Vitamin C Tablets

Vitamin C tablets prevent and treat low levels of vitamin C. This vitamin maintains the health of your blood vessels, bones and immune system. You can take this tablet by mouth with a glass of water as directed.

What is this medication?

VITAMIN C (VAHY tuh min C) prevents and treats low vitamin C levels in your body. Vitamin C plays an important role in maintaining the health of your blood vessels, bones, and immune system. It can also help wounds heal. It is an antioxidant, which helps to protect your cells.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Acerola C, ENDUR-C with Rose Hips

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What should I tell my care team before I take this medication?

They need to know if you have any of the following conditions:

  • Anemia
  • Diabetes
  • Glucose-6-phosphate dehydrogenase (G6PD) deficiency
  • Kidney stones
  • Low sodium diet
  • An unusual or allergic reaction to ascorbic acid, tartrazine, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

Take this medication by mouth with a glass of water. Follow the directions on the package or prescription label. You may take this medication with or without food. If it upsets your stomach take it with food. Take your medication at regular intervals. Do not take your medication more often than directed.

Talk to your care team about the use of this medication in children. While this medication may be prescribed for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

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NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

  • Deferoxamine
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  • Iron supplements

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Follow a good diet. Taking a vitamin supplement does not replace the need for a balanced diet. Some foods that have vitamin C naturally are citrus fruits, green peppers, broccoli, cabbage, and tomatoes.

If you are diabetic very high doses of ascorbic acid can interfere with tests for sugar in the urine. Talk to your care team if you check your urine glucose levels.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Kidney stones—blood in the urine, pain or trouble passing urine, pain in the lower back or sides

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Diarrhea
  • Heartburn
  • Nausea
  • Upset stomach

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) or as directed on the package label. Protect from heat and moisture. Throw away any unused medication after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Copyright ©2023 Elsevier Inc. All Rights Reserved.

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Note: Introduction and Frequently Asked Questions written and medically approved by Cleveland Clinic professionals.

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