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Is zinc better on empty stomach?

Zinc supplements are most effective if they are taken at least 1 hour before or 2 hours after meals. However, if zinc supplements cause stomach upset, they may be taken with a meal. You should tell your health care professional if you are taking your zinc supplement with meals.

mayoclinic.org - Zinc Supplement (Oral Route, Parenteral Route) - Mayo Clinic
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Description and Brand Names

Drug information provided by: IBM Micromedex

US Brand Name

Galzin M2 Zinc 50 Orazinc 110 Orazinc 220 Zinc-220 Zinc Chelated Zn Plus Protein

Canadian Brand Name

Prostavan

Descriptions

Zinc supplements are used to prevent or treat zinc deficiency.

The body needs zinc for normal growth and health. For patients who are unable to get enough zinc in their regular diet or who have a need for more zinc, zinc supplements may be necessary. They are generally taken by mouth but some patients may have to receive them by injection. Zinc supplements may be used for other conditions as determined by your health care professional. Lack of zinc may lead to poor night vision and wound-healing, a decrease in sense of taste and smell, a reduced ability to fight infections, and poor development of reproductive organs.

Acrodermatitis enteropathica (a lack of absorption of zinc from the intestine)

Alcoholism

Burns

Type 2 diabetes mellitus

Down's syndrome

Eating disorders

Intestine diseases

Infections (continuing or chronic)

Kidney disease

Liver disease

Pancreas disease

Sickle cell disease

Skin disorders

Stomach removal

Stress (continuing)

Thalassemia

Trauma (prolonged)

In addition, premature infants may need additional zinc.

Increased need for zinc should be determined by your health care professional.

Claims that zinc is effective in preventing vision loss in the elderly have not been proven. Zinc has not been proven effective in the treatment of porphyria. Injectable zinc is given by or under the supervision of a health care professional. Other forms of zinc are available without a prescription.

Importance of Diet

For good health, it is important that you eat a balanced and varied diet. Follow carefully any diet program your health care professional may recommend. For your specific dietary vitamin and/or mineral needs, ask your health care professional for a list of appropriate foods. If you think that you are not getting enough vitamins and/or minerals in your diet, you may choose to take a dietary supplement. Zinc is found in various foods, including lean red meats, seafood (especially herring and oysters), peas, and beans. Zinc is also found in whole grains; however, large amounts of whole-grains have been found to decrease the amount of zinc that is absorbed. Additional zinc may be added to the diet through treated (galvanized) cookware. Foods stored in uncoated tin cans may cause less zinc to be available for absorption from food.

The daily amount of zinc needed is defined in several different ways.

For U.S.—

Recommended Dietary Allowances (RDAs) are the amount of vitamins and minerals needed to provide for adequate nutrition in most healthy persons. RDAs for a given nutrient may vary depending on a person's age, sex, and physical condition (e.g., pregnancy). Daily Values (DVs) are used on food and dietary supplement labels to indicate the percent of the recommended daily amount of each nutrient that a serving provides. DV replaces the previous designation of United States Recommended Daily Allowances (USRDAs).

For Canada—

Recommended Nutrient Intakes (RNIs) are used to determine the amounts of vitamins, minerals, and protein needed to provide adequate nutrition and lessen the risk of chronic disease. Normal daily recommended intakes in milligrams (mg) for zinc are generally defined as follows: Information about this zinc-supplement-oral-route-parenteral-route Persons U.S. (mg) Canada (mg) Infants and children birth to

This product is available in the following dosage forms:

Capsule

Tablet

Tablet, Chewable

Before Using

If you are taking a dietary supplement without a prescription, carefully read and follow any precautions on the label. For these supplements, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

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Problems in children have not been reported with intake of normal daily recommended amounts.

Geriatric

Problems in older adults have not been reported with intake of normal daily recommended amounts. There is some evidence that the elderly may be at risk of becoming deficient in zinc due to poor food selection, decreased absorption of zinc by the body, or medicines that decrease absorption of zinc or increase loss of zinc from the body.

Pregnancy

It is especially important that you are receiving enough vitamins and minerals when you become pregnant and that you continue to receive the right amount of vitamins and minerals throughout your pregnancy. The healthy growth and development of the fetus depend on a steady supply of nutrients from the mother. There is evidence that low blood levels of zinc may lead to problems in pregnancy or defects in the baby. However, taking large amounts of a dietary supplement in pregnancy may be harmful to the mother and/or fetus and should be avoided.

Breastfeeding

It is important that you receive the right amounts of vitamins and minerals so that your baby will also get the vitamins and minerals needed to grow properly. However, taking large amounts of a dietary supplement while breast-feeding may be harmful to the mother and/or baby and should be avoided.

Drug Interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these dietary supplements, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Using dietary supplements in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Amygdalin

Baloxavir Marboxil

Bictegravir

Deferoxamine

Dolutegravir

Eltrombopag

Elvitegravir

Raltegravir

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of dietary supplements in this class. Make sure you tell your doctor if you have any other medical problems, especially:

Copper deficiency—Zinc supplements may make this condition worse.

Proper Use

Zinc supplements are most effective if they are taken at least 1 hour before or 2 hours after meals. However, if zinc supplements cause stomach upset, they may be taken with a meal. You should tell your health care professional if you are taking your zinc supplement with meals.

Dosing

The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. For oral dosage forms (capsules, lozenges, tablets, extended-release tablets): To prevent deficiency, the amount taken by mouth is based on normal daily recommended intakes (Note that the normal daily recommended intakes are expressed as an actual amount of zinc. The dosage form [e.g., zinc gluconate, zinc sulfate] has a different strength): For the U.S Adult and teenage males—15 milligrams (mg) per day. Adult and teenage females—12 mg per day. Pregnant females—15 mg per day. Breast-feeding females—16 to 19 mg per day. Children 4 to 10 years of age—10 mg per day. Children birth to 3 years of age—5 to 10 mg per day. For Canada Adult and teenage males—9 to 12 mg per day. Adult and teenage females—9 mg per day. Pregnant females—15 mg per day. Breast-feeding females—15 mg per day. Children 7 to 10 years of age—7 to 9 mg per day. Children 4 to 6 years of age—5 mg per day. Children birth to 3 years of age—2 to 4 mg per day. To treat deficiency: Adults, teenagers, and children—Treatment dose is determined by prescriber for each individual based on severity of deficiency.

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Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. If you miss taking zinc supplements for one or more days there is no cause for concern, since it takes some time for your body to become seriously low in zinc. However, if your health care professional has recommended that you take zinc, try to remember to take it as directed every day.

Storage

Keep out of the reach of children.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Do not keep outdated medicine or medicine no longer needed.

Precautions

When zinc combines with certain foods it may not be absorbed into your body and it will do you no good. If you are taking zinc, the following foods should be avoided or taken 2 hours after you take zinc:

Bran

Fiber-containing foods

Phosphorus-containing foods such as milk or poultry

Whole-grain breads and cereals

Do not take zinc supplements and copper, iron, or phosphorus supplements at the same time. It is best to space doses of these products 2 hours apart, to get the full benefit from each dietary supplement.

Side Effects

Along with its needed effects, a dietary supplement may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor as soon as possible if any of the following side effects occur:

Rare

Chills continuing ulcers or sores in mouth or throat fever heartburn indigestion nausea sore throat unusual tiredness or weakness

Symptoms of overdose

Chest pain dizziness fainting shortness of breath vomiting yellow eyes or skin

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

mayoclinic.org - Zinc Supplement (Oral Route, Parenteral Route) - Mayo Clinic
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