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It was FDA-approved in 1997 as Geref Diagnostic for testing pituitary function, and its therapeutic form (Geref) was used for pediatric growth hormone deficiency
This results in enhanced biological activity compared to native IGF-1
Example progression: Baseline: 3 sets x 12 exercises = 36 total sets per session On IGF-1 LR3: 4 sets x 12 exercises = 48 total sets (33% increase) OR add 1-2 extra training sessions per week Prioritize compound movements: Squats, deadlifts, bench press, rows, overhead press These recruit maximum muscle fibers IGF-1 preferentially supports most-stimulated muscle tissue Shorten rest periods: Normal: 2-3 minutes between heavy sets On IGF-1 LR3: 60-90 seconds (enhanced recovery) Creates greater metabolic stress additional growth stimulus Nutrition Optimization Protein: 1.2-1.5g per pound of body weight IGF-1 LR3 increases muscle protein synthesis rates by 30-50%
If you are comparing ipamorelin vs sermorelin, the right choice is not based on which peptide sounds stronger online
Smoother, more elastic skin
Insulin-like Growth Factor (IGF-1 Long-Arginine 3), an 83-amino acid analog of IGF-1, is a highly anabolic hormone released primarily in the liver with the stimulus of growth hormone (HGH) [1]
