Naturopathica Sweet Birch Magnesium Bath Flakes promote a therapeutic soak. The calming blend of sweet birch and magnesium helps to relieve stiff joints, sore muscles, and even cramps. Sweet birch oil can uplift and re-energize the body, while magnesium helps provide a sense of well-being. These bath flakes may provide therapeutic benefits for symptoms such as chronic muscle aches, cramping, or stiffness.