This product is built around **Sulforaphane**, the compound your body uses to switch on its own antioxidant defenses — a system with early human evidence for lowering blood pressure and improving blood sugar markers. Each 2-tablet serving yields 2,000 mcg (2 mg) of actual sulforaphane, inside the 1–9 mg daily range used in research. At 1 to 2 servings a day, you're comfortably in effective territory.

What sets the label apart is that it commits to a sulforaphane yield, not just the glucoraphanin precursor it comes from. That precursor only becomes active once an enzyme converts it, so a label quoting the raw precursor can overstate what you absorb — here you know the active amount you're getting.

The honest caveat is the evidence. Sulforaphane is promising but still maturing — many trials are small and roughly half remain unpublished. Treat this as supportive antioxidant coverage, not a proven fix for any condition.

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Source Naturals

Broccoli Sprouts Extract

2 Tablets · 30 servings · $0.45/serving

iHerbAmazon
78 / 100Good

Score Breakdown

Formulation
78
Safety
100
Final score
78/100

Ingredients (2)

Sprouted Broccoli Extract BlendYielding 2,000 mcg Sulforaphane

100%

Dose

2 mg

Target

1–9 mg

Form

—

Calcium

83 mg

Trace amount — not scored

Other Ingredients (6)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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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