Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
General health 822 160
Amyotrophic lateral sclerosis 168 44
Support immune health 80 21
Iron deficiency anemia 72 24
Fatigue 32 6
Multiple sclerosis 28 2

Show all 108 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 4
Moderate 9
Mild 17
None 253

Commonly reported side effects and conditions associated with Vitamin C (ascorbic acid)

Side effect Patients
Diarrhea 4
Anxious mood 2
Upset stomach 2
Acid reflux 1
Bad taste in mouth 1
Bowel irregularity 1

Show all 25 reported side effects

Dosages

Based on patients currently taking Vitamin C (ascorbic acid)

Dosage Patients
500 mg daily 74
1,000 mg daily 68
1,000 mg daily 24
2,000 mg daily 15
3,000 mg daily 9
250 mg daily 7
500 mg twice daily 7
1,500 mg daily 5
4,000 mg daily 4
500 mg three times daily 3

See all 51 dosages

Why patients stopped taking Vitamin C (ascorbic acid)

Multiple reasons could be selected

Reason Patients
Other 102
Did not seem to work 55
Personal research 20
Doctor's advice 19
Expense 19
Course of treatment ended 15
Side effects too severe 10
Change in health plan coverage 3
See all 222 patients who've stopped taking Vitamin C (ascorbic acid)

Duration

Currently taking Vitamin C (ascorbic acid)

Duration Patients
1 - 6 months 11
6 months - 1 year 12
1 - 2 years 24
2 - 5 years 33
5 - 10 years 85
10 years or more 101

Stopped taking Vitamin C (ascorbic acid)

Duration Patients
Less than 1 month 9
1 - 6 months 44
6 months - 1 year 38
1 - 2 years 51
2 - 5 years 44
5 - 10 years 20
10 years or more 17
Adherence
Adherence Evaluations
Always 158
Usually 87
Sometimes 23
Never taken as prescribed 15
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 15
A little hard to take 40
Not at all hard to take 225
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 1
$50-99 2
$25-49 17
< $25 122
Not specified 141
Last updated:

47 patient evaluations for Vitamin C (ascorbic acid)

Apr 11, 2011 (Started Mar 03, 2011)

  • Effectiveness
    Slight (for General health)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily
Cost: < $25 monthly

  • 0 helpful marks

Mar 29, 2015 (Started Jul 01, 1999)

  • Effectiveness
    None (for myalgic encephalomyelitis/chronic fatigue syndrome)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: As needed
Cost: < $25 monthly

  • 0 helpful marks

Jan 26, 2017 (Started Jun 30, 2000)

  • Effectiveness
    Slight (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1,000 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 47 patient evaluations for Vitamin C (ascorbic acid)