what is l-glutathione L-Glutathione, reduced, 98+% We Like Vitamins | NSF

Improved Immune Function With better absorption and potency, your immune system gets the support it needs to combat infections, reduce fatigue, and promote overall well-being

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Limited Oral Bioavailability The poor oral bioavailability of most peptides necessitates injectable administration, which can affect patient acceptance and adherence

Early NK cells with antiviral and antitumor activity constitute a relatively large proportion of innate immune cells [53]

Still it could be part of the problem in your situation

For a direct comparison with steroids, see Peptides vs Steroids: Key Differences, Benefits, and Safety Concerns