每100g黃瓜含碳水化合物3.63g，脂肪0.11g，蛋白質0.65g，纖維素0.5g。
黃瓜肉脆嫩，汁甜，生食解渴，有特殊香味。黃瓜的含水量為98%，富含蛋白質、糖、維生素B2、維生素C、維生素E、胡蘿蔔素、煙酸、鈣、磷、鐵等營養成分。
黃瓜含有維生素B1，有利於改善大腦和神經系統的功能，安神。
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