Tell your doctor right away if you have a lump or swelling in your neck or throat, trouble swallowing or breathing, or if your voice gets hoarse
As part of its anti-inflammatory effect, GHK-Cu is known to suppress free radicals, thromboxane formation, transforming growth factor beta-1, tumor necrosis factor-alpha, and protein glycation
Two registered trials (one Phase 1 with no posted results, one Phase 2 still recruiting) and three small uncontrolled reports covering fewer than 30 subjects total
Teriparatide and abaloparatide prescribing information recommends concurrent calcium and vitamin D supplementation
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Theoretical concerns Copper accumulation: GHK-CU contains copper, raising theoretical concerns about accumulation with long-term use