In 2021, Sitohang et al., in a randomized, double-blind, placebo-controlled study, evaluated a combination antioxidant formula containing glutathione for 12 weeks on UV-induced pigmentation in women 3065 years of age in Indonesia [76]
Common maintenance approaches include staying at the dose where you stabilized (often 1.0 to 1.7 mg), reducing by one dose level from your peak (e.g., from 2.4 mg to 1.7 mg), or finding the minimum dose that prevents weight regain while minimizing side effects
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References Heffernan, M., Summers, R.J., Thorburn, A., Ogru, E., Gianello, R., Jiang, W.J., & Ng, F.M
[2] These limits specifically apply to supplemental forms, including magnesium glycinate, and are set to minimise the risk of osmotic diarrhoea, the primary adverse effect associated with excessive magnesium intake in healthy individuals