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Use caution if you have cancer history, autoimmune disease, bleeding disorders, copper metabolism disorders (such as Wilsons disease), or if you take anticoagulants, immunosuppressants, or hormone-active therapies

For research reproducibility, the details that matter are purity and documentation, because an impure or mislabelled compound makes results meaningless

Suitable water soluble preservatives which are employed in the drug delivery vehicle are sodium bisulfate, sodium thiosulfate, potassium thiosulfate, ascorbate, benzalkonium chloride, chlorobutanol, thimerosal, parabens, benzyl alcohol, phenylethanol and others