Spermidine can reduce the expression of TFR1 and ALOX15, and upregulate Nrf2 and SLC7A11 expression
In this way, non-viable sperms became red, while viable ones remained colorless

References Biomolecules (MDPI) Insulin-Like Growth Factor-1 (IGF-1) and Its Monitoring in Medical Diagnostic and in Sports Dopinglinkki (FINCIS Anti-Doping Authority) Insulin-like growth factor 1 (IGF-1) and long chain IGF (LR3IGF-1): Medical information and safety overview Mayo Clinic / IBM Micromedex Mecasermin (Subcutaneous route): Proper Use and Handling guidance on IGF-1 administration timing with meals Cell Sciences (Research Reagents) Recombinant Human LR3 IGF-1: Product technical datasheet including storage and stability specifications Centers for Disease Control and Prevention (CDC) Preventing Unsafe Injection Practices: One Needle, One Syringe, Only One Time Drugs.com Increlex (mecasermin) Dosage Guide: Clinical dosing and hypoglycemia management for IGF-1 therapy AnabolicMinds Community Research Forum Storage and cycle considerations for IGF-1 LR3: Practical protocol discussions Immunize.org (Immunization Action Coalition) How to Administer Subcutaneous Vaccine Injections: Site selection and rotation guidance ReliaTech GmbH Human IGF-1 LR3 Protein Technical Specifications: Reconstitution and storage protocols Mayo Clinic Mecasermin (subcutaneous route): Side effects and proper handling solution inspection guidelines Frontiers in Bioengineering & Biotechnology Insulin-Like Growth Factor-1: A Promising Therapeutic Target for Peripheral Nerve Injury Drug Testing and Analysis (PubMed) Detection of LongR3-IGF-I, Des(1-3)-IGF-I, and R3-IGF-I using immunopurification and high resolution mass spectrometry for antidoping purposes Centers for Disease Control and Prevention (CDC) Chapter 6: Vaccine Administration (Pink Book): Comprehensive subcutaneous injection technique guidance NCBI Bookshelf 5.6 Administering Subcutaneous Medications: Clinical best practices for subcutaneous injection technique Related research, protocols, and guides Explore the available research context, protocol variants or comparisons, and practical guides

Treatment begins with a low dose taken once daily in the morning, and the dose is gradually increased based on weight-loss progress
Quick Tip: Endogenous Co-IP: Investigates proteins naturally expressed in cells or tissues