Personalized Ketosis Coffee Youth T-Shirt. Youth T-Shirt - Kelly Green for ketogenic dieters on a high fat low carb regimen says Ketosis You Had Me At Coffee. Perfect for LCHF advocates. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.