蛋白質｜牛扒隱藏高卡陷阱？補充蛋白質原來可以食牛𦟌

減肥人士要做有氧運動，抑或健身人士負重增肌，除了適當的運動，其實食物起到決定性作用。其中吃肉是補充蛋白質的最佳選擇，除了雞胸，不少人會選擇牛肉。不同種類、不同部位的牛肉卡路里和蛋白質略有差異，一起了解一下哪款牛肉低卡又富含蛋白質！

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