Bark spice containing cinnamaldehyde, cinnamic acid, and cinnamate compounds. The most documented food-based blood sugar intervention in the literature. Also antimicrobial, anti-inflammatory, and neuroprotective. NOTE: Ceylon cinnamon is preferred for daily therapeutic use — cassia cinnamon (the brown powder in most US stores) contains coumarin which can cause liver damage at high supplemental doses.
Ground cinnamon available everywhere, very affordable. Ceylon cinnamon at health stores, online (Frontier Co-op, Simply Organic), and increasingly at mainstream stores. Ceylon cinnamon sticks sold at Latin and Caribbean markets as 'canela.'
The blood sugar evidence for cinnamon is among the strongest for any spice. A meta-analysis of 10 RCTs (Allen et al., Journal of the Academy of Nutrition and Dietetics, 2013) found cinnamon reduced fasting blood glucose by 3.4-29.2 mg/dL. The mechanism: cinnamaldehyde activates GLUT4 glucose transporters and mimics insulin signaling. For PCOS — which affects Black women at higher rates and with greater metabolic severity — cinnamon 1.5g/day improved menstrual regularity in an RCT. For LDL reduction: 1-6g/day reduced LDL by 9-26% in a 40-day RCT. For Alzheimer's/dementia prevention — a growing concern in Black American communities facing higher rates — cinnamon inhibits tau protein aggregation in laboratory models. The ancestors sprinkled prevention into the pie.
Add to morning oatmeal (1/2 tsp), coffee or tea (1/4 tsp), smoothies, sweet potato dishes, beans, and spiced drinks. Cinnamon sticks in hot water for cinnamon tea. Use Ceylon cinnamon for daily therapeutic doses — it is lighter in color and more expensive but safe for liver in quantity. Cassia cinnamon is fine in cooking but limit supplemental doses.
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