An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| ACETYL-CHOLINE | not available | Duke, 1992 * |
| DOPAMINE | not available | Martindale's 29th |
| GABA | not available | Duke, 1992 * |
| GAMMA-AMINOBUTYRIC-ACID | not available | Duke, 1992 * |
| MAGNESIUM | not available | Duke, 1992 * |
| NORADRENALIN | not available | Martindale's 28th |
| SEROTONIN | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Pachyrhizus erosus | Yambean | 1 | 1, 475 |
| Paeonia lactiflora | Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) | 1 | 4, 950 |
| Paeonia moutan | Moutan; Tree Peony | 1 | 2, 360 |
| Paeonia suffruticosa | Moutan; Tree Peony; Moutan Peony | 1 | 3, 540 |
| Panax ginseng | Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng | 2 | 1, 924 |
| Panax japonicus | Japanese Ginseng | 1 | 2, 400 |
| Panax quinquefolius | American Ginseng; Ginseng | 1 | 4, 400 |
| Panicum maximum | Guinea grass | 1 | 4, 500 |
| Papaver somniferum | Opium Poppy; Poppyseed Poppy | 2 | 31, 200 |
| Parthenium integrifolium | Feverfew; American Feverfew; Wild Quinine; Missouri Snakeroot; Prairie-Dock | 1 | 10, 000 |
| Passiflora incarnata | Manzana de Mayo; Mayapple; Passionflower | 1 | 7, 500 |
| Pastinaca sativa | Parsnip | 1 | 2, 100 |
| Perideridia gairdneri | Squaw Root | 1 | 500 |
| Perilla frutescens | Perilla | 1 | 3, 830 |
| Persea americana | Avocado | 3 | 1, 740 |
| Petasites japonicus | Butterbur | 1 | 2, 545 |
| Petroselinum crispum | Parsley | 1 | 3, 160 |
| Phaseolus acutifolius | Tepary Bean | 1 | 1, 865 |
| Phaseolus coccineus | Scarlet Runner Bean | 1 | 1, 780 |
| Phaseolus lunatus | Butter Bean; Lima Bean | 1 | 14, 000 |