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Returning to an opened saline vial for a second draw is a contamination risk every time, regardless of how quickly you work
If you have a family history of autoimmune disease or have an autoimmune disease, you should speak with your doctor about having proper testing to determine if this is the cause of your B12 deficiency
Myth #1: It's Proven to Be Safe This is the most critical myth to address
dilute acetic acid) , for peptides that dissolve poorly or aggregate at neutral pH (for example, some hydrophobic sequences) Bacteriostatic physiological saline , a combination of preservative and isotonicity For the vast majority of common research peptides, however, bacteriostatic water is the first choice and the recommended standard
