Lactide is the midbody for the preparation of poly(lactic acid), the ratio of lactic acid to lactide is low and hamper the extensive application of PLA.
There are environmentally friendly alternatives like polylactic acid plastic, or PLA, based on sugar from maize and sugarcane -- but they are more expensive.
They have a huge variety of PLA and PTG filaments that you can choose from, and you can also print multiple materials and colors within one print job if you want.