PLASMA-LYTE A Injection is a sterile, nonpyrogenic intravenous solution which does not contain bacteriostatic or antimicrobial agents or added buffers. It is a source of water for hydration and provides electrolytes.

Each 100 mL contains:
Sodium chloride USP: 526 mg
Sodium gluconate: 502 mg
Sodium acetate trihydrate USP: 368 mg
Potassium chloride USP: 37 mg
Magnesium chloride hexahydrate USP: 30 mg
pH: 7.4 (adjusted with sodium hydroxide)
Sodium: 140 mEq/L
Potassium: 5 mEq/L
Magnesium: 3 mEq/L
Chloride: 98 mEq/L
Acetate: 27 mEq/L
Gluconate: 23 mEq/L
Osmolarity: 294 mOsmol/L