Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Soy protein isolate is a highly refined protein powder containing 90-95% protein by weight, derived from defatted soy flakes. It provides all essential amino acids and contains isoflavones like genistein and daidzein that support cardiovascular health and muscle synthesis.
Reported Benefits (Provisional)
Origin & History
Soy protein isolate is a highly purified form of soy protein, derived from defatted soybeans. It is used widely in food products and supplements for its high protein content.
Research Narrative (Provisional)
Studies show that soy protein isolate can effectively support muscle growth and heart health, with potential cholesterol-lowering effects.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Contains over 90% protein. - Low in fat and carbohydrates. - Rich in essential amino acids.
Reported Mechanism (Provisional)
Soy protein isolate stimulates muscle protein synthesis through mTOR pathway activation via leucine and other branched-chain amino acids. The isoflavones genistein and daidzein act as selective estrogen receptor modulators (SERMs), binding to estrogen receptors to influence cholesterol metabolism. These compounds inhibit HMG-CoA reductase enzyme activity, reducing cholesterol synthesis in the liver.
Clinical Narrative (Provisional)
Meta-analyses of randomized controlled trials involving over 2,000 participants show soy protein consumption (25-50g daily) reduces LDL cholesterol by 4-10% within 4-12 weeks. Studies comparing soy protein to whey protein in resistance-trained individuals demonstrate equivalent muscle protein synthesis rates and strength gains over 8-12 week periods. However, most cardiovascular studies focus on soy foods rather than isolated protein powder, limiting direct applicability.
Also Known As
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