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Calcium D-Glucarate

supporting detoxification pathways

Evidence · Grade C
Traditional use

Calcium D-Glucarate is a compound derived from D-glucaric acid, found in fruits and vegetables, that may support the body's detoxification processes, particularly the elimination of hormones like estrogen.

Last reviewed June 12, 2026 · AI-assisted, human-reviewed
Calcium D-glucarate is a substance formed by combining calcium with D-glucaric acid, a natural chemical produced in small amounts by humans and found in many fruits and vegetables. It is primarily used to support detoxification processes in the liver, particularly the elimination of excess hormones like estrogen.

Quick answer

What it is: Calcium D-glucarate is a substance formed by combining calcium with D-glucaric acid, a natural chemical produced in small amounts by humans and found in many fruits and vegetables.

May support:Estrogen Dominance

Evidence:Evidence · Grade C

Evidence Summary

Evidence · Grade C

The current understanding of Calcium D-Glucarate's effects is primarily based on in vitro studies, animal models, and theoretical mechanisms. There is a lack of robust human clinical trials to definitively establish its efficacy for specific health conditions. Therefore, claims regarding its benefits are largely speculative and require further investigation.

Last reviewed · Jun 2026

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Why It Works

Calcium D-glucarate inhibits beta-glucuronidase, an enzyme that can deconjugate estrogen metabolites in the gut, allowing them to be reabsorbed into the bloodstream. By inhibiting this enzyme, it promotes the excretion of these estrogen metabolites, thereby helping to reduce overall estrogen load in the body.

How it works in more detail

Upon ingestion, Calcium D-Glucarate is hydrolyzed to D-glucaric acid. D-glucaric acid and its derivatives, particularly D-glucaro-1,4-lactone, are potent inhibitors of beta-glucuronidase. Beta-glucuronidase is an enzyme produced by gut bacteria and some mammalian tissues that can deconjugate glucuronidated compounds. Glucuronidation is a crucial phase II detoxification pathway in the liver where substances like estrogens, androgens, glucocorticoids, thyroid hormones, bile acids, and various xenobiotics are conjugated with glucuronic acid, making them more water-soluble for excretion. If beta-glucuronidase activity is high, these conjugated compounds can be deconjugated in the gut, allowing them to be reabsorbed into the bloodstream rather than excreted. By inhibiting beta-glucuronidase, Calcium D-Glucarate may reduce the reabsorption of these compounds, thus promoting their elimination and potentially influencing hormone balance, such as estrogen levels.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
500-1500 mg per day, often divided into multiple doses, typically with meals.
Research dosage range
Research dosages have varied significantly across in vitro and animal studies, and there is no consistent dosage range established from human clinical trials.
Typical onset
The onset of effects for Calcium D-Glucarate is not well-documented in human studies. Based on its proposed mechanism of supporting detoxification, any potential effects would likely be gradual and cu
Typical forms
capsule, powder
Quality markers
When purchasing Calcium D-Glucarate, look for products from reputable manufacturers that provide third-party testing for purity and potency. Ensure the product label clearly states 'Calcium D-Glucarate' and lists the amount per serving. Avoid products with unnecessary fillers or artificial ingredien

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Suggested dosage

500-1500 mg per day, often divided into multiple doses, typically with meals.

General guidance — discuss specifics with a clinician.

Active medicinal compounds

D-glucaric acid, D-glucaro-1,4-lactone

Traditional use

Calcium D-Glucarate itself is a relatively modern supplement. However, D-glucaric acid, from which it is derived, is naturally present in many fruits and vegetables that have been part of traditional diets for centuries, suggesting a long history of dietary exposure to these compounds.

Safety

Safety warnings

Generally considered safe for most adults when taken at recommended doses. Mild gastrointestinal upset (gas, bloating) has been reported in some individuals.

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

No indexed evidence yet. We're still building out this remedy's evidence ecosystem.

Limitations: A significant limitation is the absence of human clinical trials, especially randomized controlled trials, to confirm the effects observed in laboratory and animal studies. The existing evidence does not provide sufficient data on optimal dosages, long-term safety, or efficacy in human populations for various conditions, including estrogen dominance.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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