The short answer
Have Asclepias tuberosa checked before taking it with pindolol. The exact interaction is unproven, and root chemistry cannot be assumed to match every aerial-part or commercial preparation.
What this answer covers
Oral pindolol with the exact supplement preparation described below.
- Supplement or preparation
- Asclepias tuberosa
- Medication ingredient
- pindolol
Roots contain compounds that deserve attention
A chemical study identified cardenolide glycosides in Asclepias tuberosa roots. This makes the plant part important, but laboratory isolation does not tell us how much reaches the body from a particular product.
A different plant part means different evidence
A separate study characterized steroidal glycosides from the aerial parts. Those results cannot authenticate a root extract, prove it safe or establish the same exposure as a prescribed cardiac glycoside.
The clinical combination remains uncertain
The reviewed sources did not establish how this exact product changes pindolol absorption or clinical effects. No dose or spacing interval was validated. Product review is more useful than treating a theoretical mechanism as a measured interaction.
Keep the prescribed treatment plan
Do not stop pindolol abruptly or adjust the dose to compensate for a supplement. Bring the product label and your recent blood-pressure and pulse readings to your pharmacist or prescriber so any change can be assessed in context.
Evidence and practical considerations
Side effects & toxicity
Have Asclepias tuberosa checked before taking it with pindolol. The exact interaction is unproven, and root chemistry cannot be assumed to match every aerial-part or commercial preparation.
- Exact scope
- Oral pindolol with the exact supplement preparation described below. with Oral pindolol; intravenous cases are identified as indirect route evidence where discussed.
- Medication form and route
- oral
What remains uncertain
- Exact plant root chemistry is not a clinical beta-blocker interaction. Aerial-part composition differs; no exact efficacy-loss, toxicity rate or protective interval established.
Factors that may matter: Exact ingredient and preparation; Kidney function and clinical indication; Concomitant medicines.
Read the supporting source summaries
Source 1: Current U.S. regulatory product labeling
dailymed.nlm.nih.gov · Source check Sep 10, 2026
Population: Patients prescribed oral pindolol.
Pindolol is rapidly absorbed, with renal excretion and metabolism. Food does not significantly change bioavailability. Hypotension and bradycardia precautions apply.
How this applies: Exact active-ingredient and oral-route context.
Label omission of an herb does not prove safety. No invented exact supplement interaction rate or universal spacing rule.
Source 2: Original phytochemical study
pubmed.ncbi.nlm.nih.gov · Source check Sep 10, 2026
Population: Laboratory chemical analysis of Asclepias tuberosa roots.
Investigators isolated multiple cardenolide glycosides.
How this applies: Root-specific chemistry supports caution about identity without inventing an interaction.
Chemical identification does not establish human toxicity, clinical beta-blocker co-use or a safe amount. Root PDF is image-only; original abstract inspected.
Source 3: Original phytochemical study
pubmed.ncbi.nlm.nih.gov · Source check Sep 10, 2026
Population: Laboratory analysis of Asclepias tuberosa aerial parts.
Different steroidal glycosides were characterized; the paper distinguishes the material from traditional root use.
How this applies: Shows why plant part must be specified.
Aerial extracts and roots are not interchangeable. No human medication interaction experiment or negative safety proof.
Research assessment: · Open full citations ↗
Review and change history
- Publication status
- Published research summary
- Clinical review
- Not yet recorded
| Date | Update |
|---|---|
| Article prepared | |
| Initial source-checked research draft with exact preparation limits, contrary findings and source-access details. Clinical review not recorded. | |
| Research summary published |
Article revision: ffb6328dae2a2f14
This guide brings together the evidence records used by our interaction checker. Each finding retains its own preparation limits, research date, and source summaries.
Full citations require verification. Reading this answer and the source summaries does not.
Taking other supplements or medications?
Use the checker to explore your other combinations. Ask a pharmacist to review the exact products, amounts and medical conditions in your complete list.
Open the interaction checkerInformation, not medical advice. Do not change prescribed treatment based on this guide.