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Vitamin C (vitamin) for prevention of Common Cold in healthy Adults

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    Ineffective

    Bottom Line

  • Prevention with Vitamin C supplement (Ascorbic acid tablets). 20 valid study conducted, with 9,017 individuals. Has no preventive effect. May speed up recovery by 8%. Seems safe.

    • Curefacts.com -  Evidence icon EVIDENCE | REASONABLY TESTED
    • Curefacts.com -  Effectiveness icon EFFECTIVENESS | NEGLIGIBLE BENEFITS
    • Curefacts.com -  Safety Circle icon SAFETY | SAFE

Recommendations

Do not use this treatment:

It does not prevent cold symptoms, and it only slightly speeds up recovery. The treatment seems safe but pointless.

Doctors Say That Curefacts.com -  Tooltip icon

Any excess of Vitamin C (Ascorbic acid) is evacuated from our body through the urine. This makes vitamin C pretty safe even in high dosages.

About Vitamin C (vitamin)

Ascorbic Acid tablets

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    Target Population:

    healthy Adults, 16 to 65 years old

  • Curefacts.com - Dosage icon

    Dosage:

    Daily dosage of 0.2 gram per day, or more (adjusted to age, gender and body weight).

  • Curefacts.com - Goal icon

    Goal:

    Prevention of Common Cold symptoms

Research Summary

  • Curefacts.com - Green Pages icon Reasonably tested
  • 20 Clinical Studies
  • 9,017 Curefacts.com - Tooltip icon Adults Tested
  • Negligible benefits
  • Benefits:

    Does not prevents Common Cold cases. Speeds up recovery by 8%, and may reduce the severity of colds.

  • Curefacts.com - Safety icon Safe
  • Risks:

    0.2-2 gram of Vitamin C per day seems safe for healthy adults and has no side effects. Doctor consultation is needed for diabetic adults, or when in-taking iron (since Vitamin C increases iron absorption).

Common Cold Overview

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    Medical problem:

    Common Cold (symptoms caused by viral infection of the upper respiratory system).

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    Symptoms and signs:

    Cough, general discomfort, headache, runny nose, sneezing, sore throat, stuffy nose and weakness.

  • Curefacts.com - Complications icon

    Complications:

    Bacterial infections: lung infection, middle ear infection, strep throat, sinus infection.

Other Treatments

Brand Names

Vitamin C (supplement)

  • Ascoltin
  • Ascot
  • C-500 Chewable Tablet
  • C-Time
  • Cecon Drops
  • Centrum Singles - Vitamin C
  • Cevi-Bid
  • Sunkist Vitamin C
  • Vicks Vitamin C Drops
  • Ester-C
  • Vasoflex HD
  • Acerola
  • Ascocid
  • Ascor L 500
  • Ascorbic Acid Quick Melts
  • Betac
  • Cemill
  • Cenolate

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