| CAM | Indication | Toxicity |
| St. John's wort | Depression | Nausea, hypersensitivity reactions |
| Ephedra alkaloids | Weight reduction | Hypertension, tachycardia, stroke, seizures |
| Kava | Anxiety | Yellow discoloration of skin/nails, hepatic dysfunction, stupor, visual disturbances, dizziness |
| Echinacea | Respiratory infections | Hypersensitivity reactions (including anaphylaxis) |
| Saw palmetto | Benign prostatic hypertrophy | Diarrhea, constipation, headache, hypertension, nausea, urinary retention |
| Ginseng | Sedative | Diarrhea, headache, hypertension, insomnia, nausea |
| Ginkgo | Dementia | Emesis, headache |
| Green tea | Prostate cancer | Emesis, insomnia, diarrhea, confusion |
| Hydrazine sulfate | Appetite stimulant | Hepatorenal failure |
| Shark cartilage | Cancer | Emesis, constipation, hepatitis |
| Laetrile | Cancer | Emesis, headache, dizziness, obtundation, dermatitis |
| Antineoplastons | Gliomas | Somnolence, confusion |
