Effect of Moderate Red Meat Intake Compared With Plant-Based Meat Alternative on Psychological Well-Being: A 10-Wk Cluster Randomized Intervention in Healthy Young Adults.

Summary

This 10-week cluster randomised controlled trial investigated whether moderate red meat consumption differentially affects psychological well-being compared with plant-based meat alternatives in healthy young adults. Conducted by researchers predominantly affiliated with New Zealand institutions, the study contributes to an emerging evidence base on the mental health implications of dietary protein source substitution. The findings are likely to inform discussions around the nutritional adequacy and psychological consequences of shifting from animal-sourced to plant-based protein products.

UK applicability

Although the study was likely conducted in New Zealand, the findings are broadly applicable to UK dietary policy debates, particularly given growing consumer uptake of plant-based meat alternatives and ongoing guidance around red meat consumption from bodies such as the NHS and SACN.

Key measures

Psychological well-being scores (validated questionnaire instruments); dietary intake; likely biomarkers of nutritional status (e.g. iron, B12, zinc)

Outcomes reported

The study measured psychological well-being outcomes in healthy young adults consuming moderate quantities of red meat compared with plant-based meat alternatives over 10 weeks. Outcomes likely included validated measures of mood, affect, and subjective well-being.

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