1 You are tired or exhausted
The feelings of fatigue and exhaustion are often signs of deficiencies in certain nutrients.
Vitamins D stimulates the absorption capacity of calcium and phosphorus, a mineral, of the intestine by regulating their content in the blood.
Vitamine D also helps fight against fatigue and boost the immune system. Fewer, it becomes more difficult to be energetic.
It has been reported that vitamin D supplementation has allowed tired patients to get fit. This symptom may be a sign of vitamin D deficiency.
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