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The Phase II trials studied a topical ophthalmic solution of full-length T4 for dry eye, and even there the results were mixed on the primary endpoints
Understanding Hair Loss: Why GHK-Cu Addresses the Root Causes To understand why GHK-Cu helps hair growth, you need to understand what causes hair loss at the biological level
Human evidence for precursors is mixed: some trials report good safety, but metabolic endpoints such as insulin sensitivity have not consistently replicated in people
In functional medicine, they are paired with supplements like DHHB and personalized lifestyle plans to help address the root causes of cognitive decline and support long-term brain health
