They are non-irritating and can even help calm inflammation and redness in reactive skin
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Cell Viability Assay The cell viabilities of different concentrations of GHK, Cu(OAc) 2 and CuCl 2 against Human adult low Calcium high Temperature (HaCaT) keratinocytes were studied by MTT assay in 6 replicates
But "supports immune cell function" is a biochemical statement, not proof that IV glutathione prevents or shortens illness
Food & Drug Administration (FDA) includes epitalon in its group of peptides that pose a risk of immunogenicity, in which the body reacts to a substance as though it were a threat and mounts an immune response against it.37 The FDA warns that such immune responses can be life-threatening, so epitalon isnt completely safe for everyone.38 In addition, the healthcare providers weve consulted suggest that women who are pregnant or breastfeeding should avoid epitalon, along with other therapeutic peptides, since there isnt enough research to confirm safety for them or their fetus/child