the.com/casein
the protein that builds muscle while you sleep and glue while you're not looking
slow releaseDigests for hours, drip-feeding amino acids overnight
actual glueOld wood glues and labels were made from it
makes plasticCasein hardened into buttons and jewelry for decades
milk's majorityAbout 80 percent of cow milk protein
curd makerForms the solid clumps that become cheese