I had british dragon avanar, it said 50 and was orange with a line going down through it (pic) it did not have a "chalky" taste but did have the lightest sweet taste to it and was a compact powder inside the pill but what you consider chalky and what i consider chalky may be different
i couldnt get the pics to upload but its orange, square, size is like half of a pez (width and thick) taste is like artificial sweetner barely sweet though almost not noticeable