At 3mg per capsule, this delivers the most commonly studied dose of **Boron** for bone and hormonal support. Research shows 3mg daily can help your body retain calcium and magnesium — key minerals for bone density — and may support healthy testosterone and estrogen metabolism. The clinical range is 3–6mg, so you're at the established minimum.

The form here is Bororganic Glycine from Albion, a chelated mineral complex known for good absorption. This is a quality form that should deliver the boron efficiently to your system.

One thing to keep in mind: boron's evidence base is moderate, built on a handful of well-known studies rather than the deep trial volume you'd see for major minerals. At 3mg you're covered for the basic research-backed benefits, but if your goal is hormonal support specifically, some studies used doses up to 6mg daily.

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NOW

Boron 3 mg, 100 Veg Capsules

1 Capsule · 100 servings · $0.06/serving

iHerbAmazon

Best for

Hormones

Ingredients (1)

Boron

100%

Dose

3 mg

Target

3–6 mg

Form

Premium

Other Ingredients (4)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

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

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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