See also: Buffered Vitamin C, Emergen-C, Ester-C, Vitamin C w/Dihydroquercetin, Vitamin C with Rose Hips, Vitamin Supplements
Vitamin C (ascorbic acid) 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.
| Reasons taken | # of patients | Major | Moderate | Slight | None | Can’t tell | # of patients evaluated by |
|---|---|---|---|---|---|---|---|
| General health | 253 |
|
|
|
|
10 | |
| Slow my ALS progress | 136 |
|
|
5 | |||
| Other | 15 | 0 | |||||
| disease-related symptoms | 5 | 0 | |||||
| Fatigue | 3 | 0 | |||||
| Don't know | 2 | 0 |
Mouse over the table for more information
Top 10 dosages based on patients currently taking Vitamin C. See all 54 dosages ►
| 2 500mg as needed | 500mg as needed | daily | 1 daily | 1 mg daily | 2 daily | 3 daily | 3 mg daily | 5 daily | 8 tbs. daily | 60 daily | 90 mg daily | 100 daily | 100 g daily | 100 mg daily | 125 mg daily | 180 mg daily | 200 mg daily | 250 mg/5 mL daily | 250 mg daily | 300 daily | 320 mg daily | 400 intl units daily | 400 mg daily | 500 daily | 500 mg/5 mL daily | 500 mg daily | 600 mg daily | 800 mg daily | 1000 daily | 1000 intl units daily | 1000 mg daily | 2 x 500 mg/5 mL daily | 1100 mg daily | 1200 daily | 1200 mg daily | 1333 mg daily | 1500 daily | 1500 mg daily | 2000 daily | 2000 intl units daily | 2000 mg daily | 4 x 500 mg/5 mL daily | 2500 daily | 2500 mg daily | 3000 daily | 3000 intl units daily | 3000 mg daily | 3750 mg daily | 4000 daily | 4000 mg daily | 4500 mg daily | 20000 mg daily | 250000 mg daily | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1
|
2
|
34
|
3
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
2
|
8
|
1
|
1
|
2
|
1
|
3
|
1
|
1
|
1
|
2
|
8
|
1
|
82
|
1
|
1
|
16
|
2
|
124
|
1
|
1
|
1
|
1
|
1
|
1
|
7
|
6
|
2
|
52
|
1
|
1
|
1
|
5
|
1
|
30
|
1
|
1
|
3
|
1
|
1
|
1
|
||
| Reason | # Patients | Percentage of patients | |
|---|---|---|---|
|
Other
|
31 | 56% |
|
|
Did not seem to work
|
15 | 27% |
|
|
Expense
|
3 | 5% |
|
|
Personal research
|
3 | 5% |
|
|
Doctor's advice
|
2 | 4% |
|
|
Not indicated
|
2 | 4% |
|
|
Side effects too severe
|
1 | 2% |
|
See more information, including instructions, precautions, side effects, and interactions.
Report created on November 20, 2009.