Last verified: 17 days ago
Disodium EDTA
Also known as: Edetate Disodium, Ethylenediaminetetraacetic Acid Disodium Salt, EDTA, Disodium Edetate, Calcium Disodium EDTA
Evidence under review. — Not yet rated
A chelating agent used in IV therapy and preservatives. Clinical trials show it does NOT reduce heart events.
-
What it does
Disodium EDTA is a synthetic chelating compound — meaning it binds to metal ions like lead, calcium, and heavy metals. It has been used for decades as an IV infusion therapy (chelation therapy)...
-
Evidence quality
Evidence base hasn't been formally rated yet. See research below.
-
Clinical dose
No established oral dose; IV chelation used 3g per infusion in clinical trials
-
Found in
What the Science Says
Disodium EDTA is a synthetic chelating compound — meaning it binds to metal ions like lead, calcium, and heavy metals. It has been used for decades as an IV infusion therapy (chelation therapy) with the claim that it removes metals from the body and clears arteries. It is also used as a preservative in foods and cosmetics, and in topical antiseptic formulations to enhance antimicrobial activity. In lead poisoning, calcium disodium EDTA (a related form) is a legitimate medical treatment used to lower blood lead levels.
What It Doesn't Do
Does not reduce heart attacks, strokes, or cardiovascular deaths — two large NIH-funded clinical trials found zero benefit. Does not 'clean out' arteries in any proven way. Does not improve quality of life in heart disease patients. The original TACT trial's modest positive signal was not replicated in the follow-up TACT2 trial. Not a proven treatment for coronary artery disease.
Evidence-Based Benefits
Calcium disodium EDTA chelation effectively lowers blood lead levels in lead poisoning cases.
Moderate EvidenceEffective at: Medical dosing under physician supervision; not self-supplemented
Supporting studies (click to view on PubMed):
Low-dose EDTA in topical formulations enhances antimicrobial activity against bacteria.
Weak EvidenceEffective at: 0.01% in ophthalmic solutions; combined with other antiseptics in sprays
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Unknown for oral forms; IV administration bypasses absorption entirely. Topical and ophthalmic use is local, not systemic.
Red Flags to Watch For
- IV chelation therapy with disodium EDTA is not FDA-approved for cardiovascular disease and carries real risks including kidney damage and low calcium levels
- The largest replication trial (TACT2, 2024) found NO cardiovascular benefit, contradicting earlier weaker findings
- Chelation clinics often charge thousands of dollars for a treatment with no proven heart benefit
- Disodium EDTA and calcium disodium EDTA are different compounds — marketing often conflates them to imply medical legitimacy
- Children and people with kidney disease face heightened risks from EDTA chelation
- Presence in 379 supplement products does not imply safety or efficacy at those doses
Products Containing Disodium EDTA
See how Disodium EDTA is used in these analyzed products:
Frequently Asked Questions
What does Disodium EDTA do?
A chelating agent used in IV therapy and preservatives. Clinical trials show it does NOT reduce heart events.
What is the effective dose of Disodium EDTA?
No established oral dose; IV chelation used 3g per infusion in clinical trials
Is Disodium EDTA safe?
IV chelation therapy with disodium EDTA is not FDA-approved for cardiovascular disease and carries real risks including kidney damage and low calcium levels
What doesn't Disodium EDTA do?
Does not reduce heart attacks, strokes, or cardiovascular deaths — two large NIH-funded clinical trials found zero benefit.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25