BioStacks

Best Boron for Hormones

Top 10 products ranked

Last reviewed May 2026

Clinical dose: 3–6 mg

Why Boron for Hormones

Boron plays a supporting role in hormones. Boron is a trace mineral involved in bone metabolism, steroid hormone regulation, and inflammatory response. A seminal study by Nielsen (1987) showed 3 mg/day boron reduced urinary calcium and magnesium excretion and increased serum estradiol and testosterone in postmenopausal women on a low-boron diet.

What dose to look for

Clinical studies typically use 3–6 mg of boron. Clinical studies use 3–6 mg/day. 3 mg is the most common supplemental dose. UL is 20 mg/day for adults. Products below this range may not deliver meaningful results.

What the research says

Boron has moderate clinical evidence for hormones benefits. Several controlled studies on bone metabolism and hormone regulation, but not classified as essential Learn more