DIM is an indole phytochemical that is a natural metabolic of compounds found in cruciferous vegetables such as broccoli, Brussels sprouts and cabbage. When an indole 3 carbinol supplement is ingested, it converts in the gut into diindolylmethane.

Source Naturals - DIM (Diindolylmethane), 100 mg, 60 Tablets

In animal and in-vitro studies.  DIM has been shown to lead to the preferential formation of estrogen, and cervical tissues.  This unique property sets DIM apart from other plant nutrients.  Source Naturals DIM is combined with phosphatidyl choline, vitamin E and bioperine for enhanced absorption.

 

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Diindolylmethane Supplement Facts
Vitamin E (as D-alpha tocopheryl)
Diindolylmethane (DIM)
Phosphatidyl Choline
Pepper Fruit Extract (Bioperine)

Suggested Use: 1 to 2 diindolymethane tablets per day with meals, or as recommended. by your health care professional.

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DIM diindolymethane and prostate cancer
Diindolymethane appears to have antiproliferative and proapoptotic effects in prostate cancer cells. DIM -induced cell proliferation inhibition and apoptosis induction are partly mediated through the down-regulation of androgen receptors and NF-kappaB signaling.

Another Reason to Eat Broccoli
Researchers at the University of California, Los Angeles, found in lab studies that diindolymethane (DIM), a compound resulting from digestion of cruciferous vegetables, and genistein, an isoflavone in soy, reduce the production of two proteins needed for breast and ovarian cancer to spread. The UCLA team plans to evaluate the theory in mice.Cancer cell membranes have high levels of a surface receptor known as CXCR4, while the organs to which the cancers spread secrete high levels of CXCL12, a ligand that binds to that particular receptor. This attraction stimulates the invasive properties of cancer cells and acts like a homing device, drawing the cancer cells to organs like the liver or brain. When cancer cells were treated with either DIM or genistein, movement toward CXCL12 was significantly reduced compared to untreated cells.

Combining diindolylmethane and paclitaxel for breast cancer
3,3'-diindolylmethane and paclitaxel act synergistically to promote apoptosis in HER2/Neu human breast cancer cells.
J Surg Res. 2006 May 15;132(2):208-13. Epub 2006 Mar 31.  McGuire KP, et al. Department of Surgery, Jefferson Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.
HER2 / neu positive breast tumors are difficult to treat. About 25 to 30% of invasive breast tumors overexpress the HER2 / neu oncogene. These tumors are aggressive and become resistant to chemotherapeutic drugs. 3'3'-diindolylmethane (DIM), the active metabolite of indole-3-carbinol, a naturally occurring compound found in cruciferous vegetables, has been found to have anti-cancer properties in both humans and animals. DIM has been shown to induce cell cycle arrest and apoptosis in animal breast cancer models. CONCLUSIONS: Diindolylmethane in combination with paclitaxel synergistically inhibits growth of Her2 / neu human breast cancer cells through G2M phase cell-cycle arrest and induction of apoptosis / necrosis. The Her2 / neu receptor and its downstream signaling protein ERK1/2 appear to be involved in DIM's affect on cell growth and differentiation, whereas apoptosis appears to be mediated through the mitochondrial pathway (Bcl-2/PARP). It appears diindolylmethane, a naturally occurring, nontoxic compound, may be a beneficial addition to a traditional (taxane-based) chemotherapy regimen.

Diindolylmethane Research
Pilot study: effect of 3,3'- diindolylmethane supplements on urinary hormone metabolites in postmenopausal women with a history of early-stage breast cancer.
Nutr Cancer. 2004;50(2):161-7. Dalessandri KM, Firestone GL, Fitch MD, Bradlow HL, Bjeldanes LF.
Department of Molecular and Cell Biology, University of California, Berkeley, 94720-3200, USA.
Dietary indoles, present in Brassica plants such as cabbage, broccoli, and Brussels sprouts, have been shown to provide potential protection against hormone-dependent cancers. 3,3'-Diindolylmethane (DIM) is under study as one of the main protective indole metabolites. Postmenopausal women aged 50-70 yr from Marin County, California, with a history of early-stage breast cancer, were screened for interest and eligibility in this pilot study on the effect of absorbable DIM (BioResponse- diindolylmethane) supplements on urinary hormone metabolites. The treatment group received daily DIM (108 mg diindolylmethane /day) supplements for 30 days, and the control group received a placebo capsule daily for 30 days. Urinary metabolite analysis included 2-hydroxyestrone (2-OHE1), 16-alpha hydroxyestrone (16alpha-OHE1), diindolylmethane, estrone (El), estradiol(E2), estriol (E3), 6beta-hydroxycortisol (6beta-OHC), and cortisol in the first morning urine sample before intervention and 31 days after intervention. Nineteen women completed the study,for a total of 10 in the treatment group and 9 in the placebo group. DIM-treated subjects, relative to placebo, showed a significant increase in levels of2-OHE1 (P=0. 020), diindolylmethane (P =0. 045), and cortisol (P = 0.039), and a nonsignificant increase of 47% in the 2-OHE1/16alpha-OHE1 ratio from 1.46 to 2.14 (P=0.059). In this pilot study, DIM increased the 2-hydroxylation of estrogen urinary metabolites.

Q.  Is DIM diindolylmethane product for women only? Or, can it be used by men to help raise their testosterone?
   A. Not enough human research has been done with DIM diindolylmethane to determine which clinical conditions this supplement is useful for and how it effects hormone levels.

Q. I am a chiropractor in San Diego, CA. I have a few questions about the DIM product. Is this product pharmaceutical grade? Do you have an assay graph for this DIM product or do you know where I can get one?
   A. The DIM product is made by Source Naturals and you can visit their website at www.sourcenaturals.com to ask them directly.

Q. I would iike to buy a stable form of DIM. Please help me to find a stable form of DIM. Is Source Naturals a stable form of DIM? Finally, is the Bioresponse Dim in some products the only DIM that should be considered by consumers wishing to use a safe and effective form of DIM?
   A. We are not aware of any studies that have examined the different forms of DIM diindolylmethane products on the market to determine which are the most effective. As far as we know, Source Naturals DIM product is of high quality.