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N-Acetyl Cysteine and Selenium: study protocols

6 study groups took N-Acetyl Cysteine together with Selenium. 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

6 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: 1 g to 2.5 g, 33% of 6 study groups.

Daily doseStudy groups
500 mcg to 1 mg
1
1 mg to 2.5 mg
1
2.5 mg to 5 mg
0
5 mg to 10 mg
0
10 mg to 25 mg
0
25 mg to 50 mg
0
50 mg to 100 mg
0
100 mg to 250 mg
1
250 mg to 500 mg
0
500 mg to 1 g
1
1 g to 2.5 g
2

Dose per serving from research: Selenium

5 study groups in 4 studies say how much Selenium participants took a day.

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

Most common: 250 mcg to 500 mcg, 60% of 5 study groups.

Daily doseStudy groups
100 mcg to 250 mcg
2
250 mcg to 500 mcg
3

Commonly used together

2 of 6 study groups took N-Acetyl Cysteine and Selenium with something else, but nothing that 3 or more different studies gave.

6 study groups

Study
Efficacy of selenium and/or N-acetyl-cysteine for improving semen parameters in infertile men: a double-blind, placebo controlled, randomized study
2009 · selenium plus N-acetyl-cysteine group · Infertile men with idiopathic oligo-asthenoteratospermia
600 mg200 mcg26 weeks116
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 mg400 mcg24 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 mg——29
Sodium selenite and N-acetylcysteine in antiretroviral-naive HIV-1-infected patients: a randomized, controlled pilot study
1998 · Group A · Antiretroviral-naive adults with HIV infection at CDC'93 stages I and II
1.8 g500 mcg24 weeks13
Sodium selenite and N-acetylcysteine in antiretroviral-naive HIV-1-infected patients: a randomized, controlled pilot study
1998 · Group B · Antiretroviral-naive adults with HIV infection at CDC'93 stages I and II
1.8 g500 mcg12 weeks11
Effects of Selenium and/or N-Acetyl-Cysteine Supplementation on Nonthyroidal Illness Syndrome in Hemodialysis Patients: A Factorial Randomized Controlled Trial
2022 · group D · Hemodialysis patients with nonthyroidal illness syndrome; age and sex not specified
600 mcg200 mcg12 weeks—
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