Thyroid UK

Has anyone ever tried slimming world?

I have hashimotos, and have out on a great deal of weight (mostly from eating crap food).

I have therapy for anxiety and he recommended I lose weight with slimming world as I am about 14stone and 5 foot 4. My bmi is very high too.

With thyroid problems I know it is harder to lose weight. I just wondered if slimming world will work for me like it does other people without thyroid issues. I don't want to be disappointed

4 Replies

I was at a TUK group meeting the other night - and three of the people also joined Slimming World and were very happy with their weight loss. One was a relatively new member to Slimming World and was extremely upbeat about her weight loss.


My personal opinion is that Slimming World is a bad way of eating because it relies on no/low-fat, and that is not good because the body needs fat. True, if you cut out the fat, you cut out a lot of calories. But, you shouldn't be counting calories, anyway! It's unnatural. You should be counting nutrients. Low calorie has a negative effect on conversion - you need calories to convert!

If you can't lose weight, I would suggest that you are probably under-medicated. Do you have a copy of your lab results?

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I would suggest looking at the Whole30 eating plan on-line - just 30 days to reset your habits that lead to weight gain ....


As you have Hashimoto's are you on correct dose of Levothyroxine

Have you had vitamin D, folate, ferritin and B12 tested? Very likely to be far too low

Post recent thyroid (TSH, FT4 and FT3) and vitamin results and ranges if you have them. Ask GP to test if not done yet

Hashimoto's affects the gut and leads to low stomach acid and then low vitamin levels

Low vitamin levels affect Thyroid hormone working

Poor gut function can lead leaky gut (literally holes in gut wall) this can cause food intolerances. Most common by far is gluten

According to Izabella Wentz the Thyroid Pharmacist approx 5% with Hashimoto's are coeliac, but over 80% find gluten free diet helps significantly. Either due to direct gluten intolerance (no test available) or due to leaky gut and gluten causing molecular mimicry (see Amy Myers link)

But don't be surprised that GP or endo never mention gut, gluten or low vitamins. Hashimoto's is very poorly understood

Changing to a strictly gluten free diet may help reduce symptoms, help gut heal and slowly lower TPO antibodies

Ask GP for coeliac blood test first

Going strictly gluten free may not only improve how you feel, reduce antibodies, but can also help with weight loss

Many on here find the diabetic high fat low carb diet helps.


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