What it is
Da Qing Ye (Isatis Leaf) is a single-ingredient supplement derived from the leaf of the Isatis tinctoria plant. It is utilized in Traditional Chinese Medicine (TCM) for its properties related to clearing heat-toxin and reducing fever.
Supplement · Immune Advanced Protocols
Da Qing Ye (Isatis Leaf)
500 mg · vegan · gluten-free · 90 caps
frequent infectionslow-immunityslow-recovery immune systemlymphatic systemlungs
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How it works
Isatis leaf contains compounds like indoxyl and isatin, which are believed to exert antiviral and immunomodulatory effects. It is thought to inhibit viral replication and modulate inflammatory responses within the immune system.
Who should take it
Adults looking to address frequent infections, low immunity, slow recovery. 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 effects?
For immune resilience, effects are typically noticeable within 2-6 weeks of consistent use. Acute symptom relief may be faster.
Can I combine Da Qing Ye with other supplements?
Yes, it can be layered into broader protocols. Consult a healthcare professional for personalized stacking advice, especially if on medication.
What are the primary TCM indications for Da Qing Ye?
It is primarily indicated for epidemic febrile diseases, high fever, sore throat, and symptoms of 'heat-toxin' accumulation.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for immune resilience
From the blog
Editorial notes
SacredBod's longer take on Da Qing Ye (Isatis Leaf) — context the structured blocks above don't capture.
About Da Qing Ye (Isatis Leaf)
Da Qing Ye (Isatis Leaf) is a immune advanced protocols supplement used to support immune resilience. Isatis leaf for heat-toxin and high fever. It is available in capsule 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. Da Qing Ye (Isatis Leaf) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the immune system, lymphatic system, and effects are dose-dependent, typically becoming measurable within 2-6 weeks for immune resilience. Consistency matters more than dose size for this category.
Evidence
Da Qing Ye (Isatis Leaf) carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for immune resilience. Isatis leaf for heat-toxin and high fever. Benefits are cumulative rather than immediate, typically becoming noticeable within 2-6 weeks for immune resilience, 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 frequent infections, low immunity, slow recovery. 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 Immune Advanced Protocols category, Da Qing Ye (Isatis Leaf) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
Added to your stack.