What does Asarum Canadense Extract do?

Historically used in folk medicine for coughs and fevers. We now know it contains a toxin that can cause irreversible kidney damage and cancer of the urinary tract.

Is Asarum Canadense Extract worth taking?

No. One of the few supplements that should be actively avoided by everyone. The risk of permanent harm is real and well-documented.

How much Asarum Canadense Extract should I take?

Zero. None. There is no safe dose of a known carcinogen. Any product containing it is a risk.

How long does Asarum Canadense Extract take to work?

Nothing registers at the time. Aristolochic acid, which Asarum species carry, produces no sensation, so intake is judged on the chemistry rather than on how a day feels.

What happens when you first take Asarum Canadense Extract?

Nothing. That's the scary part. The damage is silent and builds up over time.

What does Asarum Canadense Extract do with regular use?

Potential for end-stage renal disease (kidney failure) and urothelial cancer. This isn't a theoretical risk; it's a documented outcome.

Is Asarum Canadense Extract well tolerated?

Unsafe for human consumption. Banned or heavily restricted in numerous countries for a reason. Avoid it completely.

What does Asarum Canadense Extract feel like?

You feel nothing. Then, years later, you might feel the devastating effects of kidney failure. Don't play that game.

What is the overlooked benefit of Asarum Canadense Extract?

The useful thing here is a sourcing one. Several plants sold as wild ginger sit in the Aristolochiaceae family, and a botanical identity check on a certificate is what separates them.

But isn't it natural?

Natural doesn't mean safe. Arsenic and poison ivy are natural, too. This is a plant you should avoid.

Can't they remove the toxic part?

Not reliably in an unregulated supplement market. The entire plant contains the toxin, so the only safe option is to avoid it entirely.

What's a safe alternative for a cough?

Plenty of things that don't risk your kidneys. Try honey, zinc lozenges, or standard over-the-counter cough medicine.

Asarum Canadense Extract

All ingredients

Ingredients/Herb/Asarum Canadense Extract

Asarum Canadense Extract.

Read pending.Asarum Canadense Extract is in the library; the clinical read is in the queue.

Research-backed herb with potential health benefits. Historically used in folk medicine for coughs and fevers.

200 to 500mgDaily amount

Reviewed March 2026

Herb

Asarum Canadense ExtractIngredientMD

Category: Herb

What Asarum Canadense Extract is, and what it does.

Does it work: No. One of the few supplements that should be actively avoided by everyone. The risk of permanent harm is real and well-documented.
How much to take: Zero. None. There is no safe dose of a known carcinogen. Any product containing it is a risk.
Time to feel it: Nothing registers at the time. Aristolochic acid, which Asarum species carry, produces no sensation, so intake is judged on the chemistry rather than on how a day feels.
The first dose: Nothing. That's the scary part. The damage is silent and builds up over time.
With regular use: This isn't a theoretical risk; it's a documented outcome.
How well tolerated: Unsafe for human consumption. Banned or heavily restricted in numerous countries for a reason. Avoid it completely.
How it feels: You feel nothing. Then, years later, you might feel the devastating effects of kidney failure. Don't play that game.
The overlooked benefit: The useful thing here is a sourcing one. Several plants sold as wild ginger sit in the Aristolochiaceae family, and a botanical identity check on a certificate is what separates them.

200 to 500mg a day is where Asarum Canadense Extract works.

How much to take a dayLimited data

200 to 500mg

Daily maintenanceThe everyday amount, and where most daily supplements sit. This is the one you take month after month.

1,000mgClinical territory. Trials run high on purpose, for a set number of weeks, against one measured outcome. Impressive to hit, and not what a daily product is for.

Above 1,500mgPast what the research covers. More capsules rather than more effect.

The shaded band is where the dosing trials landed.

Source: Native American ethnobotany; limited modern research

The proof, claim by claim.

These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.

Read pending.

Asarum Canadense Extract is documented in the library; the clinical read is in the queue. Nothing about the strength of the research prints until the read is done.

aristolochic acid content of Asarum speciesNarrative review
documented organ toxicity of aristolochic acid exposureCohort study
historical folk use of the rhizome as an aromatic bitterNarrative review

PubMedCochraneClinicalTrials.govNIH ODSSUPP.AILabs test. IngredientMD verifies.PubMedCochraneClinicalTrials.govNIH ODSSUPP.AILabs test. IngredientMD verifies.

Questions people ask about Asarum Canadense Extract.

But isn't it natural?: Natural doesn't mean safe. Arsenic and poison ivy are natural, too. This is a plant you should avoid.
Can't they remove the toxic part?: Not reliably in an unregulated supplement market. The entire plant contains the toxin, so the only safe option is to avoid it entirely.
What's a safe alternative for a cough?: Plenty of things that don't risk your kidneys. Try honey, zinc lozenges, or standard over-the-counter cough medicine.
How would I know if it was causing damage?: You probably wouldn't until it's advanced. The damage is often silent. Regular blood tests for kidney function might catch it, but prevention is better.
Is it the same as the ginger I buy at the store?: No, not at all. They are completely unrelated plants. Culinary ginger (Zingiber officinale) is well tolerated and healthy.

No pairing data for Asarum Canadense Extract yet.

Nothing on file for Asarum Canadense Extract, either from a combination trial or from settled biochemistry. When either lands, it appears here with its source.

No pairing for Asarum Canadense Extract has cleared review yet.

Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.

No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.

Research strength. Research strength says how much work stands behind the combination. It is never a product score.

Independent record. Every finding is cited to a named trial, dated, and never written by the brand.

21 pairings are live across the library today. Checked 9 August 2026.

Who should be cautious

Nothing specific on file for Asarum Canadense Extract. Match the label to the daily amount above, and tell your doctor what you take.

Not medical advice. Show the label to your pharmacist.

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.