glutathione alternative medicine Cell Defense Study Finds Cancer Cells Use
Description
Early signs include tingling or 'pins and needles' in the feet and hands, numbness in the extremities, burning pain (often worse at night), balance problems, and muscle weakness

Science 359 , 11611166 (2018)

The copper delivery from GHK-Cu deserves special mention

Luminal contents can pass across the epithelial barrier via transcellular passive, active or endocytosis mechanisms, or via paracellular pathway
