30-Day Money-Back Guarantee · Free Shipping Over $50 · Ships From Our US WarehouseNew here? Use code WELCOME20 for 20% off your first order. Natural testosterone support for men over 35. Built on the four nutrients with the strongest clinical data tied to healthy testosterone levels. Buy separately$120.60 In the stack$99.00 You save$21.60 · 18% Testosterone declines about 1% per year for most men starting in their 30s. It shows up as flatter energy, slower recovery, less drive, and tougher body composition — even when your gym work hasn't changed. The T-Boost Stack is the foundational nutrient floor for men who want to address that naturally, before turning to anything prescription. What's in the stack Ashwagandha Root (KSM-66)Multiple randomized trials show measurable testosterone increases in stressed and training men, by helping lower cortisol — which suppresses testosterone when chronically elevated. Bone & Heart Support (D3 + K2 + Calcium + BioPerine)Vitamin D deficiency is one of the most consistent correlations with low testosterone in men over 35. D3 + K2 work together so the D-driven calcium goes to bone, not arteries. Magnesium GlycinateMagnesium status correlates with free testosterone in observational and small interventional trials. The glycinate form is the most absorbable. BerberineInsulin sensitivity drives metabolic health, and metabolic health drives healthy hormone production. Berberine supports glucose handling, which protects testosterone over time. Who it's for Men 30–55 who notice they're not recovering, building, or feeling like they did in their 20s. Worth running before you consider prescription paths — many "low T" symptoms are actually nutrient deficiency and lifestyle stress, and fixing those first resolves a lot of cases. How to use Bone & Heart and Berberine with breakfast. Magnesium with dinner or before bed. Ashwagandha twice daily, morning and night with food. Run for 12 weeks before judging — hormone responses are slow. 30-day money-back guarantee If you don't notice improvement in energy, recovery, or drive within 30 days, full refund. No questions, no shipping back. I rebuilt this routine after my own recovery. The four nutrients in this stack are the same four I run every day. — Justin Maxson, Founder, ROVA Frequently asked questions Will this show up on a drug test?No. These are nutrients and adaptogens, not androgens. Do I need bloodwork first?Smart move — get a Total T and Free T panel before starting, then again at 12 weeks. Quest and Labcorp run this for under $100 without a doctor. How is this different from prescription TRT?Completely. This supports your body's natural production; TRT replaces it. Start here. Can I stack this with the Performance Stack?Yes. Training stimulus + nutrient floor + recovery = the full system. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.