Boron is a trace mineral most people get in small amounts from fruits, vegetables, and nuts. It's also one of the more interesting research subjects in HorseWood's formula, specifically around testosterone and physical recovery.
What the Pilot Study Found
A study published in the Journal of Trace Elements in Medicine and Biology (Naghii et al., 2011) gave male participants boron supplementation over a short period and measured plasma steroid hormones and inflammatory markers. The supplemented group showed a rise in free testosterone and a reduction in certain inflammatory cytokines compared to baseline.
Important context: this was a small, short-duration pilot study — not a large, long-term trial. It's a genuinely interesting early signal, not proof that boron supplementation reliably produces the same effect in every man, or that it does so at HorseWood's specific dose.
Why This Matters for Recovery
The inflammatory-marker findings are the more relevant piece for a recovery-focused formula: lower inflammatory cytokines after physical exertion is generally associated with faster recovery and less prolonged soreness. Combined with the free-testosterone finding, boron is a reasonable, evidence-informed addition to a formula built around energy, strength, and bounce-back time.
Boron and Bone Health
Separately from the pilot study above, boron has a longer research history related to bone mineral density and calcium metabolism, which is part of why it's included in general men's health formulas beyond just the testosterone angle.
Boron Is Part of HorseWood's 7-Ingredient Blend
See how it's combined with Tongkat Ali and 5 other botanicals.
See HorseWood Pricing & AvailabilityThe Bottom Line
A small pilot study found short-term boron supplementation linked to higher free testosterone and lower inflammatory markers in men — a genuinely interesting, if early, research signal that supports its inclusion in a recovery-and-strength-focused formula.
Source: Naghii MR et al., "Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines," J Trace Elem Med Biol, 2011.