Nymphaea nouchali
Evidence: MixedUseful mainly for no established human supplement use; traditional and preclinical interest only.
Quick decision guide
May help most
no established human supplement use; traditional and preclinical interest only
Common dosing range
No validated human dose
When to expect effects
Not established
Watch out for
Human safety and efficacy are unstudied; benefits rest on animal/lab data only
What is it
Nymphaea nouchali (also called Nymphaea stellata, the blue water lily) is an aquatic flowering plant used in Ayurvedic and traditional South Asian medicine. Its flowers and rhizomes contain flavonoids and alkaloids, and it has been studied almost entirely in laboratory and animal models. Human clinical evidence is essentially absent.
Is it worth it for you?
Use this as a quick fit check, not a diagnosis.
Worth considering if…
Probably skip if…
Evidence at a glance
| Goal | Evidence | Effect | Best fit | Time |
|---|---|---|---|---|
| antioxidant and metabolic activity (preclinical) | Mixed Evidence | Not quantified in humans | not established in humans | Not established |
Evidence for 1 use
AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.
antioxidant and metabolic activity (preclinical)
Mechanism onlyExtracts of Nymphaea nouchali show antioxidant, anti-hyperglycemic, and hepatoprotective activity in laboratory and rodent studies, attributed to its flavonoid and alkaloid content. No controlled human trials confirm these effects, so any benefit in people is unproven.
Bottom line: Effects are limited to animal and lab models; there is no human evidence to support supplementation.
How to take it
- Typical dose
- No validated human dose established
- Timing
- Not established
- With food
- Not established
- How long to try
- Not established
What to track
- Tolerability if used at all
- Any adverse effects
Safety
Common side effects
not characterized in humans
Who should avoid it
- pregnant or breastfeeding people
- anyone wanting an evidence-based option (use is not supported)
Pregnancy & breastfeeding
No human safety data; avoid in pregnancy and breastfeeding.
Choosing a product
Look for
- Correct species identification (Nymphaea nouchali/stellata)
- Plant part specified
- Purity and contaminant testing
Be skeptical of
- Treats diabetes
- Proven antioxidant health benefits
- Psychoactive 'blue lotus' euphoria claims
References by claim
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Coming to App StoreDisclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.