Zinc Deficiency in Men: Signs, Symptoms, Testosterone, and Sexual Health

Zinc might not be the first thing that comes to mind when you think about men’s health, but it should be! This small mineral has a big job through supporting testosterone, immune function, and sexual health.

Low zinc can show up in ways that are easy to brush off, but before we start blaming stress, lack of sleep, or “just getting older”, it’s worth learning about what zinc deficiency actually is.

In this blog, we break it down for you. From the signs to watch out for to the best ways to get zinc, and what it might be telling you about your health.

What Is Zinc Deficiency?

Zinc deficiency occurs when the body doesn’t have enough zinc. Since our bodies cannot produce zinc naturally, it must come from zinc-rich foods or supplements.

Zinc is important when it comes to the immune system and wound healing as it fights off bacteria and viruses. In addition to supporting the immune system, zinc is essential for bone growth and repair.

A zinc deficiency can happen for a multitude of reasons such as not getting enough zinc in the diet, excessive sweating, or your body simply not absorbing enough of it. And when zinc levels drop, the signs can show up in energy, mood, and even your sexual health.

What Are the Signs of Zinc Deficiency?

The signs of zinc deficiency in men can show up in several ways, including:

• Brittle nails
• Hair loss or thinning
• Lack of energy
• Reduced libido
• Mood changes
• Low testosterone levels
• Frequent infections

Can Low Zinc Affect Testosterone?

Yes, low zinc levels can affect testosterone production in men. Zinc plays a role in how the body produces and regulates testosterone, so when zinc levels become too low, hormone production can’t function as it should.

Research has shown that men with a zinc deficiency tend to have lower testosterone levels, especially if it’s related to diet, stress, or poor absorption. However, zinc isn’t the only factor when it comes to low testosterone.

For men experiencing symptoms like fatigue, reduced libido, and mood changes, hormone testing may be worth it.

Treatments like testosterone replacement therapy (TRT) may be an option. And if zinc levels are also low, a provider can help address it alongside hormone support as part of a treatment plan.

With zinc and testosterone both influencing sexual health, its impact can also be seen in erectile function.

Can Low Zinc Cause Erectile Dysfunction (ED)?

Yes, low zinc levels can be linked to erectile dysfunction.

Zinc helps maintain erections by supporting the production of nitric oxide, a compound that relaxes blood vessels and increases blood flow to the penis. When zinc levels are low, this process does not work efficiently, which affects sexual performance.

However, zinc is rarely the only cause when it comes to ED.

If you’re experiencing ongoing erectile dysfunction, treatment options like Sildenafil or Tadalafil may help improve erectile function.

Treating ED is just one piece of the puzzle. Making sure you’re getting enough zinc can support your overall health and sexual wellness.

What’s The Best Way to Get Zinc?

The best way to get enough zinc is through zinc-rich foods, and when needed, supplements can help fill in the gaps. Most men can meet their needs through a balanced diet, but certain factors like poor absorption and high stress can make it harder to achieve healthy levels.

Zinc-rich Foods

Adding zinc-rich foods to your diet is the most effective way to support healthy zinc levels. Some of the best foods include:

• Oysters
• Nuts like cashews and almonds
• Beef and red meat
• Chickpeas and lentils
• Fish
• Dairy like yogurt and cheese

Animal-based foods tend to be more easily absorbed, but plant-based options are still great sources of zinc when eaten regularly.

Zinc Supplements

Zinc supplements can also help when diet alone isn’t enough. The best zinc supplements are those that use highly absorbable forms like zinc picolinate or zinc glycinate.

Not all zinc supplements are created equal though, so it helps to look at expert-backed recommendations. According to  Forbes 8 Best Zinc Supplements and Fortune’s 4 Best Zinc Supplements, Transparent Labs ZMO continues to be the best overall zinc supplement amongst others.

While supplements can be effective, more isn’t always better. Taking too much zinc can lead to zinc toxicity which can cause stomach discomfort and mineral imbalances. Because of this, health experts recommend 11mg of zinc per day.

When It’s Time to Look Beyond Zinc

Zinc can be part of the picture, but it’s not always the full explanation for how you’re feeling. If symptoms like low energy, low libido, or changes in sexual health continue after improving zinc intake, it may be a sign that something else is going on.

At SynergenX, these symptoms are evaluated as part of a bigger health picture. That can include hormone testing and treatment options such as testosterone replacement therapy (TRT) or ED treatments like Sildenafil or Tadalafil, depending on your needs.

Don’t continue to guess your way through it, book your appointment today!

People Also Ask

When’s the best time to take zinc?

The best time to take zinc is with a meal, ideally dinner. Do not take zinc at the same time as iron, calcium, or magnesium as they compete for the same absorption pathways.

Can stress or lifestyle choices cause low zinc levels?

Yes. Chronic stress, poor diet, alcohol use, and high levels of physical activity can all contribute to lower zinc levels over time.

Do multivitamins contain enough zinc?

Some multivitamins include zinc, but the amount varies. Many contain low doses that may not be enough to help deficiency, depending on individual needs.

Does age affect zinc levels in men?

Zinc absorption and dietary intake can decline with age, and older men may be at higher risk of low zinc levels.

Can low zinc affect fertility in men?

Yes, zinc is involved in sperm production, so low levels may contribute to reduced fertility. Zinc is also present in semen, meaning small amounts of zinc can be lost through ejaculation.

Zinc Deficiency: Symptoms, Causes & Treatment

Correlation between serum zinc and testosterone: A systematic review – PubMed

Zinc – Health Professional Fact Sheet

Zinc – Mayo Clinic

Zinc: What it does for the body, and the best food sources – Harvard Health

When Should You Take Zinc? Morning vs Night for Best Results

Medically reviewed by: Micheal Seay, MSN, APRN, FNP-BC

Michael Seay is a Board-Certified Family Nurse Practitioner (FNP-BC) with over 16 years of clinical experience in emergency medicine, urgent care, gastroenterology, geriatric care, and hormone optimization therapy for men and women. He holds a Master of Science in Nursing from Walden University and a Bachelor of Science in Nursing from Platt College School of Nursing. He is certified in hormone pellet placement and weight loss therapies, with a clinical focus on individualized, patient-centered care.