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Tang, W., Liu, D., Traynelis, S

Research-Only Notice IGF-1 LR3 is intended for laboratory research use only

10.3390/ijms21134620 165 ParkS

Side Effects and Precautions Known Risks (Animal Studies + Anecdotal Reports) Potential for over-stimulation of neurogenesis , which is beneficial short-term but may carry unknown long-term risks Some users report: Mild headaches Irritability or emotional blunting Temporary insomnia if taken late in the day Theoretical Risk: Tumor Growth

Purity, Grade & Specification Matching GHK-Cu 100mg Pen device with Cartridge Box (R&D Only) must meet exact grade and purity for your dosage form: USP / EP / JP grade verification Particle size distribution check Residual solvent and heavy metal limits 3