Table 1.

Timing and Dosages of the Three Ingestion Protocols

Time		Placebo	AcuteSB	ModSB
− 24 h	Baseline blood draw
− 19.5 h	Dose 1	110 mg•kg− 1 CaCO3	110 mg•kg− 1 CaCO3	110 mg•kg− 1 NaHCO3
− 11.5 h	Dose 2	130 mg•kg− 1 CaCO3	130 mg•kg− 1 CaCO3	130 mg•kg− 1 NaHCO3
−4.5 h	Dose 3	160 mg•kg− 1 CaCO3	160 mg•kg− 1 CaCO3	160 mg•kg− 1 NaHCO3
- 1.5 h	Dose 4	200 mg•kg− 1 CaCO3	300 mg•kg− 1 NaHCO3	200 mg•kg− 1 NaHCO3
0	Post-ingestion blood draw

AcuteSB: Acute sodium bicarbonate ingestion

ModSB: Modified sodium bicarbonate ingestion