Efficacy and Effects of Guizhi Fuling Capsules
Generally, Guizhi Fuling Capsules are a blood-regulating agent, commonly used for promoting blood circulation and removing blood stasis, regulating endocrine function, exerting anti-inflammatory and analgesic effects, improving microcirculation, and treating menstrual disorders. If any discomfort occurs, patients should seek medical attention immediately and take Guizhi Fuling Capsules only under the guidance of a physician. A detailed analysis is as follows:

1. Promoting Blood Circulation and Removing Blood Stasis
Guizhi Fuling Capsules possess the effect of promoting blood circulation and resolving blood stasis. One of its principal ingredients—Ramulus Cinnamomi (Guizhi)—helps unblock meridians and collaterals. Moreover, Ramulus Cinnamomi and Cortex Moutan (Mudanpi) contain active constituents such as cinnamaldehyde and paeonol, which significantly inhibit platelet aggregation and effectively reduce whole-blood viscosity—thereby contributing to improved blood circulation and resolution of stasis.
2. Regulating Endocrine Function
Guizhi Fuling Capsules exhibit mild anti-estrogenic activity and help regulate the female endocrine system. They bidirectionally modulate uterine smooth muscle activity, regulate the body’s immune system, enhance immune function, and exert antitumor effects.
3. Anti-inflammatory and Analgesic Effects
These effects are achieved by inhibiting the release of inflammatory mediators and modulating the function of immune cells. Concurrently, by improving blood circulation, the capsules alleviate pain caused by blood stasis and inflammation.
4. Improving Microcirculation
The capsules promote vasodilation—particularly in microvascular vessels. Their active components act on vascular smooth muscle, inducing relaxation, increasing tissue perfusion, and thereby enhancing nutrient delivery and facilitating the removal of metabolic waste products.
5. Treating Menstrual Disorders
Guizhi Fuling Capsules reduce blood viscosity and inhibit platelet aggregation. Not only do they improve blood flow, but they also markedly suppress oxytocin-induced uterine contractions that compress intramuscular vessels—thus ensuring adequate uterine blood supply, which supports embryo implantation and development.
During treatment, patients should avoid consuming raw, cold, greasy, or spicy foods, as these may impair drug absorption and efficacy, and potentially exacerbate blood stasis and inflammation within the body.