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The Best Time To Take Zinc To Try To Shorten A Cold

There is one surprising reason you might want to take it with a high-protein breakfast


Zinc has been around as a supplement for ages. But the trace mineral really took off during the pandemic when researchers discovered that many people hospitalized with COVID-19 were deficient in zinc. Zinc actually plays an important role in immune function, and it pops up a lot in lozenge form as a way to purportedly shorten your colds (more on that in a sec). Given that we’re diving straight into cold, flu, RSV, and COVID season—whew—it’s understandable to want to do what you can to make sure your immune system is in peak condition. Cue the questions about zinc.

The Best Time To Take Zinc To Try To Shorten A Cold

It's important to curb your expectations with zinc—it’s not going to turn you into germ Teflon or anything. But there is some data to support its use for a range of things that have to do with your health. Of course, if you’re taking zinc, you’ll want to do what you can to max out its benefits. So, when is the best time to take zinc and what can this supplement even do? Here’s the deal.


What is zinc?

Zinc is a nutrient that you need to stay healthy and it’s found in cells throughout your body. Zinc helps your immune system fight off bacteria and viruses, and make DNA and proteins.

“Zinc can also help with the healing process in people with long-term wounds or ulcers". But the most well-researched perk of zinc use is that it shows potential to shorten the duration of colds.

And, having adequate levels of zinc in the body is linked to falling asleep faster and having better sleep quality, research has found. Average daily recommended amounts of zinc vary by person and what's happening in your life, but most adult women need 8 to 12 milligrams of zinc daily while most adult men need 11 milligrams.


Food Sources Of Zinc

Most food sources of zinc are from meats. Meat, fish, and oysters are the best sources. There are some plant sources, like pumpkin seeds and lentils, but there’s not a lot of zinc in fruits and vegetables. Worth noting: You can also get zinc from some fortified breakfast cereals. Most people get enough zinc from the foods they eat and do not need daily supplementation. But some people may benefit from zinc supplements under the care of a doctor. Those can include:

  • People who have digestive disorders like celiac disease, ulcerative colitis or Crohn’s disease

  • Vegetarians and vegans (since the majority of the their protein sources are plant-based)

  • Alcoholics (alcoholic beverages decrease the amount of zinc the body absorbs)

Some people may also see the perks of taking zinc lozenges within 24 hours of the start of cold symptoms (and then every two to three hours while awake for up to a week), given that it can shorten how long they’re sick.


There are different types of zinc, including zinc sulfate, zinc acetate, and zinc gluconate, but the NIH says it’s not clear which form is better than others. Although zinc acetate has been shown to be best for the cold benefits, specifically. The zinc acetate yields more zinc ions and it’s the ions that help to fight colds.


Wondering if you're deficient in zinc? There are few signs to consider, including the following, according to the NIH:

  • Loss of taste and smell

  • Delayed wound healing

  • Issues with thinking, reasoning, and memory

Risks And Contraindications Of Zinc Supplements

In general, zinc is considered a low-risk supplement. However, taking zinc intranasally (like, up your nose) isn’t recommended because it’s linked with a loss of taste and smell. You may also experience things like indigestion, heartburn, headaches, nausea, vomiting, fatigue, or weakness on zinc. Also, keep this in mind, per the NIH: Having too much zinc for too long a time could actually lower your immunity, along with levels of HDL (“good”) cholesterol, and your copper levels. In general, though, it’s thought to be a very safe supplement.


The Best Time To Take Zinc

The timing of when you take zinc doesn’t really matter. If you notice that your zinc supplement makes you feel nauseous after you take it on an empty stomach, she suggests having yours with a meal. Doing so may have an added benefit as zinc is best absorbed when taken with protein. So, perhaps taking your zinc with a high-protein breakfast is a solid choice. In general, though, there’s no gold standard for when to take zinc.


How often can you take zinc?

It depends, and this is where you really should consult your doctor. Needs can vary based on what’s going on in your life and you may need more than usual under some circumstances. If you’re taking a low dose, like in a multivitamin, it’s safe to take zinc every day, especially if you’re not getting huge quantities in your daily eating pattern. But I wouldn’t take mega-doses for more than two weeks unless prescribed by a doctor.


What’s the max dosage that’s safe to take?

Again, it depends on your individual circumstances. In general, though, it’s not recommended that most people exceed 40 milligrams of zinc a day long term.


What should you do if you miss a dose?

You don’t need to double up or anything. Cording says it’s “no big deal” if you miss a dose. Just take it the next day.


How should you store zinc supplements?

It’s always important to read the packaging for your particular zinc supplement. However, keeping your zinc in a cool, dark place, like your medicine cabinet.


Zinc can be a helpful supplement to take in limited doses under certain circumstances, like if you recently had surgery or are battling a cold. Just talk to your doctor before putting yourself on a supplement to make sure it’s right for you.


Adapted from: WHM

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