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allergic reaction to ghk cu Reactions Signs Reaction to GHK-CU : r/BiohackingU
Description
It is an essential nutrient for nearly all animals, including humans

But if you are comparing products from different sources and one labels as sodium while the other labels as base, understand that they are not quite identical milligram-for-milligram

Some report cognitive clarity within days, but most improvements (focus, memory, drive) become noticeable over 24 weeks

(2023) currently a bioRxiv preprint, not yet peer-reviewed tested intranasal GHK-Cu in 20-month-old C57BL/6 mice over a two-month twice-daily dosing period, assessing spatial memory, learning-navigation performance, and neuroinflammatory/axonal integrity markers

[DOI] [PubMed] [Google Scholar] 77.Briyal S., Shah S., Gulati A

But sometimes it just doesn't add up and we need more information