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Development History After the discovery of GHK-CU in the 1980s, researchers quickly identified limitations: the peptide was fragile, broke down when exposed to other skincare ingredients, and had limited penetration depth

B12 shots are often prescribed by medical providers to treat B12 deficiencies and pernicious anemia

The Journal of Clinical Investigation, 92 (5), 2368-2376.

Supports Hair, Skin & Nails Healthy B12 levels contribute to stronger hair, healthier skin, and improved nail growth

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Sleep Quality Growth hormone is primarily secreted during deep sleep, which is why the combination is typically administered in the evening