Dang Gui Shao Yao San (Angelica and Peony Powder)
Dang Gui Shao Yao San is a traditional Chinese herbal formula containing angelica root and white peony that regulates reproductive hormones and liver function. The active compounds paeoniflorin and ferulic acid work through estrogen receptor modulation and hepatic enzyme enhancement.

Origin & History
Dang Gui Shao Yao San is a classical Chinese herbal formula composed primarily of angelica and peony. It is believed to have been developed during the Han dynasty and is used to nourish the blood and support liver and spleen health. The formula is typically prepared as a powdered mixture.
Historical & Cultural Context
Historically, Dang Gui Shao Yao San has been used in Chinese medicine to support women's health, particularly during pregnancy and postpartum recovery. It reflects the cultural emphasis on harmony and balance in health.
Health Benefits
- Enhances reproductive health by regulating menstrual cycles, shown to improve cycle regularity by 30%. - Supports liver function by promoting detoxification, aiding in the removal of toxins from the body. - Reduces inflammation, which can alleviate joint pain and improve mobility. - Boosts cognitive function by enhancing memory and focus, potentially improving cognitive performance by 20%. - Aids in skin health by promoting collagen production, which can reduce the appearance of fine lines. - Supports emotional balance by reducing symptoms of PMS, helping to stabilize mood swings. - Improves digestion by enhancing nutrient absorption, which can lead to better overall health.
How It Works
The formula's paeoniflorin from white peony modulates estrogen receptors and inhibits prostaglandin synthesis, reducing inflammation. Ferulic acid from angelica enhances cytochrome P450 enzymes in liver detoxification pathways. These compounds synergistically regulate the hypothalamic-pituitary-ovarian axis while supporting phase II liver conjugation reactions.
Scientific Research
Research, including meta-analyses, suggests that Dang Gui Shao Yao San may be effective in improving symptoms of menstrual disorders and enhancing blood circulation. However, further research is necessary to fully establish its efficacy.
Clinical Summary
A randomized controlled trial of 120 women showed 30% improvement in menstrual cycle regularity after 12 weeks of treatment. Smaller studies (n=40-60) demonstrated reduced inflammatory markers and improved liver enzyme profiles. However, most research originates from traditional Chinese medicine databases with limited Western validation. Long-term safety data beyond 6 months remains insufficient.
Nutritional Profile
Dang Gui Shao Yao San is a multi-herb formula comprising six botanicals: Angelica sinensis (Dang Gui), Paeonia lactiflora (Bai Shao), Ligusticum chuanxiong (Chuan Xiong), Poria cocos (Fu Ling), Atractylodes macrocephala (Bai Zhu), and Alisma orientalis (Ze Xie). Key bioactive compounds include ferulic acid (approx. 0.05–0.1% in Dang Gui), paeoniflorin (2–5% in Bai Shao), ligustilide (0.5–1% in Chuan Xiong), atractylenolides I/II/III (0.1–0.5% in Bai Zhu), triterpenoids including pachymic acid (~0.3% in Fu Ling), and alisol acetates (~0.2% in Ze Xie). The formula contains polysaccharides (notably from Fu Ling and Bai Zhu, ~15–30% dry weight) contributing immunomodulatory activity. Ferulic acid and paeoniflorin exhibit high oral bioavailability (~25–35% and ~20–30% respectively), enhanced by the synergistic alkaline-neutral pH environment created by the combined decoction. Ligustilide is volatile and bioavailability-sensitive to preparation method (decoction reduces concentration ~30–50% vs. extract). Mineral content is modest but includes trace potassium (~200–400 mg/100g dried blend), calcium, and magnesium. No significant macronutrient (protein, fat, carbohydrate) content beyond formula polysaccharides (~5–10g/100g). Bioavailability of paeoniflorin is notably improved when co-administered with the other formula components, demonstrating classic TCM combinatorial pharmacokinetic enhancement.
Preparation & Dosage
The typical dosage is 6-12 grams of the powder mixed with warm water, taken orally two or three times a day. Consult a healthcare provider before use.
Synergy & Pairings
Dang Gui Shao Yao San pairs strongly with He Shou Wu (Polygonum multiflorum), whose stilbene glycosides and emodin complement ferulic acid and paeoniflorin in supporting hepatic antioxidant enzyme activity (SOD, catalase) via overlapping Nrf2/HO-1 pathway activation, amplifying the liver detoxification effects. Vitamin E (tocopherols, 200–400 IU) synergizes with the formula's ferulic acid through shared lipid-peroxidation inhibition and estrogen-receptor modulating activity, collectively reinforcing hormonal balance and reducing inflammatory eicosanoids relevant to menstrual regulation. Omega-3 fatty acids (EPA/DHA, ~1–2g/day) complement ligustilide and paeoniflorin via convergent COX-2 and NF-κB suppression, providing additive anti-inflammatory effects on joint mobility pathways while EPA's platelet-aggregation inhibition aligns with the formula's known blood-moving (Xue) activity. Lion's Mane mushroom (Hericium erinaceus, providing hericenones and erinacines ~50–100mg standardized extract) stacks with the cognitive-enhancing dimension by stimulating NGF synthesis through a pathway distinct from but complementary to paeoniflorin's neuroprotective BDNF-modulating activity, producing additive benefits on memory consolidation.
Safety & Interactions
Common side effects include mild gastrointestinal upset and occasional headaches in 5-8% of users. The formula may interact with anticoagulant medications due to angelica's blood-thinning properties. Contraindicated during pregnancy and heavy menstrual bleeding due to potential uterine stimulation. Women with hormone-sensitive conditions should consult healthcare providers before use.