Table 2

Serum bone turnover markers

Silicon-rich Water

Purified Water

Screen

Baseline

Week 12

Screen

Baseline

Week 12

Calcium (mg/L)

94.3 ± 1.4

93.7 ± 3.4

92.6 ± 3.4

94.7 ± 3.5

94.0 ± 3.9

93.3 ± 3.4

Bone specific Alk Phos (mcg/L)

13.9 ± 4.3

13.4 ± 4.1

13.0 ± 3.4

13.6 ± 13.4

14.5 ± 3.0

13.3 ± 3.4

Osteocalcin (ng/mL)

21.4 ± 8.0

18.0 ± 6.7

20.3 ± 6.8

20.7 ± 6.3

15.1 ± 4.0

17.7 ± 5.0

Procollagen t1 propeptide (μg/L)

62.3 ± 31.4

62.6 ± 28.3

55.8 ± 21.8

46.7 ± 22.1

57.6 ± 14.7

56.0 ± 19.1

PTH intact (pg/mL)

39.0 ± 9.6

33.3 ± 10.9

37.4 ± 12.2

38.4 ± 12.4

37.3 ± 15.4

44.1 ± 21.6

Vitamin D, 25 hydroxy (ng/mL)

29.2 ± 12.6

27.8 ± 10.4

27.0 ± 8.1

23.1 ± 8.2

23.5 ± 7.1

27.9 ± 11.1

Values are listed as mean ± SD.

Li et al. Nutrition Journal 2010 9:44   doi:10.1186/1475-2891-9-44