soy protein

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(soi) ,

glycine max

(trade name),

soy protein

(trade name),


(trade name)


Therapeutic: antioxidants
Menopausal symptoms.Prevention of breast, lung, endometrial, thyroid and prostate cancers.Hyperlipidemia.


Soy is the most significant dietary source of isoflavones. Pharmacologic effects of soy include lowering of homocysteine levels, inhibition of platelet aggregation, lowering of blood pressure, inhibition of cholesterol absorption in the small bowel and lowering of LDL cholesterol. Soy isoflavones also have antioxidant, antiproliferative and estrogenic effects.

Therapeutic effects

Decreased cholesterol.
Decreased hot flashes in menopausal women.


Absorption: Unknown
Distribution: Unknown
Metabolism and Excretion: Unknown
Half-life: Unknown

Time/action profile



Contraindicated in: Hypersensitivity.End stage renal disease.Urinary bladder cancer (may increase risk).
Use Cautiously in: Nephrolithiasis.Hypothyroidism.

Adverse Reactions/Side Effects


  • insomnia


  • bloating
  • constipation
  • gastrointestinal upset


Antibiotics may ↓ effects of soy. May inhibit effects of estrogens and tamoxifen.May ↑ risk of hypertensive crisis with MAO inhibitors.May ↓ INR of patients taking warfarin. None.
Oral (Adults) 35–120 mg/day.


Tablets: Powder:

Nursing implications

Nursing assessment

  • Monitor blood pressure prior to and periodically during therapy.
  • Hypercholesterolemia: Obtain a diet history, especially with regard to fat consumption.
  • Menopausal symptoms: Assess the frequency and intensity of hot flashes prior to and periodically during therapy.
  • Lab Test Considerations: Monitor blood glucose, lipid profile, hormones, and thyroid function before and periodically during therapy.

Potential Nursing Diagnoses

Deficient knowledge, related to diet and medication regimen (Patient/Family Teaching)


  • Oral: Administer as directed.

Patient/Family Teaching

  • Instruct patient to take as directed.
  • Instruct patient to notify health care professional of all Rx or OTC medications, vitamins, or herbal products being taken and to consult with health care professional before taking other medications.

Evaluation/Desired Outcomes

  • Decrease in frequency and intensity of hot flashes.
  • Reduction in serum cholesterol levels.
Drug Guide, © 2015 Farlex and Partners

soy protein

A type of vegetable protein found in food products derived from soybeans. Soy-based foods also contain fiber, flavones, phytoestrogens, and other potentially beneficial components. See: soy milk; tofu
See also: protein
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The scientists used soy protein isolates and high methoxy pectin (HMP) to prepare stock solutions containing 3% isolate, and 1% and 2% HMP.
Chinese soy protein processors have been closing the gap with their US competition in both quality and market reach.
It has been estimated that the global Soy Protein Market will reach around USD 14.32 billion by the year 2025.
The existing data and our analysis of it suggest soy protein contributes to heart health," Dr Jenkins said.
The researchers used commercial pea protein isolate--85% dry pea protein--and commercial soy protein isolate as wall materials to encapsulate DHA using power ultrasound and freeze-drying.
The liters of blue water use per kg of protein is significantly lower for soy protein isolates than most animal-based proteins at 38 liters per kg of soy protein compared to more than 1,600 liters for pork or beef.
Plain-colored textured soy protein mimics the fat pieces in raw red meat, and blends well in both cooked and raw white meat products.
It's also a prime time finding the best resources to support fresh fitness goals, such as products containing the increasingly popular soy protein. One report has already revealed that, "Consumers are realizing the importance of protein in maintaining a healthy weight and preventing diseases.
2013) and the use of soy flour at high pHs (Lambuth 2003), the literature on soy protein properties for adhesives has mainly focused on soy protein isolate and specific protein fractions (Sun 2005b).
North America dominated the global soy protein ingredient market, accounting for 40 percent of the global demand for soy protein ingredients in 2011.
Soy protein supplements have been found to be associated with lower systolic blood pressure (BP) compared with refined (simple) carbohydrate dietary supplements.