Assertion: red clover | /r/MadeOf | calcium
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Source sentences:
text: In addition to isoflavones and genistein, red clover also contains calcium, chromium, magnesium, niacin, phosphorus, potassium, thiamine, and vitamin C. Historically, it has often been used (and is still used) to treat whooping cough and other throat related conditions such as bronchitis and sore throats.