Dizziness, headache, diarrhea, abdominal pain/discomfort/cramps, GI discomfort/irritation, nausea/vomiting. Vit A: Dermatitis, photosensitivity reactions. Vit C: Hemolysis in patients w/ G6PD deficiency; delayed-type allergic response; insomnia, sleepiness; flushing; flatulent distention, heartburn, transient colic; increased urination, kidney stone formation; erosion of dental enamel. Vit E: Thyroid problems; blurred vision; HTN, thrombophlebitis; rash; myopathy; breast soreness/gynecomastia, gonadal dysfunction; creatinuria, increased serum creatine kinase, serum cholesterol & triglyceride, increased urinary estrogens & androgens. Zn: Loss of appetite; drowsiness; metallic taste; dyspepsia; gastritis.