Boost EnduranceDietary SupplementQuality Tested Pass GuaranteedHighly Specialized ProductsPowerful Testosterone Booster that also supports muscle recovery & repair for men of all ages.Optimum-Strength Testosterone Up Pro-GrowtH was designed to enhance male physiology by delivering a powerful testosterone boost along with targeted extracts and nutrients to support post-work out recovery and key muscle repair and growth mechanisms.Testosterone Boost: Featuring PrimaVie Shilajit Extract. Traditional Ayurvedic texts describe Shilajit as a Rasayana, or Rejuvinator that has long been used to promote longevity and resilience. Modern research shows that PrimaVie® Shilajit significantly boosts free and total testosterone in healthy men.Muscle Adaptation & Post Work-Out Recovery Support: KSM-66® Ashwagandha + PrimaVie® Shilajit Extract both deliver powerful performance boosts by supporting muscle adaptations to optimize intra-workout performance and enhance post work-out recovery for superior muscle gains. This formula also delivers Omega-3 dense Fish Oil, and Vitamin D3 to promote a healthy inflammatory response—a critical component to muscle repair and growth. Aminos + AstraGin®: This formula features a select combination of amino acids that have been a focus in longevity research and are thought to support key processes in the body. AstraGin® is a proprietary extract that enhances absorption of amino acids for optimized nutritional benefits. For desired results, use in conjunction with regular resistance training.What makes us different:Liquid Soft-Gels – The nutrients in these easy-to-swallow Liquid Soft-Gels are released fast. Other forms of delivery can contain binders and fillers that may cause stomach upset and offer no nutritional value. Advanced Liquid Soft-Gels provide an optimum delivery system.Quality Assurance – Irwin Naturals® is committed to providing the highest quality products for your health. We employ compliance testing to ensure purity and potency.Patented BioPerine® – Our special BioPerine Complex enhances the bioavailability, absorption and potency of many nutrients.

Testosterone support, mostly known as test-boosters, are supplements that help increase testosterone levels in the blood. 

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