Science

Vitamin D3 and Hormonal Health

By BeastForce Vitality Research · Reviewed by Dr. James Carter, M.D. · Updated August 2026

Vitamin D3 in BeastForce is a critical hormonal cofactor. We examine the evidence for D3 and testosterone within the BeastForce formula.

The D3-Testosterone Connection

Vitamin D3 functions as a hormone precursor essential for testosterone production. Research in PubMed demonstrates a direct correlation between D3 levels and testosterone. The NIH ODS confirms widespread deficiency. BeastForce delivers 5000IU for optimal hormonal support.

Evidence

A landmark clinical trial showed men supplementing with D3 experienced significant increases in total, bioactive, and free testosterone compared to placebo. D3 also supports bone health, immune function, and mood — critical components of overall male wellness.

In BeastForce

Within BeastForce, this science connects to the 8-ingredient advanced men's vitality formula — Tongkat Ali, Fenugreek, Ashwagandha, Zinc, D3, Maca, Tribulus, Boron. Visit the BeastForce official website. How it works. BeastForce discount. Reviews.

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