The Science

Vireo’s Superior Ingredients: Backed by Science for Maximum Results

We believe in honesty and transparency, providing scientifically proven ingredients that work for men's health, energy, and confidence. No gimmicks—just real results.

  • Backed by research and strict EU and FDA guidelines
  • Say goodbye to mystery ingredients and ineffective supplements
  • Regain energy, confidence, and a stronger physique

Powerful, Natural Ingredients for Peak Performance

Vireo is formulated with a blend of natural, clinically-backed ingredients designed to support your body’s testosterone levels, energy, and overall health. No shortcuts, no gimmicks – just the best ingredients for real results.

Maca Root

Boost your energy and resilience. Maca helps you stay unstoppable, whether at work or in the gym, by reducing fatigue and increasing vitality.

https://pubmed.ncbi.nlm.nih.gov/35347728/

Ashwagandha

Manage stress and enhance strength. Ashwagandha lowers cortisol levels, improving muscle growth and keeping you mentally sharp and calm.

https://www.mdpi.com/2411-5142/6/1/20

DIM (Diindolylmethane)

Balance your hormones. DIM supports testosterone while reducing excess estrogen, helping you get the lean physique and confidence you want.

https://pmc.ncbi.nlm.nih.gov/articles/PMC3048776/

Zinc

Maintain high testosterone and boost your immune system. Zinc enhances strength, energy, and muscle mass, keeping you at your best.

https://pmc.ncbi.nlm.nih.gov/articles/PMC2277319/

Tribulus Terrestris

Improve performance and drive. Tribulus boosts testosterone, helping you stay energized and in control throughout your day.

https://www.mdpi.com/2072-6643/17/7/1275

Regulatory Compliance

We fully comply with both EU and U.S. health and nutrition regulations, ensuring that all of our marketing stays within the guidelines set by the relevant governing bodies. For more information on authorized health claims, please refer to the EU Register of Nutrition and Health Claims or visit the FDA and USDA websites. If you have any questions, feel free to contact us — we're always happy to share more details about the research behind our product!