Can melatonin, gama, l-arginine, l-lysine and gluta increase HGH production after 19 in females?

Yes, but not by much. Human growth hormone can be stimulated by a number of ways, but the stimulation will not significantly increase the daily 24hr amount in any given person. Put another way, one may produce a spirt of hgh by taking l-arginine but the additional amount is just a drop in the bucket when compared to the 24hr amount of hgh that the body make. The best way to increase hgh levels is by DX and rx.