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Most people describe it as very tolerable, similar to a routine vaccination

The most expeditious approach is through injections

Concentrations above 4% have not demonstrated proportionally greater benefits in published literature

Long R3 IGF-1 is modified to help increase its potency and stability while still exerting anabolic effects similar to IGF-1 Long stands for the additional 13 amino acids added to the N-terminus of the peptide molecule, while R3 describes the replacement of the 3rd amino acid in the native hormone with arginine

Although easily absorbed into the blood stream, water-soluble vitamins are also lost in urine and perspiration

But more clinical studies are still needed to confirm its efficacy and safety