生薬 (shōyaku) refers to medicinal herbs and natural substances used in traditional medicine, particularly in Chinese medicine and Japanese Kampo. These substances are derived from plants, minerals, and animal products, and are believed to have therapeutic properties that can help treat various ailments. In traditional practices, 生薬 is often prepared as decoctions, powders, or extracts. They are used individually or in combinations to create herbal formulas tailored to a patient's specific condition. The use of 生薬 emphasizes a holistic approach to health, focusing on restoring balance and promoting overall well-being.