Increases GH Levels with Mucuna and Puerarin. Raise IGH-1 Using Eurycoma and Colostrum. Promotes Muscle Growth and Recovery. Potentiator While also maximizes, increases in sleep, fat loss and anti-aging. No. growth hormone stimulator comes close to Betancourt Nutritions Endocrine IGF. Many over the counter GH products attempt to get by on simply enhancing your sleep and providing numbers for increases in hormones that are not based on any research that you can find. Endocrine IGF contains: L-Carnitine, L-Tartrate research proven to enhance recovery from exercise. Puerarin backed by research to elevate growth hormone levels and L-Leucine Nitrate research proven to activate the anabolic response. This Nitrated analog also enhances blood flow along with L-Arginine (AKG) for GH stimulation.