Disodium EDTA Disodium EDTA contains only disodium ions and is also used in chelation therapy to remove heavy metals from the body
Start at the low end
Scientists claim that topical products act locally and generally have a low systemic absorption rate, which limits their ability to compromise the fetus

2004 DOI: 10.1093/jn/134.3.489 PMID: 14988435 Read on PubMed Biochimica et Biophysica Acta Glutathione synthesis Lu SC 2013 DOI: 10.1016/j.bbagen.2012.09.008 PMID: 22995213 Read on PubMed Molecular Aspects of Medicine Glutathione: overview of its protective roles, measurement, and biosynthesis Forman HJ, Zhang H, Rinna A 2009 DOI: 10.1016/j.mam.2008.08.006 PMID: 18796312 Read on PubMed Molecular Aspects of Medicine Glutathione in liver diseases and hepatotoxicity Yuan L, Kaplowitz N 2009 DOI: 10.1016/j.mam.2008.08.003 PMID: 18786561 Read on PubMed American Journal of Physiology - Cell Physiology Radical-free biology of oxidative stress Jones DP 2008 DOI: 10.1152/ajpcell.00283.2008 PMID: 18684987 Read on PubMed Biochemical Journal How mitochondria produce reactive oxygen species Murphy MP 2009 DOI: 10.1042/BJ20081386 PMID: 19061483 Read on PubMed Biochimica et Biophysica Acta Glutathione and infection Morris D, Khurasany M, Nguyen T, et al

It has anti-inflammatory, antioxidant, cytoprotective, immunomodulatory, wound healing, and anti-tumor effects [11]