Calcium D Glucarate supplement research and health benefit by Ray Sahelian, M.D.

D-glucarate is the anionic form of D-glucaric acid. D Glucarate is naturally found in some vegetables and fruits, including cruciferous vegetables, bean sprouts and apples. D-glucarate in the form of its calcium salt, calcium D-glucarate, is marketed as a nutritional supplement.

Source Naturals, Calcium D-Glucarate, 500 mg

Source Naturals Calcium D-Glucarate includes the patented compound glucarate which has been shown to enhance the major detoxification pathways in the body.  Calcium D-Glucarate, the calcium salt of D-glucaric acid, is found naturally in the human body and in a variety of fruits and vegetables.  Animal studies have shown that Calcium D-Glucarate inhibits B-glucuronidase, thereby enhancing the process of glucuronidase, in which foreign organic compounds, fat-soluble toxins and excess steroid hormones such as estrogen are detoxified and excreted from our bodies.

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Calcium D Glucarate in food
Calcium Glucarate is a naturally occurring non-toxic compound present in fruits, vegetables and seeds of some plants. Dietary calcium glucarate, a sustained-release from of glucarate, elevates the blood level of D-glucaro-1,4-lactone which suppresses blood and tissue beta-glucuronidase activity.

Benefit
Oral supplementation of calcium-D-glucarate inhibits beta-glucuronidase, an enzyme produced by colonic microflora and involved in Phase II liver detoxification. Elevated beta-glucuronidase activity is associated wire an increased risk for various cancers, particularly hormone-dependent cancers such as breast, prostate, and colon cancers.

Calcium D Glucarate summary
At this time I could not find any human studies with calcium d glucarate to determine the effectiveness of this natural supplement in terms of prevention or treatment of cancer. Until such studies are done, we can only guess at the effectiveness of this supplement, and even if it works, a lot of research needs to be done to determine what the ideal dosage would be and how long this nutrient needs to be used.

Calcium d glucarate supplement questions
Q. Do you know or has there been any studies on what effect calcium d glucarate has on testosterone levels in men? Does it help or hurt the free testosterone. I would think that by removing estrogens and toxins it would help the testosterone level, but then again testosterone is also removed by glucuronidation? I personally have been taking it for a few weeks for detox and it seems my sex drive is increasing as well.
   A. We searched Medline in February 2009 and did not find any studies regarding the influence of calcium d glucarate on testosterone levels.

Q. A question on Calcium d-Glucarate. I am a medical doctor. If I have someone taking a male supplement to boost testosterone, will the d-Glucarate boost the effect of the supplement or also pull the extra testosterone out of the system the supplement is producing along with estrogen? If the latter, I would gather they should be taken far apart in the day, correct?
   A. These are questions that are difficult to answer since hardly any studies have been done with the use of calcium d glucarate supplements.