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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. Read more...Click to read more below

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


Reasons Taken

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

Reason # Patients Percentage of patients
General health 418 60%
Slow my ALS progress 123 17%
Other 36 5%
Treat Parkinson's 12 1%
Slow my MS progress 10 1%
disease-related symptoms 8 1%
Fatigue 7 1%
Bladder problems 7 1%
Treat my HIV 4 <1%
Anxiety 3 <1%
Don't know 2 <1%
Improve immune function 2 <1%
Bowel problems 1 <1%
Insomnia 1 <1%
Excessive daytime sleepiness (somnolence) 1 <1%
Brain fog 1 <1%
Constipation 1 <1%
Stiffness/spasticity 1 <1%
Support another treatment 1 <1%

Dosages

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

Top 10 (Show all)

All (Show Top 10)

  0 g day 0 mg day 0 day 0 mg none 0 tab(s) none 0 none 1 intl units day 1 mg day 1 day 2 mg day 2 day 3 mg day 3 day 5 day 8 tbs. day 15 mg day 60 mg day 60 day 90 mg day 100 g day 100 mg day 100 day 125 mg day 150 mg day 180 mg day 200 intl units day 200 mg day 200 day 250 g day 250 mg day 300 day 320 mg day 400 intl units day 400 mg day 500 intl units day 500 mg day 500 day 600 mg day 600 day 800 mg day 1000 intl units day 1000 mg day 1000 day 1100 mg day 1200 mg day 1200 day 1250 day 1333 mg day 1500 mg day 1500 day 1600 mg day 2000 intl units day 2000 mg day 2000 day 2400 mg day 2439 mg day 2500 mg day 2500 day 3000 intl units day 3000 mg day 3000 day 3600 mg day 4000 mg day 4000 day 4500 mg day 5000 day 6000 mg day 6000 day 8000 mg day 10000 mg day 20000 mg day 1000000 mg day
  1 Number of Patients: 1 2 Number of Patients: 2 61 Number of Patients: 61 12 Number of Patients: 12 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 9 Number of Patients: 9 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 4 Number of Patients: 4 1 Number of Patients: 1 1 Number of Patients: 1 6 Number of Patients: 6 1 Number of Patients: 1 1 Number of Patients: 1 3 Number of Patients: 3 1 Number of Patients: 1 1 Number of Patients: 1 120 Number of Patients: 120 13 Number of Patients: 13 2 Number of Patients: 2 1 Number of Patients: 1 2 Number of Patients: 2 5 Number of Patients: 5 188 Number of Patients: 188 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 9 Number of Patients: 9 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 59 Number of Patients: 59 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 1 Number of Patients: 1 27 Number of Patients: 27 9 Number of Patients: 9 1 Number of Patients: 1 4 Number of Patients: 4 1 Number of Patients: 1 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 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
18
17
37
74
89
177

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
16
14
11
Why Patients Stopped Taking Vitamin C (ascorbic acid) (multiple reasons could be selected)
Reason # Patients Percentage of patients
Other 34 62% Other: 62%
Did not seem to work 9 16% Did not seem to work: 16%
Personal research 4 7% Personal research: 7%
Not indicated 4 7% Not indicated: 7%
Doctor's advice 3 5% Doctor's advice: 5%
Side effects too severe 1 2% Side effects too severe: 2%
Course of treatment ended 1 2% Course of treatment ended: 2%

Patient Reported Evaluations

Results from 29 patient evaluations. See the overall results and all individual evaluations.

Efficacy (Effect based on reason taken)

Major 9% 2
Moderate 32% 7
Slight 9% 2
Can't tell 50% 11

General health

Side-effects (as an overall problem)

Severe 0% 0
Moderate 0% 0
Mild 3% 1
None 97% 28

Top reported side-effects include: stomach upset

Summary results are based on 29 individual responses. For more information, see overall results for Adherence, Burden and Cost.

Individual Patient Reported Evaluations (2 of 29)

  • KeepingOn
    Sensation: Moderate
    Overall: Moderate
    Cognition: moderate
    Vision: moderate
    Speech: mild
    Swallowing: mild
    Upper limb: moderate
    Walking: mild
    See profile
  • KeepingOn
  • by KeepingOn
    Aug 19, 2008
  • EfficacyCan't tell
  • Side-effectsNone
  • General health

  • Soli Deo Gloria
    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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