Why Testing Your Fasting Insulin Could Be the Missing Piece in Your Fat Loss Puzzle⁠ ⁣⁠ You’ve tracked calories. You’ve balanced macros. But if you haven’t tested your fasting insulin, you’re missing a core metabolic marker that can dramatically influence your nutrition strategy.⁠ ⁣⁠ Fasting insulin is one of the earliest indicators of metabolic dysfunction, often rising years before blood glucose shows any abnormalities. Elevated fasting insulin means your body is more prone to fat storage, inflammation, and hormonal imbalance.⁠ ⁣⁠ When it comes to nutrition, one size does not fit all:⁠ - If fasting insulin is high, you may need to reduce carbohydrate load, emphasise insulin-sensitising nutrients, and adjust meal timing.⁠ - If insulin is optimal, you can handle more flexibility in your macronutrient ratios and fuelling strategies.⁠ ⁠ Research shows optimal fasting insulin falls between 2–5 µIU/mL, yet many women unknowingly walk around with levels two to three times higher—and wonder ...