Iron Deficiency
Iron is an essential mineral. It’s a large component of red blood cells. Iron deficiency symptoms usually include tiredness, weakness, a weakened immune system, and impaired brain function.
Iodine Deficiency
Iodine is one of the most common nutrient deficiencies in the world. Severe iodine deficiency can cause mental retardation and development abnormalities in children.
Vitamin D Deficiency
Vitamin D deficiency is very common. Symptoms include muscle weakness, bone loss, and an increased risk of fractures.
Vitamin 12 Deficiency
B12 deficiency is majorly found in vegetarians, vegans, and older adults. Symptoms include blood disorders, impaired brain function, and elevated homocysteine levels.
Calcium Deficiency
Low calcium intake is common in women of all ages and older adults. The main symptom of calcium deficiency is an increased risk of osteoporosis later in life.
Vitamin A Deficiency
It may cause eye damage and blindness, as well as suppress immune function and increase mortality among women and children.
Magnesium Deficiency
Magnesium deficiency is common in western countries, and low intake is associated with many health conditions and diseases.
Conclusion
It is possible to be deficient in almost every nutrient. Children, young women, older adults, vegetarians, and vegans seem to be at the highest risk of several deficiencies. The best way to prevent deficiency is to eat a balanced diet that includes whole, nutrient-dense foods.