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Connect with functional nutritionists, pastry chefs, metabolic researchers, and spice enthusiasts from the UK, Europe, and the United States. Discuss Cinnamomum verum, coumarin safety, and culinary pairings.

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Health, Blood Sugar & Coumarin Safety By Sarah Jenkins, MS, RDN ๐Ÿ“ San Francisco, California, USA ๐Ÿ“… 10 Nov 2026, 15:05

Type 2 Diabetes & Insulin Resistance: Clinical trials on Cinnamomum verum

Multiple meta-analyses (including Davis & Yokoyama, 2011; Allen et al., 2013) show that daily cinnamon supplementation (1g to 6g) can reduce fasting plasma glucose by 10-29% and improve LDL and triglyceride profiles. The pivotal clinical caution for endocrinologists is that patients taking Cassia daily risk hepatotoxicity from coumarin buildup. True Ceylon Cinnamon (Cinnamomum verum) is the ONLY variety recommended for ongoing daily protocol. Has anyone paired it with berberine or alpha-lipoic acid?

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