are there any side effects of glutathione Injections: Benefits, Effects, and What Science Says Glutathione Injection Side Effects —
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It increases matrix remodeling and angiogenesis in healing tissues

doi: 10.1155/2014/580861 39 NeumannD.SanderA

This agrees with previous studies in lungs for a half-life extended IgG1 variant in non-human primates 24,37

If you have asthma, it is advisable to consult a doctor before taking glutathione supplements