Konnyaku (Konjac)
vegetable
Amorphophallus konjac, commonly known as juruo, konnyaku or konjac, or moyu, is a species of flowering plant in the family Araceae. In English, it is also referred to as devil's tongue, voodoo lily, snake palm, or elephant yam.
Conditions addressed
How to use
- Eat steamed, roasted, stir-fried, or raw in salads.
- Lightly cooking increases digestibility.
Pregnancy, Breastfeeding & Children
No herb-specific pregnancy/child safety research is documented for Konnyaku (Konjac) in our references — the guidance below is based on its general effect category, not research on Konnyaku (Konjac) itself. Always confirm with a midwife, doctor, or pediatrician.
Pregnancy
AvoidThis herb is associated with stimulant activity, which can raise heart rate and blood pressure — generally best avoided or strictly limited in pregnancy. This is a general, mechanism-based caution, not herb-specific research.
Breastfeeding
Use CautionStimulant compounds pass into breast milk and can cause infant irritability or poor sleep — generally used cautiously and in moderation.
Children
AvoidStimulant effects on the developing cardiovascular and nervous system mean these herbs are generally avoided in children.
Interactions & contraindications
May thin the blood
Watch for: Anticoagulants (warfarin), antiplatelets (aspirin, clopidogrel), and other blood-thinning herbs or supplements (ginkgo, garlic, fish oil, vitamin E)
Combining blood-thinning substances can increase bleeding risk, including before surgery or dental work.
May affect blood sugar
Watch for: Insulin and oral diabetes medications (metformin, sulfonylureas)
Additive blood-sugar-lowering effects can risk hypoglycemia — monitor glucose closely.
May have a stimulant effect
Watch for: Other caffeine-containing products, MAOIs, and stimulant medications (for ADHD or weight loss)
Additive stimulant effects can raise heart rate and blood pressure.
May affect drug absorption
Watch for: Any oral medication taken around the same time
High-fiber or mucilage-rich herbs can slow or reduce how much of another oral drug is absorbed — space doses a couple of hours apart.