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| Chemical Name | Dosage | Reference |
|---|---|---|
| ASCORBIC-ACID | 1-2 g/day | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Gymnema sylvestre | Gymnema; Miracle Fruit | 1 | 1, 600 |
| Harpagophytum procumbens | Devil's Claw; Grapple Plant | 1 | 0 |
| Helianthus tuberosus | Jerusalem Artichoke | 1 | 306 |
| Hibiscus rosa-sinensis | Chinese hibiscus; Shoe-flower | 1 | 810 |
| Hibiscus sabdariffa | Roselle; Indian Sorrel; Jamaica Sorrel; Kharkadi; Red Sorrel; Sorrel; Malventee (Ger.); Rosella (Ger.); Acedera de Guinea (Sp.); Rosa de Jamaica (Sp.); Sereni (Sp.) | 1 | 43, 450 |
| Hippophae rhamnoides | Sallow Thorn; Sea Buckthorn; Yellow Spine | 1 | 52, 200 |
| Hordeum vulgare | Barley; Barleygrass | 1 | 6, 600 |
| Humulus lupulus | Hops | 1 | 3, 564 |
| Hydrangea arborescens | Smooth Hydrangea; Hydrangea | 1 | 0 |
| Hydrastis canadensis | Goldenseal | 1 | 681 |
| Hylocereus guatemalensis | Guatemala Cereus; Nopalito De Guatemala | 1 | 1, 030 |
| Hylocereus undatus | Night-Blooming Cereus; Nopalito De Noche; Strawberry Pear; Belle-of-the-Night; Queen-of-the-Night | 1 | 2, 575 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 1 | 8, 557.5 |
| Inga edulis | Guaba; Icecream Bean | 1 | 710 |
| Inula helenium | Elecampane | 1 | 20 |
| Ipomoea aquatica | Swamp Cabbage; Water Spinach | 1 | 14, 600 |
| Ipomoea batatas | Sweet Potato | 1 | 5, 420 |
| Iris x germanica | Orris | 1 | 9, 930 |
| Juglans nigra | Black Walnut | 1 | 0 |
| Juglans regia | English Walnut | 1 | 28, 052 |