Best Time to Take Zinc | Timing, Tips & Benefits

Zinc is one of 16 essential trace minerals your body needs for optimal health. Next to iron, it is the most abundant mineral in your body and is found in almost every cell. Zinc is central to the proper functioning of more than 300 enzymes and is essential for proper growth and development.

Because Zinc absorption occurs within the small intestine — primarily in the duodenum and jejunum — the timing and context of your dose can meaningfully influence how much your body actually retains and uses. Understanding the best time to take Zinc helps you get the most from this critical nutrient.

Low levels of Zinc have been detected in people with a number of conditions including diabetes, eating disorders, male infertility, diarrhea, and osteoporosis. The body cannot synthesize Zinc on its own, so obtaining adequate amounts through diet or supplementation is essential.

The best time to take Zinc is with a meal. According to the product directions, you should take one (1) tablet daily with meals. Taking Zinc alongside food helps minimize the gastrointestinal discomfort — such as nausea, abdominal cramps, and stomach upset — that can occur when Zinc is taken on an empty stomach.

However, not all meals are created equal when it comes to Zinc absorption. Zinc bioavailability is relatively high from meals containing meat, eggs, and seafood because of the relative absence of compounds that inhibit Zinc absorption and the presence of sulfur-containing amino acids (cysteine and methionine) that improve Zinc absorption. A mixed animal and plant product diet has an average Zinc bioavailability of 20–30%, whereas a diet rich in animal foods can push bioavailability up to 30–50%.

On the other hand, whole-grain products and plant proteins are less favorable for Zinc absorption due to their relatively high content of phytic acid (phytate), which binds Zinc and inhibits its absorption. A Zinc absorption rate of only 10–15% is estimated from diets containing mainly unrefined cereal grains or legumes with negligible amounts of animal protein. Some researchers have suggested that phytate-rich diets may increase Zinc needs by up to 50%.

What to Avoid Taking With Zinc

Taking supplements that contain a substantial amount of iron (25 mg or more) at the same time as Zinc supplements can reduce Zinc absorption and plasma concentrations of Zinc. If you take both, consider spacing them apart. Similarly, both quinolone and tetracycline antibiotics can reduce absorption of both Zinc and the antibiotic; take the antibiotic at least 2 hours before or 4–6 hours after taking a Zinc supplement.

Store your Zinc tablets in a cool, dry place and away from direct light to maintain potency.

One of Zinc's prime uses comes in boosting the immune system. People who are deficient in Zinc are more susceptible to infections. Research suggests that Zinc supplementation supports immune system function, helping protect against colds and upper respiratory illnesses. Virtually all aspects of innate and adaptive immunity — including the number and function of neutrophils, monocytes, natural killer cells, T cells, and B cells — are affected by Zinc status.

Studies suggest that Zinc lozenges containing more than 75 mg/day of elemental Zinc may shorten common cold duration by approximately 33% when initiated within 24 hours of symptom onset. Zinc also functions as an anti-inflammatory agent: it can reduce the production of inflammatory cytokines TNF-alpha and IL-1 beta, and has been shown to protect cells against oxidative stress.

Men may particularly benefit from Zinc supplementation. The hormone testosterone requires Zinc for its production, and Zinc deficiency is directly associated with hypogonadism — where the testes produce less testosterone. Research suggests that infertility resulting from low testosterone levels may respond to increased Zinc intake. Seminal Zinc levels are significantly lower in infertile men, and studies suggest Zinc supplementation may improve semen volume, sperm motility, and normal morphology in infertile males.

Symptoms resulting from an enlarged prostate, or benign prostatic hyperplasia (BPH), may also be supported with additional Zinc. The healthy prostate accumulates the highest concentration of Zinc of any soft tissue in the body, and studies show that BPH and prostate cancer tissue have significantly lower Zinc levels than normal tissue.

Zinc also plays important roles in wound healing, growth and development, DNA synthesis, taste and smell, and vision. Individuals facing surgery are encouraged to take sufficient Zinc, vitamin A, and vitamin C before and after surgery, as studies show these nutrients can support optimal wound healing.

While everyone needs Zinc, certain groups may be especially likely to benefit from supplementation. Dietary Zinc deficiency is quite common globally, affecting an estimated 2 billion people. Even in North America, 35–45% of adults aged 60 years or older have Zinc intakes below the estimated average requirement, and 20–25% still have inadequate intakes even when supplements are considered.

People who have had gastrointestinal surgery (such as weight loss surgery) or who have digestive disorders like ulcerative colitis or Crohn's disease may have difficulty absorbing enough Zinc. Children with inflammatory bowel disease, celiac disease, or those receiving long-term proton pump inhibitor treatments are also particularly susceptible to Zinc deficiency. Vegetarians may need up to 50% more Zinc due to the phytate content in plant-based diets.

Men concerned about prostate health, testosterone levels, or fertility may especially benefit. Zinc supports testosterone biosynthesis in Leydig cells, and research has linked Zinc deficiency to hypogonadism and impaired spermatogenesis.

This product is gluten free, dairy free, soy free, and grain free, making it accessible for those with common dietary restrictions.