I DONT KNOW ANYTHING ABOUT THE  GROWTH HORMONES.BUT WE HAVE HAD GOOD LUCK WITH ECHINACEA TO HELP BOOST IMMUNE SYSTEM.I WAS RECENTLY CONTACTED BY A TELEMARKETER SELLING OVER THE COUNTER GROWTH HORMONES YHEPHONECALLEDPHYSICIANS BLEND 800-356-4055 ASK FOR KENT OR WWW.HGHBLEND.COM .I DO NOT KNOW ANYTHING ABOUT THEM.GOOD LUCK LET US KNOW HOW THINGS GO.MY  31/2 YR OLD SON IS NOT ON THE HEIGTH OR WEIGTH CHARTS AND HAVE HAD GROWTH HORMONES ON OUR MINDS.THIS IS SO SCARY WITH ALL THE STEROIDS HE IS ALL READY TAKING.SORRY ABOUT THE TYPOS IM NOT VERY GOOD AT THIS.