Nutrition and Workplace Productivity: An Often-Overlooked HR Priority.

In today’s work environment, where productivity, engagement, and mental health are central concerns, one essential factor is often underestimated: nutrition. While wellness programs tend to emphasize stress management and physical activity, the direct impact of dietary habits on professional performance remains underexplored in many organizations.

Fatigue at Work: A Widespread Organizational Challenge

Many professionals report experiencing mid-day fatigue, difficulty concentrating, and fluctuating energy levels. These symptoms are frequently associated with poor dietary habits—such as skipping meals, overconsuming sugar, or relying heavily on caffeine. In fast-paced work environments, it’s easy to deprioritize nutrition in favor of immediate productivity, yet this trade-off can be costly.

A study by Brigham Young University involving 20,000 employees revealed that those with unhealthy diets were 66% more likely to experience productivity loss, and employees who rarely consumed fruits and vegetables were 93% more likely to be unproductive during work hours (1).

Nutrition and Cognitive Performance: A Tangible Link

Balanced, nutrient-rich meals contribute to steady energy levels, improved focus, and stronger emotional regulation. Organizations that support healthy eating observe benefits such as better decision-making, reduced irritability, and enhanced collaboration.

According to the International Labour Organization (ILO), poor nutrition can reduce productivity by up to 20%, due to fatigue, poor concentration, and nutrition-related health issues (2).

Why Nutrition Should Be Integrated into HR Strategy

Workplace health strategies that include a nutritional component are no longer a luxury—they are a necessity for sustainable performance. A systematic review of 39 studies concluded that nutrition and physical activity interventions not only improve employee health, but also have a positive impact on absenteeism, presenteeism, and overall performance (3).

Simple and cost-effective initiatives can include:

• Encouraging employees to take real, uninterrupted meal breaks
• Offering nutritious snacks in shared spaces
• Providing workshops on nutrition and energy management
• Integrating food awareness into wellness programs

These actions demonstrate a tangible commitment to employee well-being and strengthen the employer brand.

A Strategic Perspective for Managers and HR Leaders

Nutrition is not merely a personal concern—it is a strategic lever for organizational success. By supporting healthy eating habits, companies can reduce healthcare costs while fostering more energized, focused, and resilient teams.

As business leaders look for sustainable ways to improve retention, engagement, and performance, investing in workplace nutrition emerges as a clear, evidence-based opportunity (4).

Want to take action?

At Iceberg Management, we support organizations in developing concrete, high-impact solutions for wellness and performance—including strategies focused on sustainable energy at work.

Contact us to discuss how we can help align health and HR objectives in your organization

References
1. Benefits and Pensions Monitor. Healthy eating increases productivity lowers health costs. Link

2. International Labour Organization. Poor workplace nutrition hits workers’ health and productivity. Link

3. Cancelliere, C., Cassidy, J. D., Ammendolia, C., & Côté, P. (2011). Are workplace health promotion programs effective at improving presenteeism in workers? A systematic review and best evidence synthesis of the literature.  Link

4. ResearchGate. The relationship of a healthy diet with the level of productivity among office workers. Link