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For reconstitution of lyophilised peptide research compounds with Bacteriostatic Water, add the Bacteriostatic Water to the lyophilised powder vial rather than adding powder to water and this ensures complete powder wetting and dissolution without generating undissolved aggregates

Take a new alcohol wipe and firmly scrub the top of the rubber stopper

Long journeys, disrupted sleep, time-zone changes, and irregular eating habits may lead to fatigue

This includes confirmed low serum vitamin B12 levels, pernicious anaemia, malabsorption states such as coeliac disease, inflammatory bowel disease, or post-gastric or bariatric surgery, unexplained anaemia, neuropathy or neurological symptoms consistent with vitamin B12 deficiency, a long-term vegan diet with symptoms or low levels, or failure of oral vitamin B12 supplementation