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Creatine supplementation improves memory in two weeks

If you suffer from normal and mild forms of memory loss, then you might benefit from supplementation with creatine. Creatine, available everywhere and dirt cheap, is best known as a supplement for bodybuilders, but it also stimulates the functioning of the brain cells involved in memory functions. This is evident from a humane study published by British scientists at the University of Chichester in 2007 in Aging, Neuropsychology, and Cognition.

The researchers divided 32 subjects with an average age of 76 years into 2 groups. For 2 weeks, one group took 4 doses of 5 grams of creatine daily. The subjects in the other group received a placebo.

After 1 and 2 weeks of supplementation, the subjects showed 10 photos of persons, with an indication of a profession. An hour later, the researchers gave the subjects 20 photos. The photographs that the subjects had seen before were included, and the subjects were asked to designate them.

For each photo that the subjects could identify, they got 1 point. If they also knew what the profession of the person in the photo was, they got 1 point extra.

After 2 weeks, the subjects in the creatine group scored higher than the subjects in the placebo group.

Creatine supplementation improves memory in two weeks

"The explanation for our data, so far proposed, has assumed that the effect of creatine supplementation is to make ATP resynthesis more efficient", the researchers write. "There is no doubt that elderly people require more energy, in order to carry out cognitive tasks, than do younger individuals."

"An alternative explanation is provided by the claim [...] that the positive effects of creatine supplementation are due to the fact that the presence of creatine improves mitochondrial membrane stimulation, intracellular handling, antioxidant mechanisms, and glutamate reuptake in synaptic vesicles, with a resultant neuroprotective effect on several chemicals in the brain, particularly dopamine and glutamate."

Creatine supplementation improves memory in two weeks
"Research with individuals with Parkinson's disease has shown that creatine supplementation has resulted in increased concentrations of brain dopamine. Similar research with Huntington's disease patients has demonstrated a lowering of glutamate concentrations suggesting greater reuptake by synaptic vesicles."

"This would aid cognition because dopamine is a neurotransmitter that plays a major role in working memory tasks, while glutamate is an excitatory neurotransmitter that at high levels can disrupt cognitive performance due to excitoxicity of neurons."

"In conclusion, we can say that creatine monohydrate supplementation had a beneficial effect on [...] the cognitive tasks used in this study", the researchers write. "It is possible that longer periods of loading would be more beneficial and aid even the complex central executive tasks."

Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 2007 Sep;14(5):517-28.

Creatine has a similar effect in your brain as in your muscles 25.12.2013
Creatine-Q10 combination protects brain cells and lengthens lifespan: animal study 15.07.2011
Creatine extends lifespan of mice by keeping their brains young 08.10.2008

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