN PRO." Convenient bars often rely heavily on additives and refined white sugar, but this product is plant-based and free from preservatives, artificial colors, and wheat. Furthermore, it uses naturally derived sweeteners like inulin and agave syrup instead of artificial ones. Because it is designed without relying on refined sugar, it serves as a "guilt-free source of nutrition" for those who refuse to compromise on quality. It is an easy choice for growing children and those mindful of their diet, and as a food professional, I can confidently recommend this protein bar.
Orthomolecular Nutrition Counselor
Shoko Masuda, Registered Dietitian
In our busy daily lives, choosing what we eat is a key factor in maintaining our daily condition and beauty routines.
"BRAIN PRO" is a protein bar designed primarily with plant-based ingredients, free from refined sugar and preservatives. Generally, high-sugar snacks can lead to post-meal drowsiness, but this product is formulated with a focus on carbohydrate content, combining plant-based protein and dietary fiber, which I feel makes it easy to incorporate as a snack or for nutritional supplementation.
Furthermore, the lion's mane mushroom included in the formula is a fungal ingredient that is being studied extensively, particularly overseas. In recent years, opportunities to use it as a food ingredient have increased alongside the rise in health consciousness.
From the perspective of orthomolecular medicine, it is important to choose foods while being mindful of raw materials and nutritional balance. Rather than denying yourself sweets, I believe this is a product that serves as an easy, accessible option for those who want to smartly incorporate foods that are mindful of their ingredients and nutritional design.
Physical Therapist / Personal Trainer
Maki Taneda, Trainer
To maintain high levels of concentration during long hours of desk work, proper posture and the muscles that support it (the foundation of the body) are essential. While high-quality protein supplementation is important for body conditioning as well, snacks high in carbohydrates and additives can lead to a decline in physical condition.
In that regard, "BRAIN PRO" keeps net carbs down to just 5g, making it an excellent snack for those times when you want to maintain your focus. Its 11g of plant-based protein is digested and absorbed slowly, providing long-lasting satiety, and I confidently recommend it as an item that reliably supports the minds and bodies of today's busy people.