Quince Powder by TerraVita Premium Collection

POSSIBLY EFFECTIVE

• Gastroesophageal reflux disease (GERD). Clinical research suggests that oral quince fruit extract may be beneficial for reducing symptoms of GERD in children 7 months and older. Its benefits in adults are unclear. Details: A small clinical study in children 7 months and older shows that taking quince fruit extract in syrup 0.3 mL/kg twice daily for 4 weeks is no different than taking omeprazole 2 mg/kg daily for reducing symptoms of GERD. In children aged 7 months to 5 years, symptoms included refusal to eat, regurgitation, choking, and burping. In children 5-18 years of age, symptoms included abdominal pain, nausea, vomiting, burping, and pain after eating (98517). Additionally, taking quince fruit extract in syrup 0.25 mL/kg plus ranitidine 4 mg/kg twice daily for 4 weeks reduces overall GERD symptom scores when compared with ranitidine alone in children 12-48 months of age (102046).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Allergic rhinitis (hay fever). Intranasal quince has only been evaluated in combination with other ingredients; its effects when used alone are unclear. Details: A small clinical study in patients with grass pollen allergy shows that using a specific nasal spray (Gencydo, Weleda AG) containing lemon and quince three times daily for 7 days may modestly improve nasal airflow after pollen exposure. However, it does not improve nasal symptoms or reduce histamine in the nasal mucus compared to placebo (98826).
• Asthma. Although there has been interest in using oral quince for asthma, there is insufficient reliable information about the clinical effects of quince for this purpose.
• Peptic ulcers. Although there has been interest in using oral quince for peptic ulcers, there is insufficient reliable information about the clinical effects of quince for this purpose.
• Pregnancy-induced nausea and vomiting. It is unclear if oral quince syrup is beneficial for morning sickness. Details: Preliminary clinical research in adults with mild to moderate morning sickness shows that taking 1 tablespoon of quince fruit syrup three times daily before meals for one week reduces nausea and vomiting by about 45%, compared with 13% in patients taking vitamin B6 20 mg three times daily (98512).
• Wound healing. Although there has been interest in using topical quince for wound healing, there is insufficient reliable information about the clinical effects of quince for this purpose. More evidence is needed to rate quince for these uses.

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There is insufficient reliable information available about the safety of quince in adults.

CHILDREN: POSSIBLY SAFE
when used orally by children 7 months and older. Quince fruit extract in syrup has been used at a dose of 0.25-0.3 mL/kg twice daily for up to 4 weeks with no reported adverse effects (98517,102046).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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General ...Orally, quince syrup seems to be well tolerated in children aged 7 months and older. However, there is insufficient reliable information about the adverse effects of long-term use in children, and a thorough evaluation of safety outcomes has not been conducted in adults.

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