Patterns of Supplement Use in Prostate Cancer Survivors: A Cross-Sectional Survey.

Supplement use was highly prevalent among Irish prostate cancer survivors, reported by 85% of eligible respondents.

• 85% (n=29) of eligible respondents reported supplement use
• 82% (n=28) used vitamins/minerals
• 32% (n=11) used herbal products
• Survey conducted between May and June 2025 via a national cross-sectional online survey
• Of 74 total responses, 46% (n=34) were eligible

Vitamin D was the most frequently used supplement and turmeric was the most commonly used herbal product among prostate cancer survivors.

• Vitamin D was the most frequent vitamin, used by 50% (n=17) of respondents
• Turmeric was the leading herbal supplement, used by 18% (n=6) of respondents

Over half of supplement users had not discussed their supplement use with healthcare providers.

• 53% (n=18) had not discussed supplement use with healthcare providers
• This finding indicates a communication gap in survivorship care
• The authors concluded that improved communication and clinical guidance are needed

Erectile dysfunction and reduced libido were the most common symptoms reported by prostate cancer survivors in the study.

• 85% (n=29) of eligible respondents reported erectile dysfunction and reduced libido
• The survey collected information on symptoms as well as supplement use, reasons for use, and sources of information

The study population was predominantly older, overweight or obese, and several years post-diagnosis.

• 62% (n=21) were over 60 years of age
• 94% (n=32) were overweight or obese
• 47% (n=16) were 3-5 years post-diagnosis
• Sample size of eligible respondents was n=34