Gruyere cheese made in Switzerland, Sir.

干酪是在瑞士做的，先生。

Foods high in tryptophan include: Milk, eggs, meat, nuts, beans, fish, and cheese. Cheddar, Gruyere, and Swiss cheese are particularly rich in tryptophan.

富含色氨酸包括：牛奶，蛋类，肉类，坚果，豆类，鱼，芝士，干酪，瑞士格里尔干奶酪，尤其是瑞士芝士色氨酸含量特别高。