Can FT4 help with Abnehmen?

The question of whether FT4 (free thyroxine) can aid weight loss is not addressed in the provided context, which contains no information on thyroid hormones or weight management. FT4 is a key thyroid hormone that regulates basal metabolic rate. In hypothyroidism, medically prescribed L-thyroxine can normalize metabolism and indirectly support weight loss. However, using thyroid hormones for weight loss without a medical indication is dangerous: it can cause thyrotoxicosis, cardiac arrhythmias, muscle wasting, and bone density loss. Evidence for safe, effective FT4 use as a 'fat burner' in euthyroid individuals is lacking – randomized trials show no sustained benefit but significant risks. The given context offers no studies, guidelines, or data supporting such use. Therefore, the answer is conservative: FT4 is not a weight-loss tool; any supplementation should only follow a physician's diagnosis and monitoring. Evidence: unclear (no contextual support).