From: Mineral water intake reduces blood pressure among subjects with low urinary magnesium and calcium levels
Water
n
Before
After
p
Magnesium
A
18
0.25 (0.08)
0.26 (0.07)
B
0.28 (0.06)
0.34 (0.09)
0.009
C
19
0.30 (0.07)
0.35 (0.09)
0.019
Calcium
0.40 (0.22)
0.35 (0.40)
0.33 (0.12)
0.34 (0.13)
0.38 (0.16)