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10.1038/s41392-023-01570-w 16 ChenY.BrandizziF
Injections are far more effective, especially for anyone with an absorption issue like pernicious anemia, Crohns disease, or a history of gastric surgery
Vitamin C: Found in citrus, strawberries, and bell peppers, Vitamin C helps maintain glutathione levels by attacking free radicals first, sparing the glutathione for other tasks
Rigorous Testing: Every batch undergoes thorough testing to ensure safety, potency, and quality
Some suppliers are also selling new peptide active substances, the efficacy of which is not yet clinically proven
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