Does Soy Measure Up?

We use research from the U.S. National Library of Medicine and the National Institutes of Health to grade the scientific evidence of soy's benefits.

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Grade Key:

A: Strong scientific evidence for this use
B: Good scientific evidence for this use
C: Unclear scientific evidence for this use

A-Grade Recipients:
Dietary source of protein
To lower cholesterol

B-Grade Recipients:

Diarrhea in infants and young children

C-Grade Recipients:
Allergies (prevention of food allergies)
Bowel/Intestinal disorders
Cancer (prevention and treatment)
Cardiovascular disease
Cognitive function
Crohn’s disease
Cyclical breast pain
Exercise performance enhancement
Gastrointestinal motility
High blood pressure
Infantile colic
Iron deficiency anemia
Kidney disease
Menopausal symptoms
Menstrual migraine
Metabolic syndrome
Obesity/weight reduction
Quality of life
Rheumatoid arthritis
Skin aging
Skin damage caused by the sun
Spinal cord injury
Thyroid disorders
Weight gain (infants)

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