Zinc: the reliable ally for your health

In a world where we are increasingly concerned with what we eat and how we feel, it’s easy to focus on protein, carbs or vitamins, but sometimes we forget about the “sidekicks” that play a crucial role in our inner balance. One such unsung hero is zinc – an essential mineral that doesn’t get all the attention it deserves, but makes a huge difference to our everyday health.

What does zinc do for our body?

Zinc is present in all cells of the body and is involved in many fundamental processes. From healing wounds to strengthening the immune system and supporting the senses of taste and smell, zinc is a kind of natural “multitasker”. It helps enzymes function properly, supports cell division, participates in DNA synthesis and even influences normal development in childhood and adolescence. What’s more, it plays an important role in the optimal functioning of the nervous and endocrine systems.

When you have adequate zinc levels, you may not feel anything “special,” but you simply function well, have energy, your skin looks healthy, and colds go away more quickly. But when it’s lacking, things start to change subtly, then more and more obviously.

What happens when you have a zinc deficiency?

Zinc deficiency is not always easy to detect, especially since symptoms can be varied and nonspecific. In mild forms, you may notice that you get sick more often, that wounds heal more slowly, or that your senses of taste and smell are no longer what they used to be. In more advanced forms, problems such as hair loss, decreased appetite, skin irritations (especially around the mouth and nose), fertility problems, growth retardation in children, or even concentration problems can set in.

A classic sign of zinc deficiency is a weakened immune system. If you experience frequent infections, prolonged colds, or unexplained fatigue, you may be lacking this mineral in your diet. Also, in older people, a lack of zinc can contribute to a general state of weakness and loss of muscle mass. In addition, in pregnant women, a lack of zinc can affect the development of the fetus.

Who is most at risk of deficiency?

There are certain groups of people who are at higher risk of suffering from zinc deficiency. These include vegetarians or vegans, because zinc from plant sources is not as easily absorbed as that from meat. People with digestive conditions such as Crohn's disease or celiac disease may also have problems absorbing zinc. Pregnant and breastfeeding women, growing children, and the elderly are also more vulnerable and should pay special attention to their zinc intake.

Where can you get zinc?

The good news is that zinc can be found in many tasty and affordable foods. The richest sources are animal products: beef, pork, chicken, and seafood, especially oysters, which are a real treasure trove of zinc. Dairy products, eggs, and liver are other good options.

For those who prefer a plant-based diet, valuable sources of zinc include legumes (lentils, chickpeas, beans), pumpkin seeds, hemp seeds, nuts, whole grains, and dark chocolate. However, it is important to know that certain plant substances, such as phytates (found in whole grains and legumes), can reduce zinc absorption. Therefore, preparation methods such as soaking, fermenting, or sprouting can help improve the absorption of this mineral.

If for various reasons your diet does not meet your zinc needs, supplements can be a temporary solution, but they should be administered with care and, ideally, under the guidance of a doctor. Too much zinc intake can lead to adverse effects, such as nausea, stomach pain, or interference with the absorption of other minerals, such as copper.

Zinc and immunity

One of the most well-known benefits of zinc is its direct connection to immunity. Zinc helps activate T-lymphocytes, white blood cells that play a crucial role in identifying and destroying pathogens. Studies have shown that taking zinc can shorten the duration of a common cold if taken soon after symptoms appear. It also supports recovery from respiratory infections and helps maintain a healthy upper respiratory tract.

Benefits for skin and hair

Zinc also plays an important role in maintaining skin health. It is often used to treat acne, dermatitis or eczema. Its anti-inflammatory role and ability to accelerate tissue healing make it ideal in skin creams and lotions, but also as a supplement in treatments recommended by dermatologists. As for hair, an adequate intake of zinc can prevent excessive hair loss and support its regeneration.

A mineral that even influences fertility

Zinc is essential for the production of sex hormones in both men and women. In men, it influences testosterone levels and sperm quality, and in women it can help regulate the menstrual cycle. Studies show that zinc deficiency is associated with decreased fertility, which is why it is often included in supplement formulas designed to support fertility.

So, zinc is not just a mineral that we remember when we have a cold or when we read the label of a supplement. It is an everyday ally that works silently to keep our body functioning harmoniously. Zinc is essential for immunity, healthy skin and wound healing. It helps with DNA synthesis, normal development and protects against infections. It is found in meat, dairy, seeds and legumes. Its deficiency can lead to fatigue, hair loss and low immunity. Whether we get it from a plate of good food or, if necessary, from a well-dosed supplement, zinc deserves more attention. Just as we worry about the calories on our plate or the proteins in our shake, it would be good not to forget this little piece of the puzzle that helps us be healthy, energetic and resilient in the face of everyday challenges.

Sources:

https://nutritionsource.hsph.harvard.edu/zinc/

https://ods.od.nih.gov/factsheets/Zinc-Consumer/

https://www.mayoclinic.org/drugs-supplements-zinc/art-20366112