1. High-fiber plant-based dietary intervention showed promising results in precursor plasma cell disorders.
2. Increased dietary adherence and reduced BMI were observed.
3. Dietary fiber intake nearly doubled, and Healthy Eating Index (HEI)-2020 score improved.
4. Positive gut microbiome changes were noted.
5. Correlations between dietary parameters and microbiome composition were identified.
6. Study demonstrated potential to delay progression to active multiple myeloma. 

Source: Nutrition 2025