In perimenopause, your muscles become resistant to protein signals a phenomenon called anabolic resistance driven by declining oestrogen. The standard RDA of 0.8g/kg/day was designed to prevent deficiency, not maintain muscle mass during hormonal transition. Research consistently supports 1.2–1.6g/kg/day for perimenopausal women roughly double the RDA. Timing matters too. Here's what the evidence says about how much perimenopause protein you actually need, when to eat it, and