ByDr. Brennan Commerford, D.C.·Last reviewed: May 2026
All Ingredients
Specialty1 form

Diindolylmethane (DIM)

Preferred Form
DIM
Absorption Score
57/100Very Good
Evidence Level
Moderate Evidence

See all Diindolylmethane (DIM) forms ranked

Scored by absorption, bioavailability & formulary tier

View scores

Quick Answer

What is the best form of Diindolylmethane (DIM)?

DIM is our top-rated form of Diindolylmethane (DIM) — the form we recommend for its Good Absorption bioavailability. We compared 1 forms in our formulary.

✓ Top Pick: DIM

1forms compared

All Forms of Diindolylmethane (DIM)

FormTierAbsorption ScoreDose RangeUnit
DIMPreferred
57/100Very Good

Absorption by Form

Very Good
DIM
57/100

What is Diindolylmethane (DIM)?

Diindolylmethane (DIM) is a Specialty supplement available in 1 form.

Not all forms of Diindolylmethane (DIM) are equal. The form you choose determines how much Diindolylmethane (DIM) actually reaches your tissues, and the difference between the best and worst forms can be substantial. DIM (diindolylmethane) is the condensation product of indole-3-carbinol formed during digestion of cruciferous vegetables, and is the direct bioactive compound responsible for promoting healthy estrogen metabolism toward the favorable 2-hydroxyestrone pathway. Research supports DIM for promoting balanced estrogen metabolite ratios and healthy hormone clearance.

Forms of Diindolylmethane (DIM) Compared

Diindolylmethane (DIM) Preferred (Preferred Form) has a bioavailability rating of moderate (S3). Typical dose range: not yet documented in our database.

What the Research Shows

DIM (diindolylmethane) is a metabolite of indole-3-carbinol from cruciferous vegetables. Research demonstrates its role in shifting estrogen metabolism toward favorable 2-hydroxy pathways and away from proliferative 16-alpha-hydroxy metabolites. Clinical studies support its use for hormonal balance in both men and women.

How to Choose the Right Form

Diindolylmethane (DIM) is classified as Preferred Form by FormulaForge — our top recommendation for Diindolylmethane (DIM). It carries a bioavailability rating of moderate (S3), meaning more of the active compound reaches your tissues per dose unit compared to lower-rated forms.

When choosing a Diindolylmethane (DIM) supplement, look for the S1 (best absorption) bioavailability tier on the label. Preferred Forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

For Diindolylmethane (DIM), the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Dosing information not yet available for this ingredient.

Frequently Asked Questions

What is the best form of Diindolylmethane (DIM)?
Our top-ranked form of Diindolylmethane (DIM) is DIM. It has Good Absorption bioavailability, meaning your body absorbs and uses it efficiently. When choosing Diindolylmethane (DIM) supplements, prioritize this form over generic alternatives.
How much Diindolylmethane (DIM) should I take?
Dosing for Diindolylmethane (DIM) varies based on the specific form, your health goals, and individual factors. Consult a qualified healthcare provider for personalized guidance.
What does Diindolylmethane (DIM) support?
Diindolylmethane (DIM) is commonly used to support Specialty. Research suggests it plays a role in several physiological pathways. As with all supplements, these statements have not been evaluated by the FDA and Diindolylmethane (DIM) is not intended to diagnose, treat, cure, or prevent any disease.
Is Diindolylmethane (DIM) safe?
Diindolylmethane (DIM) is generally well-tolerated when taken at research-supported doses. As with any supplement, individual responses vary. Consult a qualified healthcare provider before use, especially if you are pregnant, nursing, have a medical condition, or take medications. These statements have not been evaluated by the FDA.

Ready to formulate with Diindolylmethane (DIM)?

Our formulary recommends DIM for optimal bioavailability. Build your personalized formula now.

Start My Formula

Compare & Learn More

FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.