What it is
Si Wu Tang (Four Substances) is a foundational Traditional Chinese Medicine formula, historically recognized for its blood-nourishing properties. It is specifically formulated to address hormonal imbalances in women.
Supplement · Hormonal Health
Si Wu Tang (Four Substances)
500 mg · vegan · gluten-free · 90 caps
irregular-menstrual-cycleslow-libidopremenstrual-syndrome reproductive systemliver
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How it works
This formula works by tonifying and invigorating blood, which in turn supports the endocrine and reproductive systems. It aims to regulate hormonal cycles and alleviate symptoms associated with blood stasis or deficiency.
Who should take it
Adults looking to address hormonal imbalance, low libido, irregular cycles. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
How long does it take to see results?
Hormonal shifts and symptom improvement with Si Wu Tang typically become measurable within 4 to 12 weeks of consistent daily use.
Can Si Wu Tang be taken with other supplements?
Yes, Si Wu Tang can be layered into a broader protocol. However, consult a clinician if you are taking medications that affect the endocrine or reproductive systems.
What are the main herbs in Si Wu Tang?
The four primary herbs are Angelica sinensis (Dang Gui), Rehmannia glutinosa (Shu Di Huang), Paeonia lactiflora (Bai Shao), and Ligusticum chuanxiong (Chuan Xiong).
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for hormonal balance
From the blog
Editorial notes
SacredBod's longer take on Si Wu Tang (Four Substances) — context the structured blocks above don't capture.
About Si Wu Tang (Four Substances)
Si Wu Tang (Four Substances) is a hormonal health supplement used to support hormonal balance. Classic blood-nourishing formula for women. It is available in tablet form and dosed for adults in India and internationally. As a tcm-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. Si Wu Tang (Four Substances) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the endocrine system, thyroid, reproductive system, and effects are dose-dependent, typically becoming measurable within 4-12 weeks for hormonal shifts. Consistency matters more than dose size for this category.
Evidence
Si Wu Tang (Four Substances) carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for hormonal balance. Classic blood-nourishing formula for women. Benefits are cumulative rather than immediate, typically becoming noticeable within 4-12 weeks for hormonal shifts, and individual response varies.
Dosing
A typical dose is 500 mg, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address hormonal imbalance, low libido, irregular cycles. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Hormonal Health category, Si Wu Tang (Four Substances) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
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