Corn Silk

Gentle traditional diuretic herb from corn plant supporting kidney function, urinary health, and fluid balance

Scientific nameZea mays FormulaVarious flavonoids and potassium salts Molecular weightVariable natural compounds g/mol CASVarious natural compounds

55 absorption score

10 safety / 10

18 USD per month

5 documented interactions

Check it against something

Evidence level C

Corn Silk with:

75 out of 100

Works better together Take together — same timing window amplifies the synergy.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Gentle diuretic support

Provides mild, safe diuretic effects supporting kidney function and urine production

Potassium-rich compounds and flavonoids gently stimulate urine production Evidence C-grade 1-4 hours

Kidney function support

Traditional support for healthy kidney function and filtration

Diuretic and anti-inflammatory effects support kidney health Evidence C-grade 1-3 weeks

Urinary tract soothing

Soothes and supports urinary tract health and comfort

Anti-inflammatory compounds reduce urinary tract irritation Evidence C-grade 2-7 days

Bladder health support

Traditional support for bladder health and function

Soothing and diuretic effects support healthy bladder function Evidence C-grade 3-10 days

Mild fluid retention relief

Gentle relief from mild fluid retention and bloating

Gentle diuretic action helps eliminate excess fluid safely Evidence C-grade 2-8 hours

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Turmeric Anti-inflammatory & antioxidant 300-1000mg A 3% Glutathione Master antioxidant & detox support 250-750mg B 20% Astaxanthin Superior antioxidant & skin protection 4-12mg B 20% SAM-e Mood support & liver health 400-800mg A 70% Plant Collagen Vegan collagen support & antioxidants 2-5g C 70% Quercetin Immune support & allergy relief 500-1000mg B 5%

Every pair we checked

12 combinations scored by the engine

Corn Silk + Caffeine No documented interaction either way No known interaction 70

Corn Silk + Creatine Monohydrate No documented interaction either way No known interaction 70

Corn Silk + Vitamin D3 No documented interaction either way No known interaction 70

Corn Silk + Calcium Carbonate No documented interaction either way No known interaction 70

Corn Silk + Whey Protein No documented interaction either way No known interaction 70

Corn Silk + Lactase No documented interaction either way No known interaction 70

Corn Silk + Bovine Collagen No documented interaction either way No known interaction 70

Corn Silk + DHA No documented interaction either way No known interaction 70

Corn Silk + Turmeric No documented interaction either way No known interaction 70

Corn Silk + Dandelion Root Enhanced gentle kidney support and diuretic effects Works better together 75

Corn Silk + Nettle Leaf Comprehensive gentle urinary tract support Works better together 75

Corn Silk + Cranberry Extract (Kidney Health) Complete urinary tract health support Works better together 75

Dosage

With meals

Daily300-800mg

Kidney support400-800mg daily

Mild diuretic400-600mg daily

Urinary comfort300-600mg daily

Bladder support300-500mg daily

Before you take it

VeganYes

When to expect it

First Effects1-4 hours for gentle diuretic effects

Peak Benefits1-3 weeks for sustained kidney and urinary support

Deficiency DevelopmentNot applicable - herbal supplement

Toxicity OnsetExtremely rare, excellent safety profile

How to measure it

Not typically necessary

MarkerGenerally not needed - extremely safe herb

OptimalNormal kidney function and electrolyte balance

Deficient belowNot applicable for herbal supplement

FrequencyMonitoring generally not required due to excellent safety

What actually reaches you

The label counts the carrier, your body does not

Absorption Moderate 55 of 100 · middle of the range for this compound

Delivered daily 302.5 mg

Cost per 100 mg delivered $0.20 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Dandelion Root

Enhanced gentle kidney support and diuretic effects

Both provide safe, potassium-rich diuretic support · level C

Nettle Leaf

Comprehensive gentle urinary tract support

Both provide nutritive kidney and urinary support · level C

Cranberry

Complete urinary tract health support

Complementary urinary tract protective and supportive effects · level C

What not to take with Corn Silk

2 documented

Pharmaceutical Diuretics

May enhance diuretic effects

Additive diuretic effects · very mild significance

No Significant Antagonists

Extremely gentle with minimal interactions

Very mild activity with low interaction potential · minimal significance

Medication interactions

Discuss these with a pharmacist before combining

diabetes-medications Minimal

May very mildly affect blood sugar levels

What to do: Monitor if sensitive to blood sugar changes

blood-pressure-medications Minimal

May very mildly affect blood pressure

What to do: Monitor if sensitive to blood pressure changes

no-major-interactions None

Generally safe with all medications

What to do: Safe concurrent use

Available forms

bioavailability compared

Corn Silk Extract (Standardized Flavonoids) 55

Corn Silk Extract (Standardized Flavonoids): Excellent safety, Very gentle, Suitable for long-term use, Traditional use

Food sources

before you supplement

Fresh corn silk Raw active compounds from fresh corn · 60

Corn silk tea Moderate active compound content · 50

Dried corn silk Concentrated dried compounds · 45

Standardized extracts Concentrated flavonoids and actives · 55

Too little

deficiency signs

Not applicable (herbal supplement, not essential nutrient):
General symptoms addressed by corn silk:
Mild kidney sluggishness and poor elimination
Mild fluid retention and bloating
Urinary tract discomfort and irritation
Poor bladder function and health
General urinary system stagnation

Too much

toxicity signs

Extremely safe with virtually no side effects:
Very mild blood sugar effects
Very mild blood pressure changes
Rare allergic reactions (corn allergy)
Occasional mild stomach upset

Who benefits most

kidney-function-gentle-support

Very gentle kidney tonic suitable for long-term use and sensitive individuals

400-800mg daily

mild-fluid-retention

Safe and gentle diuretic for mild fluid retention and bloating

400-600mg daily

urinary-tract-comfort

Soothing support for urinary tract irritation and discomfort

300-600mg daily

bladder-health-maintenance

Gentle long-term support for bladder health and function

300-500mg daily

elderly-urinary-support

Extremely safe kidney and urinary support for elderly individuals

300-600mg daily

Where to buy it

compare forms first

Look for Corn Silk at 300-800mg per serving. The form that matters here is Corn Silk Extract (Standardized Flavonoids).

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How it works

Gentle diuretic compounds safely increase urine production
Potassium-rich composition helps maintain electrolyte balance
Anti-inflammatory flavonoids reduce urinary tract irritation
Soothing mucilaginous compounds provide comfort to urinary tissues
Mild antiseptic properties support urinary tract health
Traditional 'cooling' properties support kidney and bladder function

Key findings

what the evidence supports

Strong traditional use evidence for gentle kidney support
Excellent safety profile suitable for long-term use
Very mild and gentle effects ideal for sensitive individuals
Limited modern research but extensive historical use

Sources: NIH Examine.com · data reviewed 2026-08-01

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Corn Silk?

Documented effects: Gentle diuretic support; Kidney function support; Urinary tract soothing; Bladder health support. Provides mild, safe diuretic effects supporting kidney function and urine production

How much Corn Silk should you take per day?

The common daily range is 300-800mg. By goal — kidney support: 400-800mg daily; mild diuretic: 400-600mg daily; urinary comfort: 300-600mg daily; bladder support: 300-500mg daily.

When is the best time to take Corn Silk?

With meals. First effects are typically reported within 1-4 hours for gentle diuretic effects.

What are the side effects of Corn Silk?

At excessive doses: Extremely safe with virtually no side effects:, Very mild blood sugar effects, Very mild blood pressure changes, Rare allergic reactions (corn allergy), Occasional mild stomach upset. Safety rating at normal doses is 10 out of 10.

What should you not take with Corn Silk?

Separate it from Pharmaceutical Diuretics, No Significant Antagonists by two to four hours. May enhance diuretic effects

Does Corn Silk interact with medications?

Documented interactions with diabetes-medications, blood-pressure-medications, no-major-interactions. Discuss these with a pharmacist before combining.

How do you know if you need Corn Silk?

The marker is Generally not needed - extremely safe herb, optimal range Normal kidney function and electrolyte balance. Common deficiency signs: Not applicable (herbal supplement, not essential nutrient):, General symptoms addressed by corn silk:, Mild kidney sluggishness and poor elimination, Mild fluid retention and bloating.

Taken for

49 Liver & Detox

Turmeric · Vitamin C (Ascorbic Acid) · D-Mannose