Four-Substance Decoction is an effective TCM supplement crafted from four potent herbs to tonify and harmonize blood, restoring balance to both qi and blood. Those experiencing fatigue, debility, and dual deficiencies will find this formula helpful as it restores energy levels and promotes overall vitality. This formula supports well-being by revitalizing the body and helping it return to natural balance. This product description is based on the Taiwan Herbal Pharmacopeia 4th Edition and is provided for informational purposes only, not for self-diagnosis.