Скачать или смотреть Vitamin D - Improve Cognitive Performance and Mood (but Don't Take Too Much)

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When someone tells you that getting sunlight is good for your health, they aren’t lying. The primary benefit of sunlight is vitamin D. Often referred to as “the sunlight vitamin”, it is currently one of the most underutilized nutritional supplements for cognitive and physical health.

The majority of people in the western world live in regions where sunlight is inconsistent during many months of the year. Because of this, supplementation (whether via fish products or pure vitamin D supplements) is often advised.

The benefits of vitamin D are plenty, but the brain is one of the biggest benefactors. Studies show increased cognitive abilities with adequate vitamin D, there is evidence vitamin D regulates serotonin and thus influences anxiety and depression.

Benefits of Vitamin D

The benefits of vitamin D range from enhancing cognitive performance to reducing neurological decline and even supporting healthier mood (reducing symptoms of anxiety and depression).

One animal study showed that long-term treatment of vitamin D could help slow the rate of decline in the hippocampus (where memories are stored) showing promising neuroprotective effects. This may be one of the correlations between vitamin D and neurodegenerative diseases, such as Alzheimer’s disease and Parkinson’s.

Some studies show that vitamin D supplementation could reduce symptoms of Alzheimer’s disease and there is an inverse relationship between serum vitamin D and risk of Alzheimer’s disease. The same inverse relationship exists with Parkinson’s disease.

Unfortunately, when adults were tested (who had sufficient vitamin D levels), the addition of 5000 IU of vitamin D failed to influence any cognitive indicators]. Therefore, some could conclude that vitamin D is a liability when one is deficient, but is not necessarily much of a cognitive asset in high quantities.

Of course, one of the main benefits of vitamin D is related to mood and particularly anxiety and depression. One study showed that depressed adults deficient in vitamin D were able to decrease symptoms by 42%. There seems to be ample evidence against this hypothesis as well, but recent research shows a potential mechanism for improved mood and reduced anxiety.

In a 2014 dated study, Dr. Rhonda Patrick showed that vitamin D is required for regulating serotonin. While her study focused on how this might help reduce symptoms of autism, it is nevertheless interesting given the context of mood and reduced anxiety.