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7 Signs and Symptoms You May Have a Vitamin D Deficiency

3. Impaired Immune System
If vitamin D levels become low, our immune system becomes inextricably affected. A high concentration of vitamin D receptors could be found in the immune cells, which is the area of the body that requires sufficient vitamin D supplementation. In a Japanese study that was published in the American Journal of Clinical Nutrition, to schoolchildren were given vitamin D supplements that were recorded fewer instances of the flu strain influenza A than those who didn’t receive supplements.
4. Sadness and Depression
A connection has been made between the sadness or depression and the low levels of vitamin D. A particularly interesting discovery involves the correlation concerning seasonal affective disorder (SAD), a seasonal depressive condition, and changing levels of vitamin D3. In a specific study, the participants were given D3 supplementation and they experienced enhanced positive effects and a reduction of negative effects – both cognitive and physical. The participants reported a meaningfully diminished presence of various symptoms, such as food craving, lethargy, hypersomnia, and sleep disturbances.
5. Hypertension
Hypertension or also known as high blood pressure very often occurs when our body’s levels of vitamin D are low. The body formulates a peptide that increases the blood pressure through arterial restriction and through water retention. Vitamin D serves as a countermeasure, suppressing this enzymatic reaction and reducing the body’s inappropriate and worsened response to this peptide, consequently normalizing the blood pressure levels.

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