Substance derived from ground-up Goa'uld symbiotes, responsible for maintaining the perfect health of the host body -- functioning as an alternate (and superior) immune system, like having a symbiote (but without the symbiote). The drug is administered with a tretonin injector. The drug was created by the Pangarans, who got 20 percent of their population dependent on the substance before realizing that it caused the user's immune system to cease to function. KEY EPISODE(S) - Cure - The Pangarans introduce tretonin to SG-1, and confess that they cannot live without it. The Tok'ra queen, Egeria, saves their lives by reversing their dependence on tretonin before she dies. The Changeling - Teal'c and Bra'tac lose their symbiotes, and are forced to rely on tretonin to sustain their lives. Stronghold - Baal baits Teal'c with his only supply of tretonin to bring him to accept the former System Lord's offer.  |
