can we take vitamin c and glutathione together for Healing Glowing Skin: IV Glutathione and

Rather than measuring B12 directly, the MR used 8 genetic variants (SNPs) known to raise B12 levels as a proxy for lifelong B12 levels

A 1987 study on mice determined oral glutathione to be nontoxic,27 and a 2017 toxicity study (also on mice) found that glutathione's LD (the amount of a substance needed to kill 50% of all test animals in one dose) was 5g/kg.6 An equivalent toxic dose for an 80kg human would be 32.5g, which is more than 32 times the highest amounts used in clinical studies

Further animal and in vitro studies suggest that epithalon may inhibit breast adenocarcinoma, linked to its telomerase activity [5]

10.1038/bonekey.2015.11 217 SerfatyA