Hupercyna A - jak wspiera pamięć i koncentrację?
6 min czytania

Huperzine A – how does it support memory and concentration?

Nowadays, many people struggle with memory problems. In recent years, there has been an increase in the incidence of Alzheimer's disease, especially among the elderly. Is there an effective remedy for this disease? As it turns out, huperzine A may help. Used for years in Chinese medicine, it is now surprising the scientific world with its rich, health-promoting properties that help improve memory and cognitive processes. What is worth knowing about it?

Huperzine A – what is it?

Huperzine A is an alkaloid, a substance extracted from the species Lycopodium, known in China as Huperzia serrata. This plant grows exclusively in Asia, more specifically in China. The alkaloid itself is also obtained from other species of Lycopodium, such as the Polish Lycopodium clavatum, also known as the stag's horn clubmoss. Huperzine A is recognised as a chemical substance with nootropic properties, i.e. it improves cognitive processes, especially memory, and has a number of properties that are effective in counteracting Alzheimer's disease. Huperzine A was first extracted in 1948. Currently, in Asia, North America and Europe, this substance is sold as a dietary supplement that improves memory and has a preventive effect on Alzheimer's disease.

Huperzine A and club moss – are they related?

Club moss, known in the scientific world as Lycopodium clavatum, belongs to the club moss family, as does Huperzia Serrata, found in China. Both plant species are characterised by a high content of huperzine A. Thanks to this, it is possible to obtain a natural source of the substance in Poland, as it commonly grows in lowland and mountainous areas throughout the country.

However, it should be remembered that huperzine A is isolated from club moss itself through various chemical processes, thanks to which supplements based on this plant offered in Poland are characterised by a high concentration of the active substance, thus actively participating in the improvement of cognitive processes and simultaneously counteracting the negative consequences of the development of Alzheimer's disease. Huperzine – how does it affect the human body?

How does huperzine A affect the human body? This alkaloid crosses the blood-brain barrier, thus reaching one of the most important organs in the human body. Huperzine A is also a reversible inhibitor of acetylcholinesterase. What does this mean?

Acetylcholinesterase is an extremely important enzyme that plays a key role in the central nervous system and is particularly important for the proper functioning of cognitive and thought processes. Huperzine A inhibits the binding of acetylcholinesterase to its receptors, thereby increasing the level of acetylcholine available in the body. By inhibiting the degradation of acetylcholine, it improves cognitive functions such as memory and brain performance. In addition, based on some scientific studies, it can be concluded that huperzine A provides some protection against nerve damage by acting as an antioxidant on the brain.

Huperzine – what are its properties?

The main properties of huperzine A include:

  • Anticonvulsant, anti-inflammatory and analgesic – huperzine A is the best known and strongest active ingredient in plants of the Lycopodium family. Thanks to its rich profile of activity, this alkaloid is believed to be able to reduce seizures in epilepsy, reduce inflammation in the body thanks to its antioxidant effect, and provide moderate pain relief for a variety of conditions.
  • Effectively improves memory and learning – huperzine A is successfully used in the treatment of diseases associated with cognitive and memory impairment caused by acetylcholine deficiency, such as Alzheimer's disease and dementia;
  • Has neuroprotective effects – this property is associated, among other things, with the substance's ability to regulate apoptotic proteins, protect mitochondria and reduce oxidative stress;
  • It helps protect the body against free radicals – the cells in our bodies use oxygen as energy to perform their work. Sometimes, when cells process oxygen, they release molecules called free radicals, causing, among other things, oxidative stress. This condition can damage the body's cells if not combated in time. Huperzine A has antioxidant properties, which means it can help remove harmful free radicals from the body.

Huperzine and memory – is it effective?

Huperzine A not only stops the breakdown of acetylcholine. It also promotes its surplus, thereby improving cognitive processes such as memory in people suffering from memory-related disorders, as well as in healthy individuals.

One study conducted on primary and secondary school pupils showed an increase in cognitive performance among the control group after taking two capsules containing huperzine A for four weeks. Other studies have also shown that taking huperzine A-based supplements for several weeks can improve memory in adults with visible cognitive changes.

Huperzine and concentration – does it improve focus?

Huperzine A has been scientifically proven to improve concentration in teenagers, as well as in adults and the elderly. This property is related to its effect at the cellular level. The mitochondria of brain cells play a key role in improving concentration. They can be called a kind of cellular power plant, the main source of energy that drives brain cells and improves brain function.

All neurons depend on energy production by mitochondria to do their job. Huperzine A supports healthy energy production in mitochondria, thereby increasing concentration. People who supplement with huperzine A become more alert and sharp.

This fact is also supported by various scientific studies. Some of them have shown that taking huperzine A up to twice a day for eight weeks significantly improves reaction time, task performance and concentration on the tasks at hand.

Huperzine A – appropriate dosage

Huperzine A is considered a well-tolerated compound with no serious side effects. No adverse effects have been observed in numerous studies conducted with the alkaloid. For this reason, huperzine A supplementation is safe, but as with any chemical substance, the most important thing is the correct dosage, which is measured in micrograms (µg/mcg) rather than milligrams.

Doses ranging from 200-300 µg up to twice a day seem to support cognitive function, memory and concentration. Thanks to its rich anti-inflammatory and antioxidant properties, huperzine A can be used before training or tasks requiring significant mental effort. It takes approximately 15 to 20 minutes after taking the supplement for the substance to enter the bloodstream and then the brain.

Adults and the elderly most often opt for doses of 500 to 800 µg orally twice a day for up to six months. Some studies also suggest that a dose of 800 µg in people with Alzheimer's disease was clinically the most effective in preventing the symptoms caused by the disease.

Bibliography

‘Role of the Mediterranean Diet in the Brain and Neurodegenerative Diseases’ – T. Farooqui, A. A. Farooqui, Elsevier, 2018.

‘Naturally Occurring Chemicals Against Alzheimer's Disease’ – T. Belwal, S. F. Nabavi, S. Shirooie, Elsevier, 2020.

Huperzine A from Huperzia serrata: a review of its sources, chemistry, pharmacology and toxicology – A. Ferreira et al., Phytochemistry Reviews scientific journal, Springer, 2014.

Huperzine A as a neuroprotective and antiepileptic drug: a review of preclinical research – U. Damar et al., scientific journal Expert Review of Neurotherapeutics, Taylor & Francis, 2016.

‘An update on huperzine A as a treatment for Alzheimer's disease’ – J. T Little, S. Walsh, P. S. Aisen, scientific journal Expert Opinion on Investigational Drugs, Taylor & Francis, 2008.

‘Huperzine A for Alzheimer's disease’ – J. Li et al., Cochrane Database of Systematic Reviews digital library, John Wiley & Sons, 2008.

‘Huperzine A in the Treatment of Alzheimer's Disease and Vascular Dementia: A Meta-Analysis’ – S-h. Xing, C-x. Zhu, R. Zhang, L. An, scientific journal Traditional Medicine for Treatment of Neurodegenerative Diseases, Hindawi, 2014.

‘Huperzine a attenuates mitochondrial dysfunction in β-amyloid-treated PC12 cells by reducing oxygen free radicals accumulation and improving mitochondrial energy metabolism’ – X. Gao, X. C. Tang, Journal of Neuroscience Research, John Wiley & Sons, 2006.

‘The NMDA receptor ion channel: a site for binding of huperzine A’ – R. K. Gordon et al., Journal of Applied Toxicology, John Wiley & Sons, 2001.

‘Pharmacokinetic behaviour of huperzine A in plasma and cerebrospinal fluid after intranasal administration in rats’ – Q. Wang, G. Chen, scientific journal Biopharmaceutics & Drug Disposition, John Wiley & Sons, 2009.

Back to blog

Leave a comment

Please note, comments need to be approved before they are published.

Continue from where you left off

Recently viewed