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N-Acetyl Cysteine and Vitamin E: study protocols

9 study groups took N-Acetyl Cysteine together with Vitamin E. These are the doses the studies gave. They are not a recommendation.

N-Acetyl Cysteine: what the research found →

Dose per serving from research: N-Acetyl Cysteine

9 study groups in 5 studies say how much N-Acetyl Cysteine participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 500 mg to 1 g and 500 g to 1,000 g, 33% of 9 study groups each.

Daily doseStudy groups
50 mg or less
1
50 mg to 100 mg
0
100 mg to 250 mg
1
250 mg to 500 mg
0
500 mg to 1 g
3
1 g to 2.5 g
1
2.5 g to 5 g
0
5 g to 10 g
0
10 g to 25 g
0
25 g to 50 g
0
50 g to 100 g
0
100 g to 250 g
0
250 g to 500 g
0
500 g to 1,000 g
3

Dose per serving from research: Vitamin E

6 study groups in 4 studies say how much Vitamin E participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 25 IU to 50 IU, 50% of 6 study groups.

Daily doseStudy groups
25 IU to 50 IU
3
50 IU to 100 IU
0
100 IU to 250 IU
0
250 IU to 500 IU
1
500 IU to 1,000 IU
1
1,000 IU to 2,500 IU
0
over 2,500 IU
1

Commonly used together

9 of 9 study groups took N-Acetyl Cysteine and Vitamin E with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Vitamin C
5

9 study groups

Study
Interferon/antioxidant combination therapy for chronic hepatitis C--a controlled pilot trial
1999 · group C · Interferon-naive patients with chronic hepatitis C; age and sex not reported
1.8 mg544 IU24 weeks8
Lower rate of preeclampsia after antioxidant supplementation in pregnant women with low antioxidant status
2006 · supplementation group · Pregnant women screened positive for low antioxidant status at 8 to 12 weeks of gestation
200 mg400 IU—29
Mechanical Ventilation Antioxidant Trial
2015 · vitamin C plus vitamin E plus N-acetylcysteine · critically ill adults requiring mechanical ventilation
1.2 g3,000 IU——
A vitamin/nutriceutical formulation improves memory and cognitive performance in community-dwelling adults without dementia
2010 · NF group, 3-month blinded trial · Community-dwelling adults aged 18–86 years, both sexes, without dementia or clinical memory difficulties
600 mg30 IU90 days59
A vitamin/nutriceutical formulation improves memory and cognitive performance in community-dwelling adults without dementia
2010 · Open-label NF group, separate 6-month trial · Community-dwelling adults, both sexes, without dementia or clinical memory difficulties
600 mg30 IU26 weeks38
A vitamin/nutriceutical formulation improves memory and cognitive performance in community-dwelling adults without dementia
2010 · NF group, 2-week blinded trial · Community-dwelling adults, both sexes, without dementia or clinical memory difficulties
600 mg30 IU2 weeks—
Effects of antioxidant supplementation on postprandial oxidative stress and endothelial dysfunction: a single-blind, 15-day clinical trial in patients with untreated type 2 diabetes, subjects with impaired glucose tolerance, and healthy controls
2005 · type 2 diabetes group · Adults with early-stage, untreated type 2 diabetes
600 g300 g15 days46
Effects of antioxidant supplementation on postprandial oxidative stress and endothelial dysfunction: a single-blind, 15-day clinical trial in patients with untreated type 2 diabetes, subjects with impaired glucose tolerance, and healthy controls
2005 · impaired glucose tolerance group · Adults with impaired glucose tolerance
600 g300 g15 days46
Effects of antioxidant supplementation on postprandial oxidative stress and endothelial dysfunction: a single-blind, 15-day clinical trial in patients with untreated type 2 diabetes, subjects with impaired glucose tolerance, and healthy controls
2005 · healthy control group · Healthy adults
600 g300 g15 days46
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