What are the symptoms of low zinc?

Author: Ms. Zora Cruickshank I  |  Last update: Wednesday, September 17, 2025

What are the symptoms of zinc deficiency?
  • hair loss.
  • skin and hair changes.
  • eye problems.
  • more infections than usual.
  • wounds that take a long time to heal.
  • loss of taste and smell.
  • diarrhoea.

How do I know if my zinc levels are low?

People lose their appetite and hair and may feel sluggish and lose their sense of taste. Doctors measure the zinc level in blood and urine, but these tests may not accurately determine zinc status. Zinc supplements taken by mouth can cure the deficiency.

How long does it take to fix zinc deficiency?

Mild zinc deficiency should be treated with zinc supplementation at two to three times the recommended dietary allowance (RDA), whereas moderate to severe deficiency can be treated at four to five times the RDA. Treatment should last for six months.

What is the root cause of zinc deficiency?

Patients with an acquired form of zinc deficiency usually have a combination of various factors, such as: Nutritional: lack of meat intake, excess phytates (present in legumes, seeds, soy products, and whole grains), or oxalates (found in spinach, okra, nuts, and tea)

What organs are affected by zinc deficiency?

Organ systems known to be affected clinically by severe zinc deficiency states include the epidermal, gastrointestinal, central nervous, immune, skeletal and reproductive systems (Hambidge and Walravens 1982).

Zinc Deficiency: The 7 Symptoms You've Never Heard About

What blocks zinc absorption?

Phytate, which is present in staple foods like cereals, corn and rice, has a strong negative effect on zinc absorption from composite meals. Inositol hexaphosphates and pentaphosphates are the phytate forms that exert these negative effects, whereas the lower phosphates have no or little effect on zinc absorption.

What disease is caused by lack of zinc?

Zinc deficiency may manifest as acne, eczema, xerosis (dry, scaling skin), seborrheic dermatitis, or alopecia (thin and sparse hair). It may also impair or possibly prevent wound healing.

How can I increase my zinc levels quickly?

The best source of zinc is oysters, but it's also plentiful in red meat and poultry. Other good sources are other kinds of seafood, nuts whole grains, breakfast cereals, and dairy products.

Who is most prone to zinc deficiency?

Male sex was associated with higher odds of zinc deficiency (OR 1.165 vs female), as is older age (OR 1.301 per 10 years increase), BMI under 25 (OR 1.443 vs BMI greater than or equal to 25), and inpatient status (OR 3.367 vs outpatient), with all associations being statistically significant (p < 0.001).

Can lack of zinc cause body odor?

Zinc or magnesium deficiencies can lead to worse body odor because they affect how you metabolize foods, which influences smell.

What drug should not be taken with zinc?

Immunosuppressant medications -- Since zinc may make the immune system stronger, it should not be taken with corticosteroids (such as prednisone), cyclosporine, or other medications intended to suppress the immune system.

How can I test my zinc levels at home?

  1. Suggested use: Hold 2 teaspoonfuls (10 mL) of Zinc Test in the mouth for at least 10 seconds before swallowing.
  2. A lack of taste or a delayed taste perception in the mouth may indicate a possible zinc insufficiency; If an immediate taste perception occurs, the zinc status may be adequate.

What are the neurological symptoms of zinc deficiency?

Zinc deficiency has been shown to induce lethargy, neurosensory pathology, neuropsychiatric disorders, and reduction of nerve conduction. Oral ingestion of toxic levels of zinc will produce symptoms of dizziness and lethargy.

Can low zinc make you sick?

Zinc deficiency can result in skin changes that look like eczema at first, but do not improve with moisturisers, steroid creams or lotions. You may also experience symptoms including hair loss, more frequent infections, wounds that take a long time to heal and diarrhoea.

What do nails look like with zinc deficiency?

Zinc deficiency can cause Beau's lines and white spots on your nails. Iron deficiency can cause vertical nail ridges and koilonychia (spoon nails). Spoon nails have a depression in the middle, like the center of your nail was scooped out.

Should I take zinc every day?

The recommended daily amount of zinc is 8 milligrams (mg) for women and 11 mg for adult men.

Can low zinc cause weight gain?

There will be a decrease in plasma zinc whenever the body accelerates proteogenesis. Moreover, its deficiency will cause a reduction in lean body mass accrual and increase the energy cost of tissue deposition [3], [4]. Beyond that, zinc deficiency predisposes individuals to obesity and other metabolic diseases [5].

What health problems does zinc cause?

Adverse effects of high zinc intake include nausea, vomiting, loss of appetite, abdominal cramps, diarrhea, and headaches. Intakes of 150–450 mg of zinc per day have been associated with such chronic effects as low copper status, altered iron function and reduced immune function.

What depletes zinc in the body?

People with the following chronic conditions may experience zinc deficiency:
  • alcohol addiction.
  • cancer.
  • celiac disease.
  • chronic diarrhea.
  • chronic kidney disease.
  • chronic liver disease.
  • Crohn's disease.
  • diabetes.

Which fruit is rich in zinc?

Zinc is an essential micronutrient with many health benefits. Fruits that are richest in zinc include pomegranate, wild blueberries, avocado, and others. Zinc is an essential micronutrient with many health benefits. It is good for your immune system and cell growth.

What helps zinc absorption?

The amount of protein in a meal has a positive effect on zinc absorption, but individual proteins may act differently; e.g., casein has a modest inhibitory effect of zinc absorption compared with other protein sources.

Can low zinc make you tired?

Zinc deficiency is associated with fatigue intensity in the chronic fatigue syndrome, related to inflammation markers, immune activation and oxidative stress associated with lipid membrane damage.

Are eggs high in zinc?

Eggs. One large hard-boiled egg contains 0.53 milligrams of zinc (4.8% RDA for men, 6.6% RDA for women). Eggs are a complete protein, meaning they provide all nine essential amino acids — none of which your body can produce on its own, so you have to get them through food.

Does zinc make you harder?

Zinc improves sexual performance and erectile function by preventing penile oxidative injury and upregulating circulating testosterone in lead-exposed rats - PMC.

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