Corn Silk [Discontinued] by NusaPure

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Angina. It is unclear if oral corn silk is beneficial in patients with angina. Details: A meta-analysis of four generally lower-quality clinical trials in patients with angina shows that taking corn silk decoction in combination with hypolipidemic drugs reduces levels of low-density lipoprotein (LDL) cholesterol and triglycerides and increases levels of high-density lipoprotein (HDL) cholesterol by a small to moderate amount when compared with hypolipidemic drugs alone. Doses of corn silk used in the studies were corn silk decoction 60 grams daily or modified corn silk decoction containing corn silk 60 grams, corydalis 30 grams, Chinese cucumber 15 grams, and Allium macrostemon 15 grams daily for approximately one month (103364).
• Congestive heart failure (CHF). Although there has been interest in using oral corn silk for CHF, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Cardiovascular disease (CVD). Although there has been interest in using oral corn silk for CVD, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Depression. Although there has been interest in using oral corn silk for depression, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Diabetes. It is unclear if oral corn silk is beneficial in patients with diabetes. Details: Preliminary clinical research in adult males with type 2 diabetes shows that taking corn silk 1-2 grams orally daily for 60 days modestly lowers glycated hemoglobin levels when compared with placebo (112730).
• Glaucoma. It is unclear if oral corn silk is beneficial in preventing glaucoma. Details: Preliminary clinical research in adults with hypertension shows that taking a single oral dose of corn silk extract 130-260 mg/kg in 600 mL of water reduces intraocular pressure by around 4-10 mmHg over an 8-hour period. Reductions in intraocular pressure were dose-dependent (93869). It is unclear if long-term use of corn silk may be effective at preventing or treating glaucoma.
• Fatigue. Although there has been interest in using oral corn silk for fatigue, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Hypercholesterolemia. Although there has been interest in using oral corn silk for hypercholesterolemia, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Hypertension. It is unclear if oral corn silk is beneficial in patients with hypertension. Details: A meta-analysis of five generally lower-quality clinical trials shows that taking corn silk 10-60 grams orally daily for 1-12 weeks in combination with antihypertensive drugs moderately reduces blood pressure when compared with antihypertensive drugs alone (103362). In addition, preliminary clinical research in adults with hypertension shows that taking a single oral dose of corn silk extract 130-260 mg/kg in 600 mL of water reduces systolic and diastolic blood pressure by around 5-13 mmHg over an 8-hour period when compared with placebo. Reductions in blood pressure were dose-dependent (93869).
• Kidney stones (nephrolithiasis). Although there has been interest in using oral corn silk for kidney stones, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Nocturnal enuresis. Although there has been interest in using oral corn silk for nocturnal enuresis, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Obesity. Although there has been interest in using oral corn silk for obesity, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Prostatitis. Although there has been interest in using oral corn silk for prostatitis, there is insufficient reliable information about the clinical effects of corn silk for this purpose.
• Urinary tract infections (UTIs). Although there has been interest in using oral corn silk for UTIs, there is insufficient reliable information about the clinical effects of corn silk for this purpose. More evidence is needed to rate corn silk for these uses.

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LIKELY SAFE ...when used orally in amounts commonly found in foods. Corn silk, corn silk extract, and corn silk oil has Generally Recognized as Safe (GRAS) status in the US (4912). There is insufficient reliable information available about the safety of corn silk when used orally as medicine.

PREGNANCY: POSSIBLY SAFE
when consumed in food.

PREGNANCY: LIKELY UNSAFE
when used orally in larger amounts because it might have uterine stimulant effects (4); avoid using.

LACTATION: POSSIBLY SAFE
when consumed in food amounts. Insufficient reliable information available when used as medicine; avoid using.

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking corn silk with antidiabetes drugs might increase the risk of hypoglycemia.  Details Animal research in diabetic mice shows that taking corn silk extract lowers fasting blood glucose levels (103365).

ANTIHYPERTENSIVE DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Taking corn silk extract with antihypertensive drugs might increase the risk of hypotension.  Details Clinical research in both hypertensive and normotensive adults shows that taking corn silk extract lowers systolic and diastolic blood pressure (93869).

CORTICOSTEROIDS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Taking corn silk with corticosteroids might increase the risk of hypokalemia.  Details Clinical research shows that taking corn silk extract increases the urinary excretion of potassium (4,93869).

DIURETIC DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Taking corn silk with diuretic drugs might increase the risk of adverse effects such as hyponatremia and hypokalemia.  Details Clinical research shows that taking corn silk extract increases urine volume and promotes the urinary excretion of sodium and potassium (4,93869). Some patients may require electrolyte supplementation.

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = Mild •  Occurrence = Likely •  Level of Evidence = D Theoretically, suddenly stopping, starting, or changing corn silk treatment may alter the effects of warfarin.  Details Corn silk contains vitamin K. Individuals taking warfarin should consume a consistent daily amount of corn silk to maintain consistent anticoagulation (19).

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General ...Orally, adverse effects to corn silk seem to be rare; however, a thorough safety evaluation has not been conducted.
Most Common Adverse Effects:
Orally: Hypokalemia, hyponatremia.

Dermatologic ...Topically, corn silk can cause dermatitis and urticaria (4).

Endocrine ...Orally, corn silk has been reported to cause hypokalemia with prolonged use (4).

Renal ...Orally, corn silk extract can increase urinary volume and increase the excretion of sodium and potassium (93869).

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