According to Clarity by Health AI
Cranberry extract is considered Safe across all safety dimensions evaluated
No safety flags identified across 20+ dimensions. Evidence tier: Silver
1,595 validated ingredients. 20+ safety dimensions. Published methodology with DOIs.
Last updated April 2026.
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Cranberry extract
Supplement/Herb · Silver
Safe
CategorySupplement/Herb
Evidence tierSilver
Caution during breastfeeding. Cranberry may interact with blood thinners (warfarin). High oxalate content may increase kidney stone risk. Safe in food amounts. Concentrated supplements require caution.
Full analysis in Clarity → Silver
Frequently Asked
Is Cranberry extract safe while breastfeeding?+

Cranberry extract is classified as Caution for breastfeeding in the Clarity database. Caution during breastfeeding. Cranberry may interact with blood thinners (warfarin). High oxalate content may increase kidney stone risk. Safe in food amounts. Concentrated supplements require caution

No safety flags identified. Clarity evaluated Cranberry extract across 20+ safety dimensions including breastfeeding, histamine, MCAS, rosacea, allergens, and more. No concerns were identified based on current evidence. Clarity evaluates 1,595 ingredients using a published methodology with evidence grading (Gold, Silver, Bronze).
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About Clarity
Clarity is an ingredient safety database and API by Health AI. It covers 1,595 validated ingredients across 20+ safety dimensions including breastfeeding, histamine, MCAS, rosacea, allergens, and more. Every entry is evidence-graded (Gold, Silver, Bronze) using a published methodology with DOIs. Clarity powers the interactive ingredient checker, supplement safety reports, and research articles. Health AI is a healthcare AI governance platform and evidence layer.