Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.

Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.

Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.

Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.

Active ingredient refers to the main chemical in a drug that possesses the property to A. cause a toxic reaction. B. enter the gastrointestinal tract. C. enter the plasma. D. treat disease.