I gained an enormous amount of weight on NDT. Lost it on T3 only.
I only gained weight after being on Levo for 8 months. I have been taking thyroid s now for 2.5 years and only lost weight when I was over medicated on 3 grains per day. I am now on 2.5 grains and my weight is always stable. You possibly need an increase but it takes time.
The weight gain is probably because you're still undermedicated. I also gained weight when I swapped to NDT, but it was because I started low and increased slowly, like it sounds like you are doing. I also felt an improvement within days, but at the time my TSH was still well over 100! It wasn't because I was on the right amount of medication, but the different formula of NDT.
Unfortunately the only way to finally know what's going on is to continue on this path, keep tuning your dose just as you'd planned to do, and see if things improve once your dose is closer to optimal.
I have gained a bit but it is a small price to pay for not being a slug any more. I would rather be round and able to live a life, than slim and unable to do anything. I am hoping when spring comes, I will be able to dig the garden and lose the weight that way!
Have you also noticed that you are hungry more often?? (Happened to me, at first) I was hungry all the time, and needed to feed it... then I started leaving the house early in the day with my newfound energy. Once I had a routine of "ignoring" the hunger, I stopped gaining and reversed, once I was on the correct dose. Just a thought...
First of all, I have to say that NDT doesn't suit everybody, but some people do brilliantly on it. Same goes for levo. Or even T3. It's a matter of experimenting until you find the type of thyroid hormone replacement, and the dose that suits you personally. There is no one-size-fits-all.
What do you mean by 'really high T3'? That is just an opinion, it's far better to give the actual numbers when asking for advice: results and ranges. Was it higher than last time you were tested on the same dose? In which case, do you have Hashi's?
I've done the maths several ways and I cannot work out on what he based his calculations - in fact, it's an impossible calculation because you do not know how well you convert. 30 mg NDT contains only 4.5 mcg T3. You've been used to having 18 mcg. What makes him think that you're going to be ok with such a massive reduction in T3? It's going to be a massive shock to your system, and I would have thought that a gentler change-over would have been preferable. That is to say reducing your NDT by 1/4 grain every two weeks, and replacing it with 25 mcg levo. I'm not sure this man really knows what he's doing. If your FT3 was too high, why not just reduce the NDT slightly? Why this massive change?
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