Compound Profile
Tanshinone IIA
Tanshinone IIA is a Salvia miltiorrhiza diterpene with cardiovascular mechanistic relevance, but oral isolated human RCT evidence remains unresolved.
Last reviewed:
C PreliminaryMonograph visual
Tanshinone IIA
Generated profile category visual
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Quick Stats
Evidence level
Limited evidence
Typical onset
Varies by prep
Safety rating
Standard caution: Safety review pending
Best for
Platelet/Endothelial Pathways
Found In
Botanicals that contain Tanshinone IIA, with full herb profiles.
Safety & Cautions
Route/formulation matters; most human evidence is not clean oral isolated compound evidence.
Evidence Summary
C PreliminaryEvidence lens
Early signal that needs stronger human replication before practical claims.
PreliminaryLimited evidence
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Vascular Function Support · Endothelial Function Support · Nrf2/Antioxidant Pathway Activation
Research maturity: Preliminary or mixed — main contexts: Platelet/Endothelial Pathways
Safety boundary: Safety note available — Route/formulation matters; most human evidence is not clean oral isolated compound evidence.
Evidence Strength
Confidence estimate based on the design quality and consistency of published clinical trials.
Tanshinone IIA has a limited evidence evidence rating.
Inflammation SupportLongevity
Effects
1
How evidence grades work
Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.
A
Strong
Multiple RCTs, consistent direction, adequate effect size
B
Moderate
Some RCTs or consistent observational data in humans
C
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
D
Traditional / Theoretical
Traditional use only; no controlled human trials
How Tanshinone IIA Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Tanshinone IIA Works
CompoundTarget / ReceptorMechanismEffect / Outcome
Mechanisms & Biological Pathways▼
Preclinical mechanism details from scientific profiles; these represent plausible pathways but do not guarantee clinical efficacy in humans.
Vascular Function SupportEndothelial Function SupportNrf2/Antioxidant Pathway ActivationAnti Inflammatory Signaling
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Review available sources for Tanshinone IIA
Independent database mapping — evaluated separately from safety and efficacy scores.
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Related alternatives
Herbs for similar conditions
Tradeoffs
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Safety first · Harm reduction
This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.
Learn how we evaluate confidence, safety, and intensity on the methodology page.
Editorial Review
Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.
Compound profile context
How to interpret Tanshinone IIA
Tanshinone IIA dosage by use case, onset and duration, safety limits, and interactions for platelet/endothelial pathways, graded against research. Limited… Use this compound profile to understand mechanism, evidence quality, and practical safety context before comparing products or building a stack. A biochemical pathway connection can be useful for discovery, but it is not the same as proven benefit in humans.
When reviewing Tanshinone IIA, separate the active molecule from the product category around it. Dose form, absorption, extract standardization, medication interactions, and individual sensitivity can change the real-world risk-benefit picture.
For supplement planning, avoid combining multiple compounds with overlapping sedating, stimulating, serotonergic, blood-pressure, anticoagulant, or liver-metabolism effects unless a qualified clinician has reviewed the context.