4. Ferritin too low you want it half way in range.
5. Vitamin D level too low you want it around 100nmol/L as you have another illness
6. Vitamin B12 too low you want it at the top of the range.
7. Folate too low you want it halfway in the range
What medication are you on? What supplements are you taking? If you edit your post and add this information in then someone will give you proper advice on how to remedy this.
Be aware as your ferritin, vitamin D, vitamin B12 and folate levels are in range you will need to self-supplement.
Serum B12 is a poor guide as to whether you have B12 problems. This is because it only tells a very small part of the story and doesn't give any guidance as to what is happening at the cell level. The full biochemistry and interactions with genetics is quite complex so people vary a lot in the levels that they actually need.
B12 deficiency needs to be evaluated on the basis of symptoms.However, it may be difficult to evaluate symptoms if you have a thyroid problem as there is a huge overlap with thyroid
The levels above may or may not be adequate for the individual concerned.
Some people respond to high levels in serum by shutting down mechanisms that make it available at the cell level - one study in Denmark identified that 30% of those being treated for B12 deficiency showed this response. Once it starts it means that you have to keep levels really high for enough to get through. I would really caution against just supplementing with high dose B12 unless symptoms have been properly evaluated and/or you really cannot get your GP to listen.
I am on 50mg of Levo. Was put on 5 years ago when trying to get pregnant. Gp said should t be on just my fertility doctor. But gp has now kept me on it.
Just starting on supplements
Probiotics
Flora dix
Selenium
Vitamin c
Any advice greatly appreciated
Feeling tired all the time and putting on weight so determined to find a remedy
For vitamin D take 5,000IU of vitamin D3 for 12 weeks then take 5,000IU of D3 every other day as a maintenance dose. You should get retested after 3-4 months you will need to do this yourself as unless you are severely deficient - and you are not - the NHS doesn't retest you. City Assays does a finger prick test for £28. You want your level to be around 100nmol/L for optimal health.
Take vitamin D3 with vitamin K2-MK7 and magnesium citrate as this ensure the vitamin D goes where it is needed and avoids issues with calcium levels. You MUST NOT supplement calcium.
You should have a vitamin D test every year at the start of Autumn e.g. end of September/beginning of October. Again you need to do this yourself. Some doctors and nurses in London are actually telling patients the truth e.g. the NHS won't pay for you to have a repeat vitamin D test unless you were severely deficient, and once your levels are just suboptimal you have to sort your self out due to cost.
Find a good vitamin balanced B complex preferably one which is not targeted at women as they tend to contain too much folate, and preferably one that contains both methlyfolate and methlycobalamin the better forms of folate and B12 respectively then take that daily as well.
The problem with having a high folate and low vitamin B12 is that too much folate can hide issues of low vitamin B12 levels. As women are told to take folate to avoid neural tube defects in pregnancy vitamin B complexes aimed at women have a higher ratio of folate.
Also floradix is just an expensive iron supplement which doesn't have sufficient iron in if you have deficiency. You can get cheaper ones which have more iron in such as Solgar Gentle Iron. You will need to take your own vitamin C supplement with it but both are cheaper than taking enough floradix to get adequate amounts of iron. Floradix has 5mg of elemental iron in per dose. You need a minimum of 15mg if you are healthy, and if you are deficient you need more than that. How much more depends on how iron deficient you are and that means to start with looking at your haemoglobin level as well as your ferritin level.
I deliberately replied to your thread because I wanted you to be aware consistently advising people to supplement based on B12 serum results is not good advice. Symptoms need to be evaluated.
Although B12 isn't toxic artificially high levels in blood can trigger another autoimmune problem - which may affect as much as 30% or more of the population and shuts down the transport of B12 from blood to cells where it is needed and used so it can actually cause a problem where none actually existed.
I didn't say don't reply I asked you to reply under the poster's original post. There is a difference. The OP won't see your reply if you reply under mine instead of under their original post and I'm sure you were replying so the OP had more information?
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Test Results from Blue Horizon
Results with T3 and 50mg T4
Blood results, can anyone shed any light please?
Trying to understand test results, please can anyone advise how to read them? 
