How long does it take to build muscle after 40?

The episodes give a range, and that range is real. On Ep. 229, Nikkiey says the payoff might come in six months, eight months or two years, depending on where you're starting. On Ep. 392, she points out that the biggest transformations she's seen in WarriorBabe's coaching weren't created in six weeks but in a year or longer, and many women stay three to four years. On Ep. 377, talking about a lean bulk, she says to give yourself about three years, and that assumes you're doing everything right: training hard, eating in a controlled surplus of roughly 200 to 300 calories above true maintenance, and hitting your protein. Guest Susan Niebergall adds on Ep. 56 that she lost track of how far apart her own transformation photos were because she was focused on strength goals like her first chin-up.

Why so slow? Nikkiey explains on Ep. 219 that lifting creates small tears in muscle fibers, and the muscle is actually built during repair, which depends on consistent training, enough food and rest. Two or three weeks won't do it, and neither will one training block followed by three months off. Rushing it by overtraining or under-eating can slow your progress and risks injury. On Ep. 392 she adds that early progress often isn't the exciting kind: you're learning to lift, building technique and form, and possibly losing body fat at the same time so the muscle can show.

If your last attempt stalled at week six, that wasn't a personal failure. The timeline was wrong.