| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Juglans cinerea | Seed | 9400.0 | 9725.0 | 0.4 | * |
| Lablab purpureus | Seed | 1430.0 | 11789.0 | 0.8 | * |
| Lactuca sativa | Leaf | 590.0 | 9833.0 | 0.0 | * |
| Lagenaria siceraria | Fruit | 180.0 | 4035.0 | 0.4 | * |
| Lens culinaris | Sprout Seedling | 3280.0 | 10935.0 | -0.4 | USDA's Ag Handbook 8 and sequelae) |
| Lens culinaris | Seed | 10060.0 | 11325.0 | 0.7 | USDA's Ag Handbook 8 and sequelae) |
| Lentinus edodes | Fruit | -- | -- | * | |
| Lepidium meyenii | Root | -- | 3310.0 | -0.1 | Taylor, Leslie. 2005. The Healing Power of Rainforest Herbs. SquareOne Publisher, Garden City Park, NY. 519 pp. |
| Linum usitatissimum | Seed | -- | 0.195 | -1.8 | * |
| Lupinus albus | Seed | 13310.0 | 14860.0 | 1.5 | * |
| Lycopersicon esculentum | Fruit | 65.0 | 3637.0 | 0.3 | * |
| Macadamia spp | Seed | 2630.0 | 2705.0 | -1.2 | USDA's Ag Handbook 8 and sequelae) |
| Malus domestica | Fruit | 30.0 | 435.0 | -1.1 | * |
| Mangifera indica | Fruit | 190.0 | 2250.0 | -0.3 | * |
| Manihot esculenta | Root | 650.0 | 2065.0 | -0.5 | * |
| Medicago sativa | Plant | -- | -- | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. | |
| Melia azedarach | Seed | -- | -- | * | |
| Mentha x piperita | Leaf | 1540.0 | 7215.0 | -0.9 | USDA's Ag Handbook 8 and sequelae) |
| Mentha spicata | Leaf | 1350.0 | 9340.0 | -0.2 | * |
| Momordica charantia | Seed | -- | 17.8 | -1.8 | Jim Duke's personal files. |