Acid-Base Balance in Healthy Adults: Beneficial Effects of Bicarbonate and Sodium-Rich Mineral Water in a Randomized Controlled Trial: The BicarboWater Study

Table 1

Mineral content and PRAL of the test products.

Mineral	Test product
	HBS mineral water	LBS mineral water
HCO3^− (mg/L)	4368	228
Na^+ (mg/L)	1708	8.4
Cl^− (mg/L)	322	11
SO4^2− (mg/L)	174	15
K^+ (mg/L)	110	2.3
Ca^2+ (mg/L)	90	67.5
Mg^2+ (mg/L)	11	6.9
P (mg/L)	0.0	0.0
PRAL (mEq/L)	−63.07	−0.89

HBS = high bicarbonate and sodium, LBS = low bicarbonate and sodium. PRAL = potential renal acid load according to the formula proposed by Wynn et al. [14]. Phosphate content below detection limit.