A yoga block in the preferred embodiment of the present invention is a prism-shaped triangular block that provides a stable and solid base on all sides, horizontally and vertically, and is equipped with ergonomically placed hand grooves and multiple level hand slots for tailored use. A yoga block that is prism-shaped and triangular can benefit beginners and advanced yoga practitioners alike in the journey to refine their practice through safe and proper alignment various yoga postures. Furthermore, the present invention in the preferred embodiment is enhanced with large slots at differing height levels, which allows for easy and accurate tracking of improvement and personal goals, creating a truly multi-functional, cost-efficient item for manufacture. A yoga block in the preferred embodiment is preferably composed of lightweight yet sturdy materials such as: foam, cork, or natural wood, but is in no way limited to these suggested materials.