1. L-Arginine – Blood flow & erection quality

Mechanism:

  • Converts into nitric oxide (NO) → relaxes blood vessels → improves blood flow to the penis
  • This is the same pathway targeted by Viagra (cGMP system)

Evidence:

  • Meta-analysis of 10 RCTs (540 men):
    → Significant improvement in erectile function vs placebo
  • Works especially well for mild–moderate ED

Study link:

👉 Conclusion:
“Supports nitric oxide production for improved blood flow and stronger erections”

2. Panax Ginseng – Libido, stamina & erection quality

Mechanism:

  • Improves nitric oxide synthesis
  • Enhances sexual arousal & performance
  • Reduces fatigue and boosts energy

Evidence:

  • Multiple randomized controlled trials show:
    • Improved erection quality
    • Increased sexual desire
    • Better satisfaction scores

Study link:

👉 Conclusion:
“Clinically studied adaptogen that boosts performance, stamina, and libido”

3. Tribulus Terrestris – Libido support

Mechanism:

  • Traditionally linked to testosterone & libido
  • May improve sexual desire and satisfaction

Evidence:

  • Human evidence is mixed
  • Recent review:
    → Low evidence for testosterone increase or strong ED improvement
  • Some studies show improved sexual function scores, not hormones

Study link:

👉 Conclusion:
“Supports libido and overall sexual vitality”

4. Maca – Libido & sexual desire

Mechanism:

  • Works mainly via brain/libido pathways, not hormones
  • May improve sexual desire, mood, and energy

Evidence:

  • Studies show:
    • Increased libido after 6–12 weeks
    • Some improvement in mild ED
  • But overall research is limited

Study link:

👉 Conclusion:
“Clinically observed to enhance libido and sexual desire”

5. Combination Effect

Your stack is actually scientifically validated as a combo 👇

Clinical trial:

  • Ginseng + Tribulus + L-arginine:
    → Improved erectile function (IIEF scores) vs baseline
  • Another study confirms:
    → “Potential to improve erection quality”

Study links:

👉 Conclusion:
“Clinically studied ingredient combination shown to improve erectile performance”