It has a lot of interactions with the other hormones
Dietary supplement.
As biological matrix can metabolize spiked pure compound we added each NAD form individually at different stages of the extraction (Supplementary Table 1) and followed recovery in enzymatic assays
Tatarkiewicz, K., Sablan, E

IGF-1 LR3 Overview Primary Purpose: Muscle growth, recovery, nutrient partitioning, cellular proliferation Form: Injectable solution (reconstituted from lyophilized powder) Common Concentration: 20100 mcg per dose (research context) Average Cost: $60$150 per 12mg vial Typical Application: Once daily (protocols vary due to long half-life) Chemical Formula: Modified IGF-1 analog (83 amino acids) Molecular Mass: ~9,200 Da CAS Number: Not officially standardized (research compound) Other Names: Long R3 IGF-1, IGF-1 LR3 Primarily Used For: Muscle hypertrophy, recovery, anabolic research, cell growth studies Copy Brawn20 for 20% off Longer half-life than native IGF-1 Promotes systemic anabolic and growth signaling Enhances nutrient uptake and recovery processes Higher risk of systemic side effects Limited long-term human safety data Not approved for medical use Strongest Peptide for Healing & Recovery: TB-500 Every serious athlete eventually faces the injury question

Clin Exp Gastroenterol (2021) 14:42939