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Oral and topical glutathione serve different purposes
doi: 10.1016/j.lanepe.2022.100524
Supplementation aims to replenish glutamine stores, thereby reinforcing the intestinal barrier and supporting immune cell activity
Injectable GHK-Cu should always be administered with due caution and only by qualified researchers or laboratory professionals
The most common side effects are digestive: - Nausea (usually improves over time) - Vomiting - Diarrhea or constipation - Stomach pain These are usually manageable with slow dose increases
Clinical data emphasizes its safety and basic antioxidant protection, suitable as a daily health supplement
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