|This is a lore summary, presenting intradiegetic or in-universe information about the subject. For game characteristics and similar data, consult the table on the right.|
A potent anti-radiation medicine that bolsters the user's natural radiation resistance. Taking it prior to exposure is recommended, as it can greatly reduce irradiation, particularly when combined with advanced radiation suits.
A dose of brightly colored, red-and-yellow pills.
A diluted version of Rad-X.
- Vault Dweller's Survival Guide p.5-18: "Rad-X is a preventive medication. Take Rad-X before exposure to radiation, and the total amount of radiation you receive will be reduced. Rad-X bolsters your bodies own Radiation Resistance. The stronger you are to start with, the more effective Rad-X will be."
- Fallout Official Survival Guide p.124: "Rad-X: A radiation prophylactic. Use this drug before you enter a radioactive area, and the total amount of radiation you receive will be reduced. Rad-X increases your body's natural Radiation Resistance."