BioStacks
Nutricost

Soy Isoflavones

1 Capsule · 180 servings · $0.11/serving

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Ingredients (2)

Soy Isoflavone Extract

100%

Dose

150 mg

Target

40–100 mg

Form

—

Isoflavones

100%

Dose

60 mg

Target

40–90 mg

Form

—

Other Ingredients (2)

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

HypromelloseCapsule

Plant-derived capsule material from cellulose

How to Take It

Take it anytime

Timing doesn't matter for this one — taking it consistently does.

With or without food

On the label

As a dietary supplement, take 1 capsule daily with 8-12oz of water or as directed by your healthcare professional.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$18.95

$10$20$50

Cheaper than 65% of 12 soy isoflavone supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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