2022 Sep;150(3):727-735.e6
Whole foods such as eggs and whey protein contain glutathione along with the amino acids the body uses to make more of it
For some, this can be a more comfortable option with less potential for soreness at the injection site

Aside from protecting cells from damage due to excessive oxygen or nitrogen radicals, glutathione plays a number of other key roles, including (1) : Detoxification of toxic compounds Facilitating plasma membrane transport of toxic substances for elimination Scavenging oxygen and nitrogen oxidants Recycling and regenerating other antioxidants (vitamins C and E) Removing heavy metals Regulating cell proliferation and apoptosis Supporting mitochondrial function and maintaining the health of mitochondrial DNA Without sufficient glutathione production or intake, low glutathione status can contribute to the development or worsening of various disease states, some of which include (2, 3) : Premature aging Neurodegenerative disorders (Alzheimers, Parkinsons) Cancer Diabetes HIV/AIDS Autoimmunity Infertility Mental health disorders Its a little nutrient that plays a big role, so supporting it in any way you can is critical to maintaining health and preventing chronic disease development

These can include B vitamins, with B-12 shots of methylcobalamin being the most common, and weight loss injections such as MIC injections