| Vitamin B Complex Compounds | Not Available | 0 | 0 | Details |
| Vitamin B12 and Folic Acid | Not Available | 5 | 42 | Details |
| Vitamin C and analogues | A six carbon compound related to glucose. It is found naturally in citrus fruits and ma... more | 7 | 45 | Details |
| Vitamin D and Analogues | A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the commo... more | 26 | 62 | Details |
| Vitamin E | A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL... more | 10 | 99 | Details |
| Vitamin E, analogs & derivatives | Not Available | 2 | 28 | Details |
| Vitamin K | A lipid cofactor that is required for normal blood clotting. Several forms of vitamin K... more | 7 | 48 | Details |
| Vitamin K 2 | Not Available | 2 | 5 | Details |
| Vitamin K Antagonists | Not Available | 14 | 67 | Details |
| Vitamin K Inhibitors | Not Available | 2 | 16 | Details |
| Vitamins | Organic substances that are required in small amounts for maintenance and growth, but w... more | 107 | 808 | Details |
| Vitamins (Fat Soluble) | Not Available | 50 | 289 | Details |
| Vitreous Body | Not Available | 0 | 0 | Details |
| Voltage-Gated Sodium Channel Blockers | A class of drugs that inhibit the activation of VOLTAGE-GATED SODIUM CHANNELS. | 22 | 268 | Details |
| von Willebrand Factor | Not Available | 3 | 12 | Details |
| von Willebrand Factor (vWF)-directed Antibodies | Not Available | 1 | 1 | Details |
| von Willebrand Factor, antagonists & inhibitors | Not Available | 2 | 7 | Details |
| Wakefulness-Promoting Agents | A specific category of drugs that prevent sleepiness by specifically targeting sleep-me... more | 5 | 32 | Details |
| Warfarin Reversal Agent | Not Available | 1 | 12 | Details |
| Water | A clear, odorless, tasteless liquid that is essential for most animal and plant life an... more | 1 | 2 | Details |
| Water Pollutants | Substances or organisms which pollute the water or bodies of water. Use for water pollu... more | 1 | 3 | Details |
| Water Pollutants, Chemical | Liquid produced when water percolates through landfill waste. | 2 | 4 | Details |
| Watersoluble, Hepatotropic X-Ray Contrast Media | Not Available | 9 | 8 | Details |
| Watersoluble, Nephrotropic, High Osmolar X-Ray Contrast Media | Not Available | 10 | 9 | Details |
| Watersoluble, Nephrotropic, Low Osmolar X-Ray Contrast Media | Not Available | 12 | 9 | Details |