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Alfalfa (Medicago sativa)


Alfalfa/Nutrient Depletion:
  • CalciumCalcium: Mean serum calcium levels decreased significantly in a case series of 15 patients taking 40g of heat prepared alfalfa seed three times daily for eight weeks (5). Alfalfa may increase intracellular Ca+2 levels, based on an in vitro study of the alfalfa constituent L-canavanine (51).
  • GlucoseGlucose: Based on limited case report data and animal research, alfalfa may lower blood glucose levels (6; 25; 26).
  • IronIron: Alfalfa and other fibers have been shown in vitro to bind iron, therefore reducing its absorption (59).
  • PotassiumPotassium: Alfalfa may lower serum potassium concentrations, based on a human case report (28).

Copyright © 2011 Natural Standard (

The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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