What can cause an increase in thyroid stimulating hormone when eaten

Elevated levels of thyroid stimulating hormone may be related to excessive iodine intake, overconsumption of cruciferous vegetables, interference from soy products, selenium deficiency, medication factors, and other factors.

1. Excessive iodine intake:

Long term excessive consumption of high iodine foods such as kelp and seaweed can inhibit thyroid hormone synthesis and feedback cause an increase in thyroid stimulating hormone. The recommended daily iodine intake for adults should not exceed 600 micrograms, and individuals with thyroid dysfunction should strictly control the frequency of seafood intake.

2. Brassicaceae vegetables:

Sulfur containing glycosides such as cabbage and broccoli, which are metabolized to produce isothiocyanates, competitively inhibit thyroid peroxidase activity. It is recommended to consume no more than 200 grams per day, and sufficient heating during cooking can destroy some anti thyroid substances.

3. Interference of soybean products:

soybean milk and tofu contain soybean isoflavones, which may interfere with thyroid peroxidase function and affect iodine absorption. Patients with hypothyroidism should limit their daily intake of soy protein to less than 25 grams and avoid taking it with levothyroxine sodium.

4. Selenium deficiency:

Selenium is a key element in thyroid hormone metabolism, and long-term selenium deficiency can lead to a decrease in deiodinase activity. insufficient intake of selenium rich foods such as Brazil nuts and oysters may lead to compensatory elevation of thyroid stimulating hormone. It is recommended to consume selenium rich foods 3-4 times a week.

5. Drug factors:

Lithium preparations, amiodarone and other drugs may directly inhibit thyroid hormone synthesis, while glucocorticoids and dopamine antagonists indirectly affect thyroid stimulating hormone secretion through the hypothalamic pituitary axis. Regular monitoring of thyroid function is necessary during the use of these medications.

It is important to maintain a balanced intake of iodine in daily diet. Individuals with thyroid dysfunction should avoid consuming cruciferous vegetables on an empty stomach, and soy products are recommended to be consumed 3 hours apart from iodine containing foods. Appropriately increasing the intake of high-quality protein such as lean meat and deep-sea fish, supplementing with vitamin D and zinc elements can help regulate thyroid function. Choosing steaming as the cooking method is better than eating raw food. Regular thyroid ultrasound and functional tests should be performed. If thyroid stimulating hormone continues to rise, timely medical examination should be sought to investigate pathological factors such as Hashimoto's thyroiditis.