Thyroid UK

Well I have three conditions now, hope this is the last

I've been feeling tired again since April, no change in my Thyroid medication and receiving 8 weekly b12 injections and taking a b12 sublingual tablet daily. So I wondered why I was having cravings for salty and sugary food and getting really angry for no apparent reason. Along with this my hair was thining again and I was having aches and pains, mainly in my legs, but shooting pains in other parts of my body.

I have now found out, that I am vitamin d deficient. I hope this is the last one now. The good news is I have been taking vitamin d supplements for only a week and I am seeing an improvement in mood, skin and my hair is thickening up again. Interestingly I was taking vitamin d supplements throughout the previous winter and I can attribute all of these symptoms, since stopping taking these around April time.

I was thinking I needed more vitamin b12, as I was sure my Levothyroxine dosage was correct, but after seeking support from another very helpful charity I am now on the road to recovery.

Just thought I would share this, so if anyone is having similar symptoms, they get other things tested.

2 Replies

Brilliant - it is amazing how much difference it can make, taking supplements! I had a Vit D result of 14 (30 - 100) so took a large dose and now have a daily supplement and it really does help. I also have B12 injections and have started taking folate and ferritin (Iron) as the readings for these were both low (at the bottom of 'acceptable'). Still can't quite understand why I no longer seem able to absorb all these vitamins but hey ho, at least I feel so much better now and glad you do too.


If supplementing with Vitamin D it should be preferably Vitamin D3 and not D2.

This is an excerpt from Dr Mercola

Before considering supplementation with vitamin D, it would be wise to have your vitamin D level tested, and regardless of the method you use, it’s important to measure your levels from time to time to make sure you’re maintaining therapeutic levels year-round.

This is best done by a nutritionally oriented physician, as it is very important that they order the correct test.

Another excerpt

The important factor when it comes to vitamin D is your serum level, which should ideally be between 50-70 ng/ml year-round, and the only way to determine this is with a blood test. Sun exposure or a safe tanning bed is the preferred method, but a vitamin D3 supplement can be used when necessary. According to the latest research, most adults need about 8,000 IU's of vitamin D per day to achieve serum levels of about 40 ng/ml.

If you take supplemental vitamin D, you also need to make sure you're getting enough vitamin K2, as these two nutrients work in tandem to ensure calcium is distributed into the proper areas in your body. Vitamin K2 deficiency is actually what produces the symptoms of vitamin D toxicity, which includes inappropriate calcification that can lead to hardening of your arteries. Fermented vegetables can be a great source of vitamin K2 if you ferment your own using the proper starter culture. Gouda and Edam cheese are also good sources.


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