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DIM (Diindolylmethane) Research & Evidence

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Evidence Level

Moderate

DIM has moderate clinical evidence supporting its role in estrogen metabolism. A key 2004 study by Dalessandri et al. demonstrated that 108mg of absorption-enhanced DIM daily significantly increased the urinary 2:16-hydroxyestrone ratio in postmenopausal women. Additional research in cervical dysplasia (Del Priore et al., 2010) showed some benefit. While mechanistic data is strong, large-scale RCTs are still needed to confirm clinical endpoints.

Evidence by Condition

ConditionStudied DoseEvidence
Estrogen metabolism support100-200mg dailyModerate
Cervical health150-300mg dailyEmerging
Prostate health100-200mg dailyEmerging

References

  1. (). Pilot study: effect of 3,3'-diindolylmethane supplements on urinary hormone metabolites in postmenopausal women with a history of early-stage breast cancer. Nutrition and Cancer. DOI
  2. (). Oral diindolylmethane (DIM): pilot evaluation of a nonsurgical treatment for cervical dysplasia. Gynecologic Oncology. DOI