In addition, caffeine causes an increase in calcium excretion in the urine. (nutritionfacts.org)
Feeding protein to subjects resulted in increased calcium excretion in the urine. (theveganrd.com)
The effects of a two - year randomised controlled trial of whey protein supplementation on bone structure, IGF - I and urinary calcium excretion in older postmenopausal women. (thinkusadairy.org)