Peak Height vitamins wanted 2 see if these where safe 4 my 11yr old son 2 be taking as far as the ingredients. L-arginine 500mg and l-ornithine 250mg?

Safe but so what. his height can usually be predicted somewhat accurately by average of mother's and father's height and adding 1.5 inches. More accurately get bone age. Whatever it is get and read ""The Serenity Prayer" with him. It's called wisdom literature for a reason.