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Zinc is an essential mineral that helps support your immune system, cellular metabolism, and serves other important purposes within your body. Your body can get zinc from certain foods, but you can also add this mineral to your diet in the form of a supplement.
Zinc supplements can come in a variety of forms — tablets, gummies, capsules — or even in liquid form like our liquid zinc drops. If you are taking zinc, it’s always wise to stick with the recommended amount of the nutrient (or speak with a physician to see how much is best for you) to make sure you avoid potential troublesome side effects.
While side effects from supplementing with zinc are uncommon, they can arise if you go far beyond the recommended dosage of your zinc supplement.
In this post, we’ll outline five of the telltale signs that you might be overdoing your zinc intake.
However, it’s important to consider that these signs and symptoms may also be linked to other health problems as well. Before assuming that your zinc intake is causing your symptoms, it’s smart to first talk to your doctor.
The Recommended Daily Allowance (RDA) for zinc as established by the Institute of Medicine, Food and Nutrition Board is that adult women, ages 19 and up, have an intake of 8 milligrams of zinc per day. For men, the recommended amount is a bit higher, at 11 milligrams of zinc daily. This may not sound like much, but remember that zinc is a micronutrient – the amount of zinc your body needs is lower than that of macronutrients (like carbohydrates, fats, and proteins).
RDA is the amount recommended for daily intake, but there’s also another important amount to be aware of — it’s called the Tolerable Upper Intake Limit or UL. The Institute of Medicine, Food and Nutrition Board also establishes these amounts, and discusses how this particular amount for zinc was determined in the Dietary Reference Intakes publication.
For adults ages 19+, it’s recommended that they consume no more than 40 mg per day of zinc; however, the UL amount varies for different age groups. It’s also important to note that the upper limit does not apply to individuals who have been prescribed zinc for medical treatment, provided they are monitored for adverse effects by a physician.
When taking MaryRuth’s liquid zinc, a serving of 3 mL (four pumps) gives you 11.25 mg of this important nutrient. You’ll see this referenced in the Supplement Facts panel as 102% DV. In addition, by adjusting the dosage amount, this zinc supplement can be used by the whole family! Or, if you only need zinc support for your little ones, we also have zinc supplements formulated specifically for toddlers and infants. See our Toddler Liquid Zinc and Infant Liquid Zinc.
The easiest way to meet your daily recommended intake of zinc is to combine a nutrient-dense diet with a multimineral or standalone zinc supplement.
Healthy, unprocessed foods can provide you with a significant portion of the zinc you need, but adding a supplement to your daily routine can help to ensure that you meet your nutrient requirements, even on days when your meals aren’t as nutrient-dense as you’d want them to be.
When taking a zinc supplement, it’s always wise to stick with the dosage recommended for your age and gender. Taking more zinc than the recommended dose may not be beneficial for your health, and too much zinc can cause uncomfortable side effects in some cases. We’ll outline these side effects in the paragraphs to follow, but let’s first talk about the benefits of taking zinc.
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Zinc is well-known for its role in maintaining a healthy immune system. However, too much zinc can actually have a suppressive effect on your immune system, potentially making you more susceptible to infections.
The solution? Lower your zinc intake to within the normal range for your age and gender.
One of the most common side effects associated with taking too much of a supplement is digestive problems. If you’re frequently experiencing nausea or stomach cramps after taking zinc, check with your doctor, as you may need to lower your dosage of the supplement.
When you take a dose of zinc that is especially high, it may cause vomiting. However, this symptom of zinc overdose typically only appears if you take a dose of zinc that is several hundred milligrams. The best way to avoid this side effect is to keep your zinc intake relatively close to the daily recommended amount for your age and gender.
Although zinc is often recommended as part of a treatment plan for gastrointestinal problems, too much of the mineral can cause diarrhea in some cases.
If you are attempting to treat diarrhea with zinc, make sure to do so only under the supervision of your doctor. That way, you won’t accidentally overdo your intake.
If you try to treat diarrhea or other gastrointestinal issues with a dose of zinc that is too high, you may be at greater risk of more severe symptoms. To avoid overdoing your zinc intake and potentially having the opposite effect on your gastrointestinal issues than you had intended, make sure to stick with the recommended dosage of zinc.
Too much zinc can interfere with your absorption of iron. If you are supplementing with zinc in doses that are much higher than the recommended amount, you may even be at risk of developing an iron deficiency. Symptoms of iron deficiency include fatigue, pale skin, weak hair and nails, and more.
Balancing your intake of iron and zinc is an essential aspect of your diet and supplement regimen. When you keep your zinc intake within the recommended parameters for your age and gender, the risk of interfering with iron absorption is low.
In the same way that too much zinc can inhibit iron absorption, too much iron can also interfere with your body’s ability to absorb zinc. If you are taking iron and zinc supplements together, make sure to stick with the recommended doses of each. In addition, if you have any questions or concerns about zinc and iron supplements, make sure to talk to your doctor.
To make the most of your zinc supplements and stay safe while taking them, follow these tips.
When supplementing with zinc, the best way to stay safe is to communicate with your doctor about any concerns you have.
Keeping your doctor or healthcare professional in the loop about any changes you make to your supplement regimen is always a good decision. Your doctor can advise you about whether a higher or lower dose of zinc may be best for you based on your age and gender.
MaryRuth’s liquid zinc and liquid multivitamin supplements are 100% vegan and non-GMO. Our supplements can help you meet your daily nutrient needs while allowing you to stick with a healthy, plant-based diet.
Visit our Nutrition & Supplements category to learn more about health, wellness, and how to make the most of your daily supplement regimen!
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