L-Threonic Acid Magnesium Salt Enhances Cognitive Ability by Elevating Intraneuronal Magnesium

The Study

Researchers, led by Sun from the School of Medicine, investigated the effects of L-Threonic acid Magnesium salt (L-TAMS) on cognitive ability. The study used a combination of in vitro and in vivo experiments to explore the unique role of threonate in elevating intraneuronal magnesium concentration. While the exact sample size was not explicitly stated in the abstract, the study's findings shed light on the potential of L-TAMS to enhance learning and memory in both young and aging subjects.

The research methodology involved oral administration of L-TAMS to intact animals, as well as experiments with cultured hippocampal neurons and human neural stem cell-derived neurons. The study's results demonstrate the efficacy of L-TAMS in restoring global cognitive abilities, with a significant role played by the elevation of brain magnesium concentration.

What They Measured and What They Found

The primary outcome variables measured in the study included intracellular magnesium concentration, NR2B-containing NMDAR expression, mitochondrial membrane potential, and functional synapse density. The results showed that threonate treatment directly induced an increase in intracellular magnesium concentration, upregulated expression of NR2B-containing NMDAR, boosted mitochondrial membrane potential, and increased functional synapse density in neuronal cultures. These effects were found to be unique to threonate, with other common magnesium anions failing to produce the same results.

A comparison of the effects of threonate and other magnesium anions on intracellular magnesium concentration and functional synapse density is presented in the table below:

The Mechanism: Why It Works

The study found that threonate's effects were specifically mediated through glucose transporters (GLUTs). The elevation of brain magnesium concentration by oral administration of L-TAMS plays a significant role in mediating the therapeutic effects of L-TAMS. The researchers also discovered that threonate is naturally present in cerebrospinal fluid (CSF) and that oral treatment with L-TAMS elevated CSF threonate.

The mechanism by which threonate elevates intraneuronal magnesium concentration involves the upregulation of GLUTs, which in turn increases the transport of glucose and magnesium into the neuron. This leads to an increase in intracellular magnesium concentration, which is essential for the proper functioning of neurons and the formation of new synapses.

Practical Application Protocol

Based on the study's findings, a practical application protocol for healthy adults interested in optimizing their cognitive function could involve the following steps:

• Consult with a healthcare professional to determine the appropriate dosage and administration route of L-TAMS.


• Consider combining L-TAMS with other compounds that support cognitive function, such as omega-3 fatty acids and antioxidants.


• Engage in regular exercise and cognitive training to support the growth and development of new neurons and synapses.


• Monitor progress and adjust the protocol as needed to achieve optimal results.

Note that the study did not provide direct dosages, so any protocol would need to be extrapolated from the methodology and in consultation with a healthcare professional.

Study Limitations

The study had several limitations, including the lack of explicit information on the sample size and the use of animal models. Additionally, the study's findings may not be generalizable to all populations, and further research is needed to fully understand the effects of L-TAMS on human cognitive function.

Despite these limitations, the study provides valuable insights into the potential of L-TAMS to enhance cognitive ability and supports further research into the therapeutic effects of this compound.

Disclaimer: This article is for informational and educational purposes only. The information presented does not constitute medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before modifying your diet, supplementation, or exercise routines. The scientific studies cited reflect the state of knowledge at their publication date and may be subject to revision.