Front Pharmacol 2020;11:585633
One older study found that taking 800 mg of this supplement daily for 30 days did not treat ED

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Lastly, as the standardized treatment plans have not yet been established, further studies, exploration, and summary are needed
Labeled 30 mg/g copper peptide
Nguyen NT, Kimura A, Nakahama T, Chinen I, Masuda K, Nohara K, et al