Vitamin D is an essential nutrient that helps in calcium absorption, a bodily function necessary for strong bones and teeth. Unfortunately, a large cross section of the global population is suffering from vitamin D deficiency. Surprisingly, a lack of this vitamin is a phenomenon among people from the tropical zones as well where there is no dearth of sunlight. In such areas, the problem is exposure to sunlight.
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Vitamin D deficiency can lead to a loss of bone density, which can contribute to osteoporosis and fractures (broken bones). Severe vitamin D deficiency can also lead to other diseases. In children, it can cause rickets. Rickets is a rare disease that causes the bones to become soft and bend.
Vitamin D deficiency can result from inadequate exposure to sunlight; malabsorption; accelerated catabolism from certain medications; and, in infants, the minimal amount of vitamin D found in breast milk. In children, vitamin D deficiency can result in rickets, which presents as bowing of the legs; in adults, it results in osteomalacia, which presents as a poorly mineralized skeletal matrix.
The requirement varies, depending on the climate zone you belong to. Under the climatic conditions of India, the recommended daily allowance of vitamin D is 400-800 IU/day. However, some studies suggest that the figure should be between 1000-4000 IU/day. You need to watch out for the symptoms of vitamin D deficiency. While the most common manifestation is pain in the bone and muscles, there are other signals too, that you aren’t aware of.
You feel low
Vitamin D is responsible for the transformation of amino acid tryptophan into serotonin. Lack of this vitamin impedes the production of this neurotransmitter that controls your mood. Low levels of serotonin can make you feel low. This vitamin can also affect the function of neurotransmitters, dopamine and norepinephrine . A research published in the American Journal of Clinical Nutrition also found that women with higher vitamin D levels experienced reduced symptoms of depression.
Your fat retention is high
According to a study published in Medicine & Science in Sports & Exercise, lack of vitamin D can make you fat. The participants of this research were hockey players. Insufficient higher fat mass was found to be the manifestation of vitamin D in them.
You have a thinning mane
There could be numerous culprits behind your thinning hair. One of them could be an autoimmune disorder known as alopecia areata, suggest scientific studies. This condition, again, is associated with vitamin D deficiency. In fact, research indicates that inadequate vitamin D elevates your risk of developing alopecia areata.
You sweat a lot
Do you have a sweaty head? Experts are of the opinion that this may be a signal of low vitamin D. Otherwise, perspiration is a healthy process. It helps you get rid of toxins from the body.
You are always tired
Starting from anaemia to thyroid disorder, there could be myriad reasons behind fatigue. One of the culprits is vitamin D deficiency. Quite a few observational studies have revealed that women with low levels of this vitamin complain of persistent tiredness. Their condition, however, improves when their vitamin D intake increases.
You are drowsy forever Research suggests that low vitamin D levels can lead to sleepiness directly or by inducing pain. Pain in the bones and muscles are common among people with low vitamin D levels.
Your BP levels are high
According to the findings of some studies, high levels of 25-hydroxyvitamin D could bring down your risk of high blood pressure and therefore, hypertension. There’s also a group of studies that claim that vitamin D supplementation could prevent some cardiovascular diseases.