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Room-temperature storage shortens the safe-use window from 28 days to roughly 24 hours
You may need a vitamin B12 supplement if you're a vegan or vegetarian, you don't eat B12-fortified foods every day, and your prenatal vitamin doesn't include B12
Follow the product label and do not treat oral GHK-Cu tablets as the same category as injectable or research-use peptides
Different vial sizes require different water volumes to achieve target concentrations
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