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Still - the science suggests it deserves a second look

After cryopreservation, motility, viability, mitochondrial activity, plasma membrane integrity, acrosome integrity, concentration of malondialdehyde (MDA), superoxide dismutase (SOD), and catalase (CAT), and ability of frozen-thawed sperm cells to support in vitro embryonic development were evaluated

Interaction with Certain Medications The supplements may interact with certain medications, including blood thinners and thyroid hormone replacement therapy

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It says that these peptides increase the heart rate and cause systemic vasodilation [1]