Q

How does caloric deficit affect thyroid hormone levels?

From 5 years of verified research · Vassili Sandqvist
A

A caloric deficit greater than 10-15% of daily intake can trigger the body to enter an energy conservation mode, leading to decreased production of thyroid hormones T3 and T4. This can hinder weight loss efforts and result in fatigue and other metabolic issues. A moderate caloric deficit is recommended for sustainable weight loss without negatively impacting thyroid function.

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