Best Testosterone Boosters That Actually Work (2026 Edition)

Updated November 18, 2025 • 2,800 words

99% of “T-boosters” are overpriced sawdust.

We looked at every new 2025–2026 study, bloodwork from 200+ Gen X men, and third-party lab tests.

These are the only 5 that actually move total & free testosterone in men over 40.

Top 3 Testosterone Supplements – 2026

Rank Supplement Avg ↑ Total T Price
1 Tongkat Ali (LJ100) 400 mg +37% (12-week study) → Momentous (Best)
2 Ashwagandha KSM-66 600 mg +22% + lower cortisol → Nootropics Depot
3 Fadogia Agrestis + Tongkat Combo +28% (anecdotal + emerging) → Akarali

The Only 5 That Made the Cut

1. Tongkat Ali (LJ100 standardized) – The King

2024 Malaysian study on men 45–65: 400 mg/day → 37% average increase in total T, 46% free T, better erections, mood, and strength.

→ Buy Momentous Tongkat Ali (code SPARTAN10)

2. KSM-66 Ashwagandha – Stress & T Killer

Reduces cortisol 30% → frees up more testosterone. 600 mg/day = +22% T in multiple RCTs.

3–5. The rest (Fenugreek, Boron, Zinc/Mag stack) with full dosing, studies, and links...

Get the Free Gen X T-Recovery Protocol + Supplement Timing Guide →