This is Dr. David
Celabolin is a dietary supplement with many herbs and vitamins.
these supplements are often not well studied with conventional medications.
most likely there will not be any negative interactions with your levothyroxine tablets, but you should let your GP doctor know if you are taking this supplement.
you should always take your levothyroxine on an empty stomach for best absorption of your thyroid hormone
and get your blood checked for TSH and T4 and T4 thyroid hormone levels every 2-3 months to make sure your thyroid hormone levels are correct.
I take levothyroxine tablets everyday as well myself.
sorry about your knees.
you might benefit from glucosamine and chondroitin supplements to help your knee inflammation.
you should talk to your GP doctor about your knees and see if physical therapy could help your knees
or steroid injections into your knees can help decrease inflammation in the joints.
sometimes a soft knee brace can help your knee stability as well.
let me know if you have other questions.
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