DIM Diindolylmethane 100 mg by Mason Natural — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Capsule(s) Serving Size

Other Combinations Product Type

50% Evidence Coverage

Supplement Facts — Evidence Check

Calcium

35 mg (3% DV)

DIM

100 mg

📊 Market median: 200.0mg (3 products) 📚 10 studies (Tier A: 1, B: 3)

This product: 100mg

Other Ingredients

Cellulose Gelatin Magnesium Stearate Silica Titanium Dioxide

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (96% of products) Structure/Function (88% of products) Nutrient (2% of products) No Claim (1% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Adults - Take one capsule daily, preferably with food, as a dietary supplement.

⚠️ Warnings & Precautions

Warning: Do not use DIM if you have a hormone-sensitive condition.

If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-evident seal: Do not use product if seal appears tampered.

🧪 Formulation Notes

May support favorable estrogen levels

Guaranteed no added: Sugar, starch, sodium, yeast, soy, corn, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, crustacean shellfish, artificial flavors or preservatives.

Soy free

Additional Information

Mason Guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice Certified

Mason Natural Est. 1967

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Product Details

UPC / SKU 3 11845 17815 2

DSLD Entry Date 2020-02-26

Product Type Other Combinations

Form Capsule

Brand Mason Natural

DSLD ID 214446

Data Updated 2026-04-11

Research Evidence

5 Research Sources

44 Avg Quality Score

5 Rct

C A randomized, placebo-controlled trial of diindolylmethane for breast cancer biomarker modulation in patients taking tamoxifen

Rct Breast cancer research and treatment 2017

PubMed DOI

C Phase Ib placebo-controlled, tissue biomarker trial of diindolylmethane (BR-DIMNG) in patients with prostate cancer who are undergoing prostatectomy

Rct European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP) 2016

PubMed DOI

C Effectiveness of 3,3'-Diindolylmethane Supplements on Favoring the Benign Estrogen Metabolism Pathway and Decreasing Body Fat in Premenopausal Women

Rct Nutrition and cancer 2023

PubMed DOI

C The effects of light exposure on the cortisol stress response in human males.

Rct Stress (Amsterdam, Netherlands)

PubMed DOI

D Pilot study: effect of 3,3'-diindolylmethane supplements on urinary hormone metabolites in postmenopausal women with a history of early-stage breast cancer

Rct Nutrition and cancer 2004

PubMed

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