non-nutrient/non-botanical
Daidzein supplements
Half of the 32 daidzein supplements in the NIH label database that print an amount list 19.13 mg or less per serving; the middle half list 9.75 mg to 35 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 4732 print an amount; 15 list it inside a blend without an amount
- Median per serving
- 19.13 mgmiddle half 9.75 mg to 35 mg
How much daidzein do supplements contain?
The median product lists 19.13 mg per serving. One in ten lists 3.27 mg or less, one in ten 40 mg or more. The amount printed most often is 40 mg (5 products).
Products by amount of daidzein per serving
32 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 40 mg | 5 | Cholesterol Care (Healthy Choice Naturals); Bone & Body Factors (ProCaps Laboratories); Ultimate Women's Wellness (ProCaps) |
| 9 mg | 2 | Soy Protein Powder Creamy Chocolate (DaVinci Laboratories Of Vermont); Soy Protein Powder Creamy Vanilla (DaVinci Laboratories Of Vermont) |
| 12 mg | 2 | Non-GMO Soy Isoflavones (Nature's Bounty); Soy Isoflavones 750 mg (Nova Nutritions) |
| 13.65 mg | 2 | Soy Protein Unflavored/Unsweetened (GNC Natural Brand); Soy Protein Natural Vanilla Flavor (GNC Natural Brand) |
| 19.25 mg | 2 | Advanced Therapeutics Isoflavone Rx-Phytoestrogen (NaturesPlus) |
| 30 mg | 2 | |
| 35 mg | 2 | Ultra Maximum Potency Isoflavone 100 (Natures Plus); Ultra Isoflavone 100 (NaturesPlus) |
| 0.4 mg | 1 | Super FiProFLAX (Health From The Sun) |
| 2 mg | 1 | Soy Isoflavones 750 mg (Best Naturals) |
| 2.73 mg | 1 | True Food Soyagen (Higher Nature) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most daidzein?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Ultra Soy ExtractLife Extension87.5 mg
- Cholesterol CareHealthy Choice Naturals40 mg
- Bone & Body FactorsProCaps Laboratories40 mg
- Ultimate Women's WellnessProCaps40 mg
- Women's WellnessProCaps Laboratories40 mg
- Soy IsoflavonesVitamin World36 mg
- Ultra Maximum Potency Isoflavone 100Natures Plus35 mg
- Ultra Isoflavone 100NaturesPlus35 mg
In which products and brands?
Products listing daidzein by DSLD product type
Brands listing it most: Nature's Plus (3), ProCaps Laboratories (3), Higher Nature (2), Source Naturals (2), DaVinci Laboratories Of Vermont (2), Planetary Herbals (2), GNC Natural Brand (2), NaturesPlus (2), Health From The Sun (1), Best Naturals (1).
Every product listing daidzein
47 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Advanced Therapeutics Isoflavone Rx-PhytoestrogenNatures Plus · off the market19.25 mg
- Advanced Therapeutics Isoflavone Rx-PhytoestrogenNaturesPlus19.25 mg
- Bone & Body FactorsProCaps Laboratories40 mg
- Cholesterol CareHealthy Choice Naturals40 mg
- D3 2000 ComplexMetagenicsin a blend
- Estrovite (K-5)Apex Energetics10 mg
- Full Spectrum Soy 1000 1,000 mgPlanetary Herbals13.4 mg
- Genistein Soy Supplement PowderSource Naturals19 mg
- Iso Soy Natural Chocolate Caramel FlavorSolgar · off the marketin a blend
- Iso Soy Natural Vanilla Bean FlavorSolgar · off the marketin a blend
- Isoflavone-250 with GenisteinDouglas Laboratoriesin a blend
- Menopause MultipleSource Naturals6.7 mg
- Natural Soy ExtractIndiana Botanic Gardensin a blend
- Non-GMO Soy IsoflavonesNature's Bounty12 mg
- Non-GMO Soy IsoflavonesPuritan's Pridein a blend
- Omega Flax Mega Lignan Standardized 52 mg SDG LignanNature's Plus · off the market3.9 mg
- Passion RxAdvance Physician Formulasin a blend
- Prostate Health TxVital Nutrientsin a blend
- SelestroMetagenicsin a blend
- Soy Genistein Isoflavone PowderPlanetary Herbals19.5 mg
- Soy IsoflavonesVitamin World36 mg
- Soy IsoflavonesGood 'N Natural · off the marketin a blend
- Soy Isoflavones 750 mgPuritan's Pride20 mg
- Soy Isoflavones 750 mgEsmond Naturalin a blend
- Soy Isoflavones 750 mgNova Nutritions12 mg
- Soy Isoflavones 750 mgBest Naturals2 mg
- Soy Isoflavones Plus GenisteinBluebonnet · off the market21 mg
- Soy Protein Natural Vanilla FlavorGNC Natural Brand13.65 mg
- Soy Protein Powder Creamy ChocolateDaVinci Laboratories Of Vermont9 mg
- Soy Protein Powder Creamy VanillaDaVinci Laboratories Of Vermont9 mg
- Soy Protein Unflavored/UnsweetenedGNC Natural Brand13.65 mg
- SoySelect 200 mgSwanson Ultra14 mg
- SpectraSoyMetagenicsin a blend
- Super FiProFLAXHealth From The Sun0.4 mg
- Super Hi-Potency Multi-Vitamin & Mineral With PhytonutrientsWindmillin a blend
- TestostroGrow 2 HPUltimate Nutrition · off the market30 mg
- TestostroGrow 2 HPUltimate Nutrition Special Edition · off the market30 mg
- Total ProtectNutri-Westin a blend
- True Food SoyagenHigher Nature2.73 mg
- True Food Superpotency SoyagenHigher Nature3.2 mg
- Ultimate Women's WellnessProCaps Laboratories · off the market40 mg
- Ultimate Women's WellnessProCaps40 mg
- Ultra Isoflavone 100NaturesPlus35 mg
- Ultra Maximum Potency Isoflavone 100Natures Plus35 mg
- Ultra Soy ExtractLife Extension87.5 mg
- Wellness Essentials Men's VitalityMetagenicsin a blend
- Women's WellnessProCaps Laboratories40 mg