The luteal phase is marked by increasing progesterone production by the corpus luteum, which exerts negative feedback signaling that inhibits GnRH, FSH, and LH release and promotes maturation of the endometrium
Muscle Building & Performance Increases lean mass and strength in resistance-trained adults Enhances muscle protein synthesis rates Improves exercise recovery and adaptation Reduces muscle damage markers post-exercise Tissue Repair & Recovery Accelerates healing of tendons and ligaments Enhances collagen synthesis and deposition Reduces recovery time from musculoskeletal injuries Supports surgical wound healing Metabolic Health Improves glucose disposal in insulin resistance Enhances insulin sensitivity by 34% in prediabetes Supports nutrient partitioning and utilization May reduce cardiovascular risk factors Additional Clinical Applications Important Consideration: All applications of IGF-1 LR3 are considered off-label use

While the medication provides a powerful biological advantage, the final degree of success for each patient is a true partnership: it is ultimately dictated by their consistent adherence to the injection schedule and their commitment to essential lifestyle interventions, such as dietary adjustments and increased physical activity
If a patient is on zinc therapy for copper reduction, adding injectable GHK-Cu bypasses the intestinal block entirely, delivering copper directly to systemic circulation
Minor bruising is normal and typically fades within 48 hours