How long does creatine last. I have a two year old, unopened bottle of creatine that does not have an expiration date on it. Will it still be effective? Is it safe to use?
Answer #1
If you have a two year old unopened bottle, I would NOT recommend using it. The creatine I have (still unopened) has a expiration date of around 1.5 to 2 years. Just buy another bottle of creatine to be on the safe side. Better to be safe than sorry.
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