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See also: BIO-C, Buffered Vitamin C, Emergen-C, Ester-C, Vitamin C w/Dihydroquercetin, Vitamin C with Rose Hips, Vitamin Supplements

What is Vitamin C (ascorbic acid)? Vitamin C (L-ascorbate) is an antioxidant that humans cannot synthesize so it must be ingested via fruit or other sources. Small doses may reduce the severity and duration of colds. It is available in various formulations to be taken by mouth or by injection.

See more information, including instructions, precautions, side effects, and interactions.


Reasons Taken

752 patients in the community are taking or have taken Vitamin C (ascorbic acid).

Reason # Patients Percentage of patients
General health 445 59%
Slow my ALS progress 127 16%
Other 41 5%
Treat Parkinson's 12 1%
Slow my MS progress 10 1%
Bladder problems 8 1%
disease-related symptoms 7 <1%
Fatigue 6 <1%
Anxiety 4 <1%
Improve immune function 4 <1%
Treat my HIV 4 <1%
Support another treatment 3 <1%
Don't know 2 <1%
Brain fog 1 <1%
Bruising 1 <1%
Insomnia 1 <1%
Constipation 1 <1%
Stiffness/spasticity 1 <1%
Bowel problems 1 <1%
Excessive daytime sleepiness (somnolence) 1 <1%

Dosages

Based on the patients currently taking Vitamin C (ascorbic acid).

Top 10 (Show all)

All (Show Top 10)

  0 As needed 0 mg Daily 0 Daily 1 mg As needed 1 tab(s) As needed 100 g Daily 500 mg As needed 500 mg Daily 1000 mg As needed 1000 mg Daily 1200 mg As needed 1 intl units Daily 1 mg Daily 1 Daily 2 mg Daily 2 Daily 3 mg Daily 3 Daily 5 Daily 8 tbs. Daily 15 mg Daily 1000 mg Monthly 500 mg Weekly 60 mg Daily 60 Daily 90 mg Daily 100 g Daily 100 mg Daily 100 Daily 125 mg Daily 150 mg Daily 180 mg Daily 200 intl units Daily 200 mg Daily 200 Daily 250 mg Daily 300 Daily 320 mg Daily 400 intl units Daily 400 mg Daily 500 intl units Daily 500 mg Daily 500 Daily 600 mg Daily 600 Daily 800 mg Daily 1000 intl units Daily 1000 mg Daily 1000 Daily 1100 mg Daily 1200 mg Daily 1200 Daily 1250 Daily 1333 mg Daily 1500 mg Daily 1500 Daily 2000 intl units Daily 2000 mg Daily 2000 Daily 2400 mg Daily 2500 mg Daily 2500 Daily 3000 intl units Daily 3000 mg Daily 3000 Daily 3750 mg Daily 4000 mg Daily 4000 Daily 4500 mg Daily 5000 mg Daily 5000 Daily 6000 mg Daily 6000 Daily 8000 mg Daily 9000 mg Daily 10000 mg Daily 20000 mg Daily 1000000 mg Daily
  1 Number of Patients: 1 1 Number of Patients: 1 61 Number of Patients: 61 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 7 Number of Patients: 7 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 5 Number of Patients: 5 8 Number of Patients: 8 1 Number of Patients: 1 4 Number of Patients: 4 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 9 Number of Patients: 9 2 Number of Patients: 2 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 4 Number of Patients: 4 1 Number of Patients: 1 7 Number of Patients: 7 1 Number of Patients: 1 1 Number of Patients: 1 3 Number of Patients: 3 1 Number of Patients: 1 1 Number of Patients: 1 142 Number of Patients: 142 13 Number of Patients: 13 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 5 Number of Patients: 5 213 Number of Patients: 213 23 Number of Patients: 23 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 10 Number of Patients: 10 1 Number of Patients: 1 2 Number of Patients: 2 62 Number of Patients: 62 6 Number of Patients: 6 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 30 Number of Patients: 30 9 Number of Patients: 9 1 Number of Patients: 1 6 Number of Patients: 6 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1  

Duration

How long current patients have been taking Vitamin C (ascorbic acid) or how long patients were taking Vitamin C (ascorbic acid) before stopping.

Currently taking Vitamin C (ascorbic acid)

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
16
38
37
70
88
195

Stopped taking Vitamin C (ascorbic acid)

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
0
8
6
17
15
12
Why Patients Stopped Taking Vitamin C (ascorbic acid) (multiple reasons could be selected)
Reason # Patients Percentage of patients
Other 37 64% Other: 64%
Did not seem to work 10 17% Did not seem to work: 17%
Not indicated 4 7% Not indicated: 7%
Doctor's advice 3 5% Doctor's advice: 5%
Personal research 3 5% Personal research: 5%
Side effects too severe 1 2% Side effects too severe: 2%
Course of treatment ended 1 2% Course of treatment ended: 2%
Expense 1 2% Expense: 2%

Patient Reported Evaluations

Results from 32 patient evaluations. See the overall results and all individual evaluations.

Efficacy (Effect based on reason taken)

Major 8% 2
Moderate 33% 8
Slight 8% 2
Can't tell 50% 12

General health

Side-effects (as an overall problem)

Severe 0% 0
Moderate 0% 0
Mild 3% 1
None 97% 31

Top reported side-effects include: stomach upset

Summary results are based on 32 individual responses. For more information, see overall results for Adherence, Burden and Cost.

Individual Patient Reported Evaluations (2 of 32)

  • Rog
    Sex: M
    Mouth/throat: none
    Arms: moderate
    Chest: none
    Legs: none
    See profile
  • Rog
  • by Rog
    Aug 23, 2008
  • EfficacyModerate
  • Side-effectsNone
  • Slow my ALS progress

  • Soli Deo Gloria
    Sex: M
    Mouth/throat: none
    Arms: none
    Chest: none
    Legs: mild
    Type: Upper Motor Neuron
    See profile
  • Soli Deo Gloria
  • by Soli Deo Gloria
    Aug 20, 2008
  • EfficacyCan't tell
  • Side-effectsNone
  • General health

See all evaluation results for Vitamin C (ascorbic acid)



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