how many times a day should you take zinc?
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Currently, the recommended dietary allowance (RDA) for zinc in the United States is 8 milligrams (mg) a day for women and 11 mg a day for men. The element is naturally found in many different foods, but it is also available as a dietary supplement.
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Adults—9 milligrams (mg) once a day in the morning for up to 8 weeks. Your doctor may adjust your dose as needed.
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The National Institutes of Health considers 40 mg of zinc a day to be the upper limit dose for adults and 4 mg of zinc a day for infants under age 6 months.
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When used as directed, zinc supplements can be a safe and effective way to increase your zinc intake and improve several aspects of your health. However, they have been associated with adverse side effects, including nausea, vomiting, diarrhea, and stomach pain (29, 30 ).
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How much should I take for best results? A good maintenance dose is one capsule (500 mg) once or twice daily between meals. To enhance SAMe for mood, we recommend taking at least one capsule for each 800 mg of SAMe that you take. To promote healthy homocysteine metabolism, take 2 capsules once or twice daily.
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As mentioned above, it's fine to take zinc with magnesium. However, as zinc can interact with other minerals (calcium and iron, for example) and vitamins, you need to be aware of how combining them can impair your body's ability to absorb them.
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The National Academy of Medicine recommends not exceeding 350 mg of supplemental magnesium per day (2). However, several studies have involved higher daily dosages. It's recommended to only take a daily magnesium supplement that provides more than 350 mg while under medical supervision.
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You doctor will tell you how many pills to take and how often. Follow your doctor's directions. For the best results, take these pills at the same time every day. Take it on an empty stomach with a full glass of water, at least two hours after, or a full half hour before eating.
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Some studies suggest that taking zinc by mouth may reduce the length of a cold when taken within 24 hours after you notice symptoms. Since taking oral zinc can have side effects, it's best to talk to your healthcare provider before using it as a treatment option. Avoid intranasal zinc that you put up your nose.
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Prednisone is usually taken with food one to four times a day or once every other day. Your doctor will probably tell you to take your dose(s) of prednisone at certain time(s) of day every day.
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Adults and children 12 years of age and older—At first, 300 milligrams (mg) three times per day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 2400 mg per day (600 mg three times per day).
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The National Institutes of Health considers 40 mg of zinc a day to be the upper limit dose for adults and 4 mg of zinc a day for infants under age 6 months. Don't use intranasal zinc.
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Adults—250 to 500 milligrams (mg) 2 times a day, taken every 12 hours for 7 to 14 days. Children—Dose is based on body weight and must be determined by your doctor. The dose is usually 10 to 20 milligrams (mg) per kilogram (kg) of body weight every 12 hours for 10 to 21 days.
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Zinc is POSSIBLY SAFE when taken by mouth in doses greater than 40 mg daily, especially when these doses are taken only for a short period of time. There is some concern that taking doses higher than 40 mg daily might decrease how much copper the body absorbs. Decreased copper absorption may cause anemia.
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Magnesium helps your body regulate its zinc levels, while zinc enables it to absorb magnesium more efficiently—it will only hinder absorption when taken in abnormally high doses (around 142 mg of zinc per day).
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Health authorities have set the tolerable upper intake level (UL) for zinc at 40 mg per day for adults. The UL is the highest recommended daily amount of a nutrient. For most people, this amount is unlikely to cause negative side effects (1, 2).
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The tolerable upper level for zinc is 40 mg per day. However, this does not apply to people with zinc deficiencies, who may need to take high-dose supplements.