Nanotechnology advanced sports nutrition through nano-nutrients, a tiny, highly bioavailable particle that overcomes the limits of the traditional supplement. Nano-nutrients differ from traditional supplements mainly due to high precision targeting and enhanced bioavailabilityBioavailability (enhanced). The scientific formulations are optimized for athletic performanceAthletic performance and recovery with precision delivery, improved absorptionAbsorption, and targeted physiological benefitsBenefits. This really happens in the synergetic combinations of the nano-nutrient itself, whereas traditional nutrients come in two or more side by side. Therefore, for example, nano-curcumin was enhanced in combination with nano-piperine in synergy to produce anti-inflammatory results, whereas nano-iron may be combined with vitamin C to optimize oxygen transport. Such synergies allow maximal effectivenessEffectiveness with minimal dosing requirements. This chapter digs into the science behind nano-nutrients: how they work, how they can work synergistically, and actual applications in sports and healthHealth. Several groundbreaking innovations thrusting this field forward are analyzed with special attention to how these novelties are transforming nutrition for athletes and healthy individuals. The chapter further explores evidence-based insights on the transformative potentiality of nano-nutrients for improving performance and recoveryRecovery optimization.