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What are benefits of zinc?

Zinc supports a number of functions in the human body. As well as supporting the immune system, it enables the body to make proteins and DNA, contributes to wound healing, and plays a role in childhood growth and development. It also has antioxidant properties.

medicalnewstoday.com - Zinc: Benefits, intake, sources, deficiency, and side effects

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We do the research so you can find trusted products for your health and wellness. Our team thoroughly researches and evaluates the recommendations we make on our site. To establish that the product manufacturers addressed safety and efficacy standards, we: Medical News Today only shows you brands and products that we stand behind. We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. This article looks at the health benefits of zinc, what happens if a person does not have enough zinc, and useful sources. Zinc occurs naturally in many foods, such as beans, meat, and fish. It is also available as a dietary supplement. Zinc supports a number of functions in the human body. As well as supporting the immune system, it enables the body to make proteins and DNA, contributes to wound healing, and plays a role in childhood growth and development. It also has antioxidant properties. Zinc is a nutrient that supports growth during childhood and the immune system. Low zinc levels can increase a person’s risk of disease and illness.

Zinc is crucial for various functions in the body, including:

1. Immune function

The body needs zinc for the immune system to work properly. Low levels of zinc can increase the risk of infections, such as pneumonia.

How can you stay healthy with a weak immune system?

2. Treating diarrhea

The World Health Organization (WHO) recommend zinc supplements for infants with diarrhea.

There is evidence that it can shorten bouts of diarrhea, especially in those who do not have a nutritious diet.

3. Wound healing

Zinc plays a role in maintaining healthy skin.

People with long-term wounds or ulcers often have low zinc levels. Healthcare professionals may recommend zinc supplements for people with persistent wounds. Research from 2018 notes that zinc plays a key role in every stage of wound healing, from skin repair to preventing infections. The authors call for more studies to identify precisely how zinc works in healing wounds. This, they say, could lead to new treatments for wounds that are hard to heal.

Find out how to make a wound heal faster.

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4. Chronic disease

Zinc has antioxidant properties. As such, it can help reduce oxidative stress. Scientists believe that there is a link between oxidative stress and chronic diseases, such as high blood pressure, diabetes, and other aspects of metabolic syndrome. Research from 2018 suggests that zinc may help prevent metabolic syndrome. They recommend further studies to identify how zinc affects health and to see whether supplementation might be useful as a therapy.

5. Age-related macular degeneration

Zinc prevents cell damage in the retina, and it may help delay the progression of age-related macular degeneration and vision loss, according to the National Institutes of Health (NIH) . However, it is unlikely to prevent the degeneration. The authors of research from 2020 have found that a zinc deficiency may play a role in developing this degeneration. They call for further studies and suggest that zinc might contribute to new treatment approaches. Overall, some studies suggest that supplementation may help, but the evidence is not conclusive.

6. Sexual health

Low zinc levels may lead to delayed sexual development, fertility problems, and other sexual health issues in males. The authors of research from 2018 describe zinc as essential to male sexual health. Reasons for this could include zinc’s roles as an antioxidant and hormone balancer. However, while a zinc deficiency can have a negative impact, too much zinc may lead to toxicity, which could be harmful to sperm. Anyone considering zinc supplements to support their sexual health should speak with a doctor. There is some evidence that zinc may help treat some skin diseases, as it plays a role in wound healing.

Research suggests that zinc may help treat:

Here, learn more about using zinc to treat acne.

8. Osteoporosis

Zinc plays an essential role in bone formation and health and may help prevent osteoporosis, according to research from 2020. However, it remains unclear whether zinc supplementation can prevent or treat this condition, and further research is necessary.

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9. Neurological symptoms

A small study from 2020 concluded that there may be a link between low zinc levels and neurological symptoms. Researchers looked at 63 people who had headaches, tingling, and peripheral neuropathy, as well as deficiencies in zinc and other micronutrients. After treatment for these deficiencies, the participants reported improvements in their neurological symptoms. However, the researchers acknowledge the need for further research.

10. The common cold

A review of studies from 2011 suggests that zinc lozenges may help shorten the duration of the common cold, but only with daily doses of over 75 milligrams (mg). On the whole, studies looking at the use of zinc for colds have been of poor quality. There is no reliable evidence that taking zinc prevents colds. Also, the NIH warn that zinc can affect the sense of smell. Speak with a doctor before using nasal sprays or gels that contain zinc, as the damage may be long-term or permanent.

Get some tips on treating a cold.

11. Learning and memory

Some research in rodents suggests that zinc may boost cognitive function. In a 2017 study , rats that received zinc supplements performed better in tasks that involved thinking and memory. There does not appear to be sufficient evidence that zinc can improve memory or learning in humans, however

Get some tips for improving memory here.

medicalnewstoday.com - Zinc: Benefits, intake, sources, deficiency, and side effects

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