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Gammalon 250 mg - 100 tablets (gamalon, gamallon gammaaminoacid)

Product Code:
USD 37

What are Gammalon tablets?

Gammalon is a well-known and popular medicine in Japan and worldwide. Its active principle is a structured gamma-aminobutyric acid in a very high concentration, 250 mg in 1 tablet, 3000 mg in a daily adult dosage. Gammalon has been used in Japan since 1959 (under a different brand name at the beginning), it is officially certified in China, Brazil, Russia, NIS and Thailand. Official drug code in Japan is 2190004F1034.

Gammalon tablets are effective for the treatment of various aftereffects of head injuries, birth trauma in children and cerebrovascular events, encephalopathy and ADHD. This medicine improves memory, attention and productivity, speeds up recovery of speech and movement, normalizes sleeping, reduces dizziness and tinnitus. Gammalon is used to treat the symptoms of senile dementia and developmental problems in children. The medicine is safe, doesn't have any particular contraindications and almost no side effects. 

Is effect of Gammalon scientifically proven?

Gammalon is an officially certified medicine, with multiple clinical studies proving its effectiveness. It activates cerebral metabolism, improves brain neuro-connections and helps to treat various symptoms of head injuries, from birth trauma to stroke aftereffects. 

You can check the following articles by researchers from different countries upon the effectiveness of Gammalon:

  • Awapara J, et al.:J Biol Chem 1950;187(1):35-39.
  • Mori A:J Biochem 1958:45(12) :985-990.
  • Strasberg P, et al.:J Neurochem 1967;14(7):755-760
  • Garcia SC, et al.:Gen Pharmacol 1998;31(4):579-582
  • 三村悟郎.γ-アミノ酪酸(ガンマロン)の脳卒中後遺症に於ける使用経験//老年病 6 (4), 238-243, 1962-04
  • N. B. Mankovskii, V. G. Kostiuchenko, N. V. Penek. Effectiveness of gammalon and anticholinesterase preparations in the restorative and residual periods of ischemic stroke in old age // Article in Russian. Vrach Delo. 1976;(5):15-9.
  • Ewa Siucinska. Gamma-Aminobutyric acid in adult brain: an update // Behav Brain Res. 2019 Dec 30;376:112224. 
  • Dave J. Hayes, Bianca Jupp et al. Brain γ-aminobutyric acid: a neglected role in impulsivity // Eur J Neurosci. 2014 Jun;39(11):1921-32. 

Active principles: structured gamma-aminobutyric acid

Amount: 100 tablets

Maker: Daiichi Sankyo Co., Ltd., Alfresa Pharmaceutical Co., Ltd., Japan


  • aftereffects of head injury,
  • aftereffects of cerebrovascular events,
  • chronic headache and feeling of “heavy head”,
  • cerebral atherosclerosis,
  • tinnitus,
  • encephalopathy,
  • memory disturbance, 
  • sleep disturbance, 
  • decreased motivation,
  • decreased attention and cognitive function,
  • ADHD,
  • aftereffects of birth trauma in children,
  • symptoms of senile dementia,
  • developmental problems in children.

How to take

Adults: take 12 tablets (3000 mg of active principle) a day, dividing into 3 times, with water. 

Children 7-12 years old: 4 tablets 3 times a day. 

Children 4-6 years old: 8-12 tablets a day, dividing into 3 times. 

Children 1-3 years old: 4-8 tablets a duy, dividing into 2-3 times. 

Children under 1 year old: do not use. 

The recommended course duration is usually between 2 and 4 months.

Contraindications: do not use for breastfeeding women. Pregnant women should consult with their doctor before use. 

Important information

If an allergic reaction occurs, patient needs to stop using the medicine and consult with their doctor. If patient is taking any other medication or treatment, they should consult with their doctor in advance.

How to purchase genuine Gammalon?

You can purchase original Gammalon, made in Japan for Japanese market in our store at the best price. The price of 10 packages, which are intensive therapy for 2.5 month, is even lower. 

Please remember that the Ministry of Internal Affairs of Japan in 2017 reported that over 80% of Japanese drugs sold overseas are counterfeits from China and other Asian countries. Beware of the counterfeits and fakes. 

How can you ensure that Gammalon is authentic?


These are three key points that will assist you in identifying original Gammalon from Japan.

1. There must be OZA0181 LOT NUMBER and a Date "Best Before" (2024.1 January). These will expire in 2 to 3 years. It is provided directly by pharmacy so that you receive original Gammalon. There are also two codes: the above and below bar codes. These codes refer to the raw material lot or medical lot of the product.

2. Below is the front side of a genuine package (updated January 2022). If you push on the red sector, the box will open.

3. You can feel the edges of the black sector being pushed inwardly by pressing if you touch it with code

Only the original product must have all of the features listed in this article.

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