What it does
Soybean is a plant-based ingredient often used for its nutritional benefits.
Commonly used for: high cholesterol, heart disease, menopausal symptoms, nutritional supplement
Read more in plain English ↓Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.
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Source: Pharmacy and Poisons Board · fetched 2026-01-28 21:29:30 · updated 2026-07-20 11:03:45
About this medicine
Soybean is a plant-based ingredient often used for its nutritional benefits.
What it treats
- high cholesterol
- heart disease
- menopausal symptoms
- nutritional supplement
How it works
Soybean contains compounds that may help lower cholesterol levels and provide essential nutrients.
Who it's for
It is suitable for those looking to improve their diet, manage cholesterol levels, or reduce menopausal symptoms.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: soybean
Soybean (Glycine max) is a species of legume native to East Asia, widely cultivated for its edible seeds, which are rich in protein and oil. Soybeans are a major source of dietary protein, particularly in vegetarian and vegan diets, and they contain various bioactive compounds such as isoflavones, saponins, and phytosterols. They are commonly used in various food products, including tofu, soy milk, and soy protein isolates, and have been studied for their potential health benefits, including cardiovascular health and hormone modulation.
Indications
- Cardiovascular health
- Menopausal symptom relief
- Bone health
- Cholesterol management
- Potential cancer risk reduction
Dosage
Children: Refer to specific product guidelines or consult a healthcare professional for appropriate dosage.
Adults: Refer to specific product guidelines or consult a healthcare professional for appropriate dosage.
Mechanism of action
Soybeans contain isoflavones, which are phytoestrogens that can mimic the effects of estrogen in the body. They exert their effects primarily through binding to estrogen receptors and modulating gene expression related to estrogen-responsive pathways. This interaction can influence various physiological processes, including bone density, lipid metabolism, and hormonal balance.
Pharmacodynamics
The pharmacodynamics of soybeans are attributed to their content of isoflavones, notably genistein and daidzein. These compounds may exhibit antioxidant properties, modulate lipid profiles by lowering LDL cholesterol, and influence bone metabolism. Additionally, the anti-inflammatory effects of soy isoflavones may contribute to cardiovascular benefits. The bioactive compounds in soybeans can also have protective effects against certain cancers, particularly hormone-sensitive types, by interfering with cancer cell growth and proliferation.
Pharmacokinetics
Isoflavones are absorbed in the gastrointestinal tract, with peak plasma concentrations typically occurring within 1 to 3 hours after ingestion. The bioavailability of isoflavones can be influenced by factors such as food matrix, gut microbiota, and individual metabolism. Soy isoflavones undergo extensive metabolism in the liver, resulting in various metabolites, some of which may exhibit different biological activities. The elimination half-life of isoflavones can vary widely, depending on individual factors and the form in which soy is consumed.
Adverse effects
- Allergic reactions
- Gastrointestinal disturbances
- Nausea
- Diarrhea
- Flatulence
Precautions
- Use with caution in individuals with a known allergy to soy products.
- Monitor for potential interactions with anticoagulants, as soybean contains vitamin K.
Pregnancy
Soybean is generally considered safe during pregnancy when consumed in food amounts. However, high doses or supplements should be avoided due to potential hormonal effects.
Breast-feeding
Soybean is likely safe in food amounts during breastfeeding, but high doses or supplements should be approached with caution.
Storage
Store in a cool, dry place, away from direct sunlight. Keep tightly closed to avoid moisture.
Formulations
- Whole soybeans
- Soy flour
- Soy protein isolate
- Soy milk
- Soy oil
- Soy lecithin
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
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