The main ways that peptide nasal sprays and injectable peptides differ are in how they are delivered and how convenient they are
To sum up, IGF-1 LR3 may boost all the anabolic effects of growth hormone and that is a powerful tool in terms of muscle mass and so on, but it does not directly raise GH levels, so could not be used for growth hormone deficiency
Baseline laboratory assessments included measurements of IGF-1, total testosterone, free testosterone, estradiol, luteinizing hormone (LH), and follicle-stimulating hormone (FSH)
PMCID: PMC2749291
If you want to stack carnitine with other fat-burning ingredients between meals, consider using the acetyl L-carnitine form
While you might already take oral supplements, these injections allow the vitamin to enter your bloodstream immediately