During an acclimatization period of 1 week after purchase, the animals were fed a standard commercial rodent diet (GEPSA FEEDS, Buenos Aires, Argentina) containing -g/kg diet-: carbohydrates -corn, sorghum, wheat, oats, barley- 420, protein 240, fat 60, fiber 70, minerals and vitamins 80, water 130
Most researchers report no noticeable potency issues at the 5-week mark, but conservative protocols suggest using the vial within 4 weeks and discarding any remainder
Storage temperature range (28C) and shelf life (28 days refrigerated) are the same, but GHK-Cu requires amber or opaque containers as a non-negotiable addition
Keep it away from light, either in its original packaging or a dark container in the fridge