her progression was much better before she ate that ginseng, at least author can make it a bit slower so we can see her progression little by little, since there are not much other main plot in that part, it much better if her detoxification success after a week and suddenly became a bit stronger because of some of her ki opened, then her guards teach her some material arts and opened her other ki later on, it's more make a sense than just randomly eat 1000 y/o ginseng that make her ki fully riped and become goku and control her power