ISI® Elite Training group class
credit: ISI® Elite Training
The partnership kicks off with the IRON28 Challenge, a 28-day program designed to integrate structured training with guided nutrition

ISI® Elite Training has announced a new partnership with Macrostax Team, a nutrition software platform that provides personalized, science-backed meal plans. The collaboration aims to enhance ISI Elite Training’s strength and conditioning model by integrating a structured nutritional approach, giving members access to tools that support both their training and dietary needs.

ISI Elite Training, known for its 50-minute, high-intensity sessions focused on functional strength and endurance, is expanding its offerings to include customized nutrition planning through Macrostax Team. The Macrostax platform provides macro-based meal plans tailored to individual goals, allowing users to track food intake, set fitness and nutrition targets and receive guidance on optimizing performance and recovery.

For members, this partnership offers access to a dashboard where coaches can monitor individual and group progress, particularly during nutrition challenges. The Macrostax app enables members to track their meals and macros while receiving ongoing support from their fitness community.

The partnership is launching with the IRON28 Challenge, a 28-day program designed to reinforce fitness habits through structured training and guided nutrition. As part of the challenge, participants will have access to Macrostax’s app to follow customized meal plans, track their progress, and engage with challenge groups for accountability and motivation.

While the IRON28 Challenge marks the first major initiative between the two companies, the partnership is intended to extend beyond a single program. ISI Elite Training and Macrostax Team plan to continue integrating training and nutrition to help members improve performance, recovery and overall health.

The collaboration reflects a broader industry trend of fitness brands incorporating digital tools and personalized nutrition to support members beyond the gym floor.

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