Bismuth

Antacid—Bismuth has weak antacid properties.

Absorption:

Following oral administration, absorption of the salicylate component from the small intestine is generally rapid and complete (>90%). In contrast to the salicylate, the amount of bismuth absorbed is negligible(99% of the bismuth present in an oral dose); renal.
Salicylate—Renal (primarily excreted as free salicylic acid and conjugated metabolites).