Vitamin C- Benefits, dosage, side effects

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Vitamin C or ascorbic acid is a vitamin needed by the body to produce a substance called collagen. Collagen is very important for maintaining the health and repair of cartilage, teeth, bones, and skin. Apart from supplements, vitamin C can also be obtained from most fruits and vegetables, such as kiwi, oranges, tomatoes, strawberries, lemons, pineapples, papaya, broccoli, chili, potatoes, and peppers.

The main function of vitamin C supplements is to prevent and treat vitamin C deficiency. However, these supplements also have various important roles for the body, such as helping wound healing, maintaining healthy connective tissue, and helping to protect body cells. Vitamin C is available in various brands that can be purchased freely at pharmacies.

Trademarks: Bierce, Probio-C, Prove-C, Sankorbin, Advice

About Vitamin C

Vitamin Group
Free Drug Category
Benefits of preventing and overcoming vitamin C deficiency
Consumed by adults and children
Category of pregnancy and breastfeeding Category N: Not yet categorized.
Tablet drug form, syrup, injection


  • For women planning to become pregnant, pregnant, or breastfeeding, adjust the dosage at the doctor’s recommendation.
  • Please be careful of people who have diabetes, hypoglycemia, hypertension, kidney disorders, and cancer problems.
  • If an allergic reaction or overdose occurs after taking a vitamin C supplement, see a doctor immediately.

Vitamin C dose

The dose of vitamin C consumed must be adjusted to the conditions. To overcome vitamin C deficiency, the dosage usually ranges from 25-300 mg per day. Whereas to prevent vitamin C deficiency, the dosage usually ranges from 25-75 mg per day.

Take Vitamin C Properly

Use vitamin C supplements in accordance with the information on the packaging or doctor’s advice. Supplements, vitamin C is generally only consumed once a day, before or after meals. Do not exceed the recommended dosage to prevent unwanted side effects.

If you forget to take vitamin C supplements, it is advisable to do it immediately if pausing with the next drink schedule is not too close. If it’s close, ignore it and don’t double the dose.

Drug Interactions

High doses of Vitamin C can cause a reaction if taken together with certain drugs, including:

  • Blood-thinning drugs, such as aspirin, warfarin, coumarin, and clopidogrel. Vitamin C causes blood-thinning effects to decrease.
  • Paracetamol. Reduces the pain relief effect.
  • Drugs for cancer, asthma, heart, lung, intestinal, dental, eye, skin, and products that contain nicotine.
  • Aspirin reduces the absorption of vitamin C by the body and increases the disposal of vitamin C from the body.
  • Oral contraceptives (birth control pills) and fluphenazine in the blood. Vitamin C can reduce the levels of these drugs in the blood.
  • Desferrioxamine. Worsens the effects of iron toxicity on the heart.

Because vitamin C affects blood sugar levels and blood pressure, it is recommended that people who are in the treatment of diabetes or hypertension to consult a doctor, in order to adjust the therapeutic dose.

If taken together with herbal medicines and supplements, high doses of vitamin C can also cause a different reaction. To avoid negative effects, be sure to always comply with the rules of use.

Recognize the Side Effects and Dangers of Vitamin C

If taken with the recommended dosage, vitamin C will not be harmful and very rarely causes side effects. Conversely, if consumed in high doses in the long term, it can increase the risk of kidney stone formation or the occurrence of several symptoms such as the following:

  • Bloated.
  • Heartburn
  • Diarrhea.
  • Gag.
  • Stomach ache.

Be sure to read the ingredients contained in each drug preparation. Do not consume more than one supplement that contains vitamin C at the same time to avoid an overdose.

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