Needlepoint thread is designed to fill the open weave of canvas, not pierce fabric like sewing thread. The type of thread you choose affects coverage, texture, and how forgiving your stitches will be.
For beginners, we often suggest a silk and wool blend. These threads combine the softness and coverage of wool with a touch of silk for smoothness and subtle shine. They stitch easily, cover the canvas well, and help hide small tension inconsistencies while you are learning. The key is matching the thickness of your thread to your canvas mesh so your stitches look full without overcrowding the holes.