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Goal: Maintain testicular function and fertility during testosterone replacement therapy, or restore endogenous testosterone production post-cycle [3] [4]

Some more severe, but rare, side effects that can occur are low potassium levels, muscle cramps, irregular heartbeat, chest pains, or blurred vision

Notable examples include Matrixyl (Palmitoyl Pentapeptide-4), which stimulates the synthesis of collagen and glycosaminoglycans, promoting skin firmness and elasticity

High levels of NNMT have been linked to obesity, insulin resistance, and a slowdown in metabolic rate

Basic properties and clinical applications." Expert Opinion on Biological Therapy , 12(1), 37-51

The role of senescent cells in ageing