Prevention with Vitamin C supplement (Ascorbic acid tablets). 5 valid study conducted, with 598 individuals. Prevents 1 in 2 Common Cold cases for people under extreme physical excursive (marathon runners, skiers, soldiers). Seems safe.
Use this treatment under extreme exercise:
It prevents 53% of the Common Cold cases for adults under extreme physical exercise periods. The treatment is also pretty safe.
The level of Vitamin C (and other anti-oxidants in the body) decreases during periods of physical stress (for example, during training of athletes and soldiers). Therefore, supplementation (to balance this decrease) makes sense. 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.
Note that while infections with various strains of Corona viruses are responsible for most cases of common cold, the new corona virus strain, SARS-CoV-2, leads to an entirely different coronavirus infectious disease, COVID-19. The research of treatments for COVID-19 is still pre mature and not based on solid evidence. Therefore, at this stage, we can only speculate that effective treatments for common cold (and related Corona virus strains) may prove effective for Corona disease 2019 (COVID-19) and the related SARS-CoV-2 strain. Please don't count on it.
Ascorbic Acid tablets
Adults under extreme physical exercise, 16 to 65 years old
Daily dosage of 0.2 gram per day, or more (adjusted to age, gender and body weight).
Prevention of Common Cold symptoms
Prevents 1 in 2 cases of Common cold, for people under brief periods of severe physical exercise (marathon runners, skiers, soldiers). May also speed up recovery and reduce severity of colds.
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 (symptoms caused by viral infection of the upper respiratory system).
Symptoms and signs:
Cough, general discomfort, headache, runny nose, sneezing, sore throat, stuffy nose and weakness.
Bacterial infections: lung infection, middle ear infection, strep throat, sinus infection.
Vitamin C (supplement)
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Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement. As a supplement it is used to treat and prevent scurvy. Evidence does not support use in the general population for the prevention of the common cold. It may be taken by mouth or by injection. It is generally well tolerated. Vitamin C was discovered in 1912, isolated in 1928, and first made in 1933. (source)
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