Helena877 Your ferritin needs to be half way through the range so you need to supplement with Ferrous Fumarate which you can buy from Amazon. Take 1 tablet twice daily with 1000mg Vit C to aid absorption and help prevent constipation. Take iron 4 hours away from Levo and any other medication or supplements as it will affect absorption. When you've finished the box re-test your level as you don't want it getting too high.
B12 is low. Anything under 500 can cause neurological problems and it should be at the very top of the range, even 900-1000. Supplement with Solgar or Jarrows sublingual methylcobalamin lozenges 5000mcg for a couple of months then reduce to 1000mcg daily as a maintenance dose. Let it dissolve under the tongue as that gets it directly into the bloodstream, don't chew or swallow as stomach acid will destroy it.
When taking B12 we also need a B Complex to balance the B vits. Supplement with Thorne Basic B or Jarrows B Right which are both good brands and contain 400mcg methylfolate which will help raise your poor folate level which should be at least half way through it's range ie 26+
Take B vits in the morning, no later than lunchtime as they can be stimulating. Don't start all supplements at the same time, start one at a time, give it a couple of weeks before starting the next one, that way if there are any adverse reactions you know what is causing them.
You should also get Vit D tested as this could very well be low like the others. You can do this with a fingerprick blood spot test through City Assays for £28 vitamindtest.org.uk/vitamin...
Besides your low vitamins and minerals you have autoimmune thyroid disease aka Hashimoto's as confirmed by high antibodies for both TPO and TG. The antibodies will fluctuate and attack your thyroid until it is eventually destroyed. To help reduce the antibody attacks you can do the following:
1) Adopt a strict gluten free diet. Gluten contains gliadin which is a protein that is thought to trigger the antibody attacks. Eliminating gluten completely has helped many members enormously.
2) Supplement with selenium as this also reduces the attacks. Look for L-selenomethionine.
3) Keep TSH very low or suppressed as this is also thought to reduce the attacks.
Your GP probably won't know much about Hashi's, if anything, so read and learn to help yourself. Some reading to start you off:
PS - Hashimoto's is the reason your symptoms come and go, when the antibodies are active you are getting symptoms.