Clarifying Connection Between Whey Protein and Acne: Findings from Six-Month Trial

Key Findings:

• A total of 49 participants, with a mean age of 19.7 years in the whey protein group and 20.3 years in the non-whey protein group, were included in the study.
• The trial's findings revealed no statistically significant differences in facial and truncal total acne lesions between the whey protein and non-whey protein groups.
• The mean differences were -5.99 (p = 0.09) and -2.18 (p = 0.65), respectively.
• Furthermore, only one participant (4.3%) in the non-whey protein group reported an increase in acne severity on the Investigator Global Assessment scale.

The results of the trial suggest that over the six-month period, men with acne who incorporated whey protein supplementation did not experience a significant difference in acne lesions or severity compared to those in the non-whey protein group. This noninferiority difference provides valuable insights into the ongoing debate surrounding the potential impact of whey protein on acne. Acne, a common dermatological concern, often leads to speculation about its relationship with dietary choices.

The study's findings contribute to a growing body of evidence that aims to provide a more nuanced understanding of the factors influencing acne severity. As discussions on the relationship between diet and dermatological conditions persist, evidence-based studies play a crucial role in dispelling myths and offering practical insights. The results of this trial underscore the importance of informed decision-making regarding nutritional choices, providing reassurance to those who include whey protein in their dietary regimen.

Further reading: Whey protein and male acne: A double-blind, randomized controlled trial.  https://doi.org/10.1111/1346-8138.17109.