Search tips
Search criteria 


Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
Int J Sport Nutr Exerc Metab. Author manuscript; available in PMC 2012 June 13.
Published in final edited form as:
Int J Sport Nutr Exerc Metab. 2011 April; 21(2): 146–154.

Table 1

Individual Adverse Reactions With Oral Ingestion of N-Acetylcysteine Capsules

Adverse reactionDose
0 mg/kg9 ± 2 mg/kg18 ± 4 mg/kg
 upset stomachd1, h1d1
 stomach or intestinal gasd1d1d1, i1
 sleepinessd1, i1
 metallic tastei1

Note. Lowercase letters (d, h, i) refer to individual subjects from Arm 1. Superscripts show ranked intensity of adverse reaction reported by each subject. Ranked intensities are (1) mild, (2) moderate, and (3) severe. Subjects who indicated “none” (0) for an adverse reaction are omitted for clarity. None of the subjects experienced light-headedness; redness of eyes, face, or hands; welts; or wheezing. Dashes indicate that none of the subjects reported the adverse reaction listed. Subjects received placebo or 600 or 1,200 mg of N-acetylcysteine capsules. Doses are shown normalized for body weight.