490 LAB

📍 38 River Edge Rd, River Edge, New Jersey, 07661

490 LAB is a private recovery studio in River Edge, New Jersey, offering a modern, clinical-research-based approach to contrast therapy. The gym provides a completely private room for solo or paired sessions, featuring a dedicated sauna and cold plunge. The sauna is noted for its toasty, effective heat, generated by an impressive floor-to-ceiling stove that radiates warmth distinct from traditional box saunas. The cold plunge is consistently described as very chilly, with water temperatures noted around 39 degrees, providing a proper polar-plunge experience. Both facilities are highlighted for being exceptionally clean and state-of-the-art. The core offering is structured contrast therapy sessions, with a 60-minute session allowing for multiple rounds of sauna and cold plunge. Owner Josh provides essential guidance, coaching members through the process and offering complimentary breathwork techniques, specifically to help manage the initial shock of the cold plunge, which members find makes a significant difference. Gym members deeply appreciate the intentional, well-run design of the space and the knowledgeable, attentive coaching from Josh, who ensures both newcomers and seasoned enthusiasts get the most from their visit. The facility is consistently praised for being impeccably clean, professional, and welcoming. Members report effective benefits for physical recovery, reducing inflammation, and aiding athletic performance, making it a valued resource for athletes, active individuals, and anyone seeking mental and physical wellness optimization. The studio’s private nature allows guests to fully focus on their session in a dedicated, modern environment.