,

Superior calcium bioavailability of effervescent potassium calcium citrate over tablet formulation of calcium citrate after Roux-en-Y gastric bypass.

CONCLUSION: In patients who have undergone Roux-en-Y gastric bypass, PCC was superior to Citracal Petite in conferring bioavailable calcium and suppressing parathyroid hormone secretion. PCC also provided an alkali load.
PMID: 22222299 [PubMed – as supplied by publisher] (Source: Surgery for Obesity and Related Diseases : official journal of the American Society for Bariatric Surgery)