The invention relates to additive-free low-GI kale fruit and vegetable juice and a preparation method thereof.The additive-free low-GI kale fruit and vegetable juice is prepared from, by weight, 7%-9% of seed melon juice, 0.4%-0.6% of yellow
lemon juice, 1%-2% of concentrated white
gourd juice, 2%-4% of concentrated apple juice, 5%-7% of
cucumber juice, 19%-21% of chayote juice, 7%-9% of kale juice, 5%-7% of
spinach juice, 20%-22% of mint juice and 6%-8% of parsley juice. And the
balance water. According to the invention, various food additives are completely abandoned, the vegetable content of the prepared product is as high as 80% or above, and the finished product is dark green in color, fresh and harmonious in
flavor, good in stability, low in
sugar, low in
calorie and low in GI, and can meet the core requirements of
crowds at the early stage of
diabetes mellitus, consumers who control
calorie and low-carbon dieters only by scientifically proportioning the natural fruit and vegetable puree and improving the process.