WellTools: The Midlife Metabolism Toolkit helps women navigate perimenopause weight gain, hormonal changes, and metabolic shifts with science-backed calculators, expert-reviewed guides, and personalized nutrition tools. From understanding meno-belly and insulin resistance to building a strength training plan that preserves muscle after 40, WellTools turns confusing hormone science into clear, actionable steps — so you can manage your weight, energy, and health through perimenopause and beyond.