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Soy Isoflavones Extract

21st Century
4.6
★ ★ ★ ★ ★
(1619 ratings)
Soy Protein 100 mg
Product Image
Score 68

An economical soy isoflavone supplement, delivering 100mg per serving for general well-being support at a budget price point.

scaleQuantity:60 Capsule(s) • (30 servings)
track_changesGoals:

leaderboard Score 68

An economical soy isoflavone supplement, delivering 100mg per serving for general well-being support at a budget price point.

insightsAnalysis

21st Century Soy Isoflavones Extract provides 100mg of soy isoflavones per serving in a capsule form. Soy isoflavones are plant compounds derived from soybeans that are often included in dietary routines for general well-being. This product offers a relatively modest dose, making it suitable for those who prefer a lower intake or are new to soy isoflavone supplementation.

It is a straightforward, single-ingredient product focused solely on delivering soy isoflavones. The inclusion of a small amount of carbohydrate is noted but generally negligible. The product's main appeal is its low price per serving, making it an economical choice for those looking to explore soy-derived compounds without a significant investment.

thumb_upPros
  • Very affordable price per serving.
  • Simple, single-ingredient focus.
  • Contains a clear dose of soy isoflavones (100mg).
  • Widely available and recognized brand.
thumb_downCons
  • Lower dosage of isoflavones compared to many other dedicated products.
  • No additional synergistic ingredients.
  • Contains a small amount of carbohydrate.
warningWarnings
  • Avoid if you have a soy allergy.
  • If you are seeking higher doses, consider other options or adjust serving size as appropriate after consulting a professional.
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$7.99($0.26 per serving)
iHerb
$ 7.99
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scienceIngredients
IngredientAmount per serving
Total Carbohydrate
1 Gram(s)
Soy Isoflavones Extract, Powder
100 mg
grain_off Gluten Free female Women 18–50 eco Vegetarian
flagReport overview
Soy Protein 70
As an extract directly from soy containing isoflavones, this product fits the 'Soy Protein' collection as a soy-derived supplement. While it does not provide protein, it offers valuable compounds from the soy plant.
scienceView ingredientinventory_2View products
inventory_2Alternative products
78 Value

Soy Isoflavones

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EstroSoy

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Advanced Therapeutics Isoflavone Rx-Phytoestrogen

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Soy Isoflavones

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EstroSoy

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Ultra Soy Extract

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Soy Isoflavones

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This offers a significantly higher dose of soy isoflavones (750mg vs 100mg) at a much lower price per serving, making it a considerably more cost-effective choice for robust soy support.
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Soy Isoflavones

Swanson Premium Brand
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Similar to its counterpart, this provides a very generous 750mg of soy isoflavones per serving at an excellent, low price, offering superior value compared to lower-dose options.
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Hair Skin & Nails

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While not specifically an isoflavone product, this affordable multivitamin blend includes some soy protein and offers a broad spectrum of nutrients at an even lower price per serving, if general wellness is a broader consideration.
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78 Value

Soy Isoflavones

Swanson Premium Brand
4.7
★★★★★
(1294 ratings)
This alternative provides 7.5 times the amount of soy isoflavones per serving for a much lower cost per serving, representing exceptional value for potency and affordability.
Other sellers (0)
82 Value

EstroSoy

Nature's Way
4.5
★★★★★
(1946 ratings)
Offering a significantly higher dose of soy isoflavones along with complementary herbs, this product provides a much more robust formula for a moderate increase in price per serving, delivering excellent overall value.
Other sellers (3)
70 Value

Advanced Therapeutics Isoflavone Rx-Phytoestrogen

NaturesPlus
4.6
★★★★★
(287 ratings)
This alternative offers a slightly higher dose of soy isoflavones (125mg) combined with probiotics. For a modest increase in price per serving, it provides a more advanced formula, offering good value for those seeking additional benefits.
Other sellers (0)
78 Performance

Soy Isoflavones

Swanson Premium Brand
4.7
★★★★★
(1294 ratings)
This product delivers a much higher dosage of soy isoflavones (750mg vs 100mg) in a straightforward capsule, making it a 'better' choice for those seeking a more potent effect from soy isoflavones.
Other sellers (0)
82 Performance

EstroSoy

Nature's Way
4.5
★★★★★
(1946 ratings)
EstroSoy offers a significantly higher dose of fermented soy isoflavones (670mg) and enhances the formula with red clover and black cohosh, providing a much more comprehensive and potent solution for specific wellness goals.
Other sellers (3)
65 Performance

Ultra Soy Extract

Life Extension
4.7
★★★★★
(102 ratings)
For a very high-potency option, this provides extreme concentrations of specific soy isoflavones (daidzein, genistein) and fermented soynatto, making it a substantially 'better' choice for maximum soy compound intake.
Other sellers (1)
flagReport alternatives

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