C and D on the FDA 2877 and insert the word or  between the Affirmations. Note: The U.S. Customs Service will treat this entry as a. D Declaration for purposes of duty. Such requests must be made on the FDA 766; include Items 1, 2, and 3 under Declaration C, a. statement of the need to use the option C or D Declaration, a statement of how the product(s) will be brought into compliance and the.
There are 2 reasons that could be the cause behind your low TSH: 1  Your glands simply aren't producing enough;  Your thyroid gland is producing too much of the thyroid hormone which signals to your brain to stop producing anymore.
Best Answer: You may have hyperthyroidism, or an overactive thyroid gland. Normal TSH levels are 0.5 to 5. TSH = thyroid stimulating hormone. TSH is a chemical produced by your pituitary gland.TSH tells your thyroid to make and release the thyroid hormones T3 and T4. Your T4 is high, so your pituitary has virtually stopped sending TSH to your thyroid; therefore your TSH is low.est Answer: You may have hyperthyroidism, or an overactive thyroid gland. Normal TSH levels are 0.5 to 5. TSH = thyroid stimulating hormone. TSH is a chemical produced by your pituitary gland.