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Immune Booster: Just like glutamine, glutathione helps your immune system fight off infections

It's not just a nice add-on: Vitamin C helps regenerate used-up glutathione back into its active form, so pairing the two isn't a marketing gimmick

Even a recent 2026 review concludes the same thing that GHK-Cu appears safe but the evidence is largely preclinical and comprehensive human RCTs are lacking (Wojcieszuk et al., 2026)

However, no research directly compares continuous use versus cycling protocols (such as 12 weeks on, 4-8 weeks off), leaving optimal long-term strategies somewhat uncertain

Clinics offering professional IV therapy will assess your health before administering any glutathione drip to ensure safety