The guidebook contains scientific references. You will find these in the notes through the text, and click on the backlinks to go through the peer-reviewed scientific papers. 限制食用糖含量较高的食品和饮料，如含糖零食、糖果和含糖饮料（即各类含有游离糖的饮料——包括碳酸或非碳酸软饮料、水果或蔬菜汁和饮料、液体和粉末浓缩物、加味水、能量和运动饮料、即饮茶、即饮咖啡和加味乳饮料等）； It happ... https://howmuchsugarcanueatonketo94900.ssnblog.com/33061823/the-2-minute-rule-for-how-much-sugar-can-i-take-on-keto