Evidence check: SHBG in the context of Abnehmen

SHBG (sex hormone-binding globulin) is a protein that binds sex hormones like testosterone and estrogen, regulating their bioavailability. In the context of weight loss, SHBG is relevant because low levels are commonly associated with insulin resistance, obesity, and metabolic syndrome. Weight loss—especially through calorie restriction and exercise—can increase SHBG levels. However, SHBG is not a direct 'fat burner' or a target for dieting. The evidence is based on mechanistic links (insulin-SHBG axis) and observational studies, not on randomized controlled trials proving SHBG-guided weight loss. Genetic variants (e.g., in the SHBG gene) have a small effect on levels, but lifestyle factors dominate. MyBody-X measures SHBG as part of its Body-Balance Check, which can provide hints about hormonal status but does not replace medical diagnosis or diet advice. Caveat: single SHBG measurements are time-of-day dependent and insufficient for a full metabolic assessment. For weight loss, focus on proven strategies (calorie deficit, protein, exercise) rather than targeting SHBG.