The theoretical concern remains exactly that
The safety profile in unsupervised use, with research-grade (non-GMP) peptides, may differ substantially
Extrapituitary expression of GH has been detected in the human retina and vitreous fluid, 94 and GH has been demonstrated to directly stimulate the proliferation of human retinal microvascular endothelial cells in vitro
Source: The blood-brain barrier (BBB) is composed of specialized components called neurovascular units or NVUs, which include: Endothelial cells , which line the barrier Astrocytic endfeet , which are part of nerve cells that envelope the blood vessels Basement membrane that lines the epithelial cells Pericytes that provide structural support to the blood vessels, but may also control BBB development and permeability [1] Tight junctions seal the gap between endothelial cells in the same layer
Most users see visible improvements within 23 weeks , with full benefits appearing after 68 weeks of consistent use
What exists is not the kind of clinical trial base that justifies the certainty with which its sold
