Constantly exhausted after 45? Learn where to start, what to address first and how sleep, nutrition, blood sugar, iron, thyroid function and movement can affect your energy.

When weight, energy or waist circumference are changing despite your best efforts, the right blood tests can reveal what is happening underneath. Here are the metabolic markers worth looking at and what they can tell you.

If your weight and metabolism feel stuck after 45, the answer isn't another restrictive diet. Start with the foundations that support muscle, insulin sensitivity, blood sugar regulation and long-term metabolic health.