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Store lyophilized at -20C protected from light

Its gentle enough for sensitive skin, non-photosensitizing (meaning you can use it morning or night), and compatible with most other skincare ingredients

The control group exhibits the highest neuron density, representing the baseline levels expected in healthy conditions

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At the molecular level, the mechanism has been structurally resolved by NMR spectroscopy (Nature Communications, 2025): FOXO4-DRI binds to the disordered p53 TAD2 domain and forms a transiently folded complex through both the FOXO4-derived peptide region and its cationic cell permeability element

For researchers who have been tracking their retatrutide injection sites , adding a second compound means you need to be even more disciplined about site rotation to prevent lipodystrophy or injection site reactions