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| Substance | 540 | An Object in which every part is similar to every other in every relevant respect. More precisely... | ^ |
| BiologicallyActiveSubstance | 160 | A Substance that is capable of inducing a change in the structure or functioning of an Organism... | ^ |
| BiochemicalAgent | 47 | A BiologicalAgent or a ChemicalAgent. | ^ |
| Toxin | 14 | BiologicalAgents that are a toxic BiologicallyActiveSubstance produced by an Organism or that... | ^ |
| ChemicalAgent | 26 | Synthetic compounds that are not an analogue of anything occurring naturally and that can result in... | ^ |
| Dimercaprol | . | A chelating agent often used to treat Lewisite, as well as Lead Poisoning. | ^ |
| Vaccine | . | | ^ |
| Atropine | . | An anticholinergic agent. | ^ |
| PyridostigmineBromide | . | A substance that has been shown to protect lower primates from the lethal effects of Soman. Altho... | ^ |
| CSGas | . | 2-chlorobenzalmalononitrile (chemical formula: C10H5ClN2) is a substance that is used as a riot con... | ^ |
| Steroid | 3 | A class of OrganicCompounds having the same basic chemical structure and having significant physi... | ^ |
| Poison | 1 | Any BiologicallyActiveSubstance that causes Damaging to an Organism when Ingesting it. | ^ |
| Alkaloid | . | A ChemicalBase found in Plants that has physiological and psychological effects. | ^ |
| Medicine | 7 | Any BiologicallyActiveSubstance which has a therapeutic effect under certain conditions. | ^ |
| Stimulant | 3 | Any BiologicallyActiveSubstance which has the effect of stimulating the central nervous system, i... | ^ |
| Depressant | 27 | Any BiologicallyActiveSubstance which has the effect of depressing the central nervous system, i.... | ^ |
| Opium | . | A substance harvested from the seed capsules of the opium poppy that contains various powerful alka... | ^ |
| Antibiotic | 7 | A BiologicallyActiveSubstance than can kill instances of Bacterium. | ^ |
| Antiparasitic | . | A BiologicallyActiveSubstance than can kill instances of Parasite. | ^ |
| Antidepressant | . | A medicine to combat Depression. | ^ |
| MoodStabilizer | . | A mood stabilizer is a psychiatric medication used to treat mood disorders characterized by intense... | ^ |
| Antigen | 2 | Any BiologicallyActiveSubstance that has the capacity to stimulate the production of Antibodies... | ^ |
| Antihistamine | . | Antihistamines are drugs which treat hay fever and other allergies. Typically, people take antihist... | ^ |
| Antacid | . | An antacid is a substance which neutralizes stomach acidity and is used to relieve heartburn, indig... | ^ |
| Diuretic | 2 | A diuretic is any substance that promotes diuresis, the increased production of urine. This include... | ^ |
| Antidiuretic | . | An antidiuretic, such as vasopressin (antidiuretic hormone), is an agent or drug which reduces the ... | ^ |
| AdenosineTriphosphate | . | Adenosine triphosphate (ATP) is an organic compound and hydrotrope that provides energy to drive ma... | ^ |
| Nutrient | 25 | A BiologicallyActiveSubstance required by an Organism. It is generally ingested as Food, and ... | ^ |
| Hormone | 5 | In Animals, a chemical secreted by an endocrine gland whose products are released into the circul... | ^ |
| ControlledSubstance | 14 | ControlledSubstance is the subclass of BiologicallyActiveSubstances whose distribution and use ... | ^ |
| Pyrethrum | . | Pyrethrum is the subclass of BiologicallyActiveSubstance consisting of insecticidal derivations... | ^ |
