Levothyroxine and Dairy: For those like me who... - Thyroid UK

Thyroid UK

137,774 members161,578 posts

Levothyroxine and Dairy

Maggie0652 profile image
63 Replies

For those like me who were not aware of this, it was drawn to my attention yesterday that dairy products should not be consumed within 4 hours of taking levothyroxine.

Cows milk interferes with absorption of levo. See link below:

endocrine.org/news-room/cur...

I was diagnosed in 1994 with hypothyroidism and prescribed levo. Nobody told me this in all these years, yet it's on the NHS website:

beta.nhs.uk/medicines/levot...

Click on No 8, Common Questions: Is there any food or drink I need to avoid?

It's also mentioned on the British Tyroid Foundation Thyroid and Diet Factsheet

btf-thyroid.org/information...

I cant believe that in the last 24 years I've never come across, or had this information pointed out to me. Considering all the research I've done I don't understand how I've missed it. None of the GPs or Endocrinologists or private doctors I've seen have mentioned it either. I have done a search on here but could only find a reference to Levothyroxine and calcium 5 years ago which seems to be more about supplements.

I knew not to have caffeine for an hour after meds and have followed that but I always have milk in my coffee.

So for anyone else who's missed this information I felt I should post it.

Written by
Maggie0652 profile image
Maggie0652
To view profiles and participate in discussions please or .
Read more about...
63 Replies
greygoose profile image
greygoose

Having a little drop of milk in your coffee will have a minimal effect on your thyroid hormone. I have milk in my tea and butter on my bread! And sometimes cheese for breakfast. All one hour after taking my T3+T4. I don't feel any effects of lowered absorption. :)

lady_eve profile image
lady_eve in reply to greygoose

That's a relief. I was afraid I was going to have to give up the metabolism-supporting pasture-fed butter on my morning toast.

greygoose profile image
greygoose in reply to lady_eve

Good lord, no! Don't give that up, that's one of the good fats. :)

jimh111 profile image
jimh111

I usually take my levothyroxine a few minutes before morning porridge made with skimmed or semi-skimmed milk and have not noticed any effects. The study with cow's (sic) milk may give misleading results because they gave the patients 1000 mcg levothyroxine. Such a large dose may be difficult to absorb and there may be much less effect on normal doses. I'm not sure where the four hour requirement comes from, levothyroxine is fully absorbed after about two hours.

greygoose. A little milk in your coffee is OK but a little coffee in your milk is a problem! See ncbi.nlm.nih.gov/pubmed/183... .

Generally these effects are minor and provided you are consistent the absorption rate will be consistent and will be automatically factored in when your dose is adjusted (hopefully paying attention to symptoms).

greygoose profile image
greygoose in reply to jimh111

I have no idea what you mean by that remark. I don't drink coffee, and the OP said that she knows not to drink coffee until an hour after her levo. I would certainly not recommend anyone take their levo with their coffee! Besides, your remark does not make sense!

jimh111 profile image
jimh111 in reply to greygoose

Sorry, you wrote 'Having a little drop of milk in your coffee will have a minimal effect on your thyroid hormone' so I mistook this to mean you believed it was OK to have coffee with levo. I just wanted to point out in a lighthearted way that it's not a good idea to have coffee with levo.

greygoose profile image
greygoose in reply to jimh111

You should have looked back from there to see that the OP had already said that she knew not to take coffee with her levo. I was just following on from there! Of course I know you don't have coffee with levo! How could you possibly think otherwise after all these years?!? I'm hardly a newbie!

jimh111 profile image
jimh111 in reply to greygoose

I'm sorry, I struggle to remember people's history although I can remember the science stuff, bit of a goldfish memory especially for names.

greygoose profile image
greygoose in reply to jimh111

Well, I'm really offended that you don't remember me! I've argued with you so many times! lol

jimh111 profile image
jimh111 in reply to greygoose

I remember you, not least because the last reply you gave me was nice! I'll drop out now as I'm drifting off topic.

greygoose profile image
greygoose in reply to jimh111

Oh, no! Please go on! Can't hear too many nice things about myself. People usually want to tell me how awful I am! :)

ShinyB profile image
ShinyB in reply to greygoose

We really do need the little laughing emoji they have on facebook! lol. I love ya :D

greygoose profile image
greygoose in reply to ShinyB

Thank you, Shiny, I love you too! I think we also ought to have the very angry one, and the amazed (how can an endo be so stupid?) one. lol

ShinyB profile image
ShinyB in reply to greygoose

And again I'm looking for the laughing emoji! hahaha

greygoose profile image
greygoose in reply to ShinyB

lol

Beachytoes2u profile image
Beachytoes2u in reply to greygoose

I've a question re coffee& meds with thryoid, if you can? Dairy elimination, known coffee is no good however, if it's something I'm trying to eliminate, would a cup several hours after, armour mix? What is a suggestion on tea? Milk substitute? Ok or no? Thanks, I'm really using your suggestions, and I've had amazing results, better than anything else, you've got my vote for A+ info knowledge, I've been misinformed by so many, to finally find somewhere to ask/receive multiple answers of advice is worth so much, I'm so grateful and appreciate any/ALL who take their time to reply, thank you, greygoose!!

greygoose profile image
greygoose in reply to Beachytoes2u

You're welcome, Beachytoes. :)

I think it's perfectly alright to have a cup of coffee an hour after taking your levo. Even with milk. Same with tea.

Milk substitute? What did you have in mind? Not soy milk, for sure, but almond milk, should be alright - if you can tolerate it!

I don't have cows milk, I have goats milk, I believe that is easier on the stomach - though I could be wrong. Suits me, anyway. But I just have one cup of tea a day. I don't crave it at all hours, like my mum did, I prefer plain water. But, I do need a hot drink in the morning, to rinse out the tubes! lol

jimh111 profile image
jimh111 in reply to greygoose

greytgoose is brilliantly right! Coffee is OK one hour after taking levothyroxine pdfs.semanticscholar.org/87... .

greygoose profile image
greygoose in reply to jimh111

:D x

Beachytoes2u profile image
Beachytoes2u in reply to jimh111

Thankfully😰the coffee is of, I'd go to drinking it black! You're talking to a coffee lover, and I'll take water over anything else also....whew....once again thank you☕

Beachytoes2u profile image
Beachytoes2u in reply to greygoose

I use coffee-mate w tea&coffee. Not sure if u have/know what that is? Simply it's a milk/creme substitute. I've been able to take the armour 1-2 hr., earlier w full glass of water. I used to be a "big" coffee drinker. Since I've had bad problems with belly ache. The idea of hot coffee brought me near, vomit. It's only recent the tea is a good thing. Otherwise, I'm a big water drinker.

🦄thk you, ☕

greygoose profile image
greygoose in reply to Beachytoes2u

I know coffee-mate, yes. Ghastly stuff! Have you read the ingredients? If not, I suggest you do. :(

Beachytoes2u profile image
Beachytoes2u in reply to greygoose

Oh boy, ya say something else bad, will do, I'll not buy any more, all your advice is wizard like....i could ask u at least 100, this morning! This while topic is confusing, doom, makes me I'll like I've never felt. Thankfully you share😘

greygoose profile image
greygoose in reply to Beachytoes2u

Always, always read the ingredients. :)

TSH110 profile image
TSH110 in reply to jimh111

I’m afraid I always glug a cup of coffee with my NDT (sublingual which is also all wrong!) but can detect no difference even if I avoid the evil caffine and milk and swallow the NDT down whole with plain old water maybe that is laced with florouride (? not sure that is spelt right) and that steals the thyroxine too! Whatever after 4 years on NDT and coffee I’m alive and kicking!

greygoose profile image
greygoose in reply to TSH110

Fluoride has not effect on your thyroid hormone replacement. It just attacks to the iodine receptors in your thyroid, meaning that you become deficient in iodine. Nothing to do with Armour.

Also, you may still be alive and kicking with your method of taking your THR, but are you the best you could be? That's the question.

TSH110 profile image
TSH110 in reply to greygoose

Up at 4:30am, 23 mile cycle to work, 9 hours hard physical wk as gardener, 23 mile cycle home, 3 hours on allotment bed - 5 days a week...I do feel a bit tired by the end of the week and have a rest on Saturday just a few miles dog walking and maybe a 5k parkrun and all day at allotment Sunday after dog walk. I guess I might be able to squeeze another allotment session in Sat if I took my meds as I ought to do 😂🤣😂. I was always a bit hyperactive - pre diagnosis I used to cycle at least 150 miles on the weekend alone and that was all year round 😉. I do slow down a bit in the winter. I don’t think I want any more energy to be honest!! I sleep like a baby.

greygoose profile image
greygoose in reply to TSH110

OK, point taken! :)

Maggie0652 profile image
Maggie0652

I did everything wrong before I joined this forum because doctors told me nothing. I was taking all of my meds at the same time with breakfast and milky coffee. I’m a dairy addict - can eat cheese til it comes out of my ears. No wonder I was never well on levo!!

Farmgirl22 profile image
Farmgirl22 in reply to Maggie0652

Snap. I’ve been taking levothyroxine sertraline and contraceptive I’ll altogether then having breakfast straight away. I’ve seen several GPs in past and Endo the other day but have only found out this info via here and other websites. Over the past 4 years I have felt awful on levothyroxine so it will be interesting to see the difference now I’m taking it separately and not eating for at least an hour after taking.

DeeD123 profile image
DeeD123 in reply to Maggie0652

Strangely I took my levo every morning with my coffee (black) for years before I knew better and never once had a problem. I now take with water 😀

TSH110 profile image
TSH110 in reply to DeeD123

Do you feel any different for the change?

DeeD123 profile image
DeeD123 in reply to TSH110

Yes, worse sadly. But as I have a lot of other nasties going on at the moment I can't say it's that. 😕

TSH110 profile image
TSH110 in reply to Maggie0652

I still eat cheese till it comes out my ears and feel fine on NDT (but never did on Levo I think it is lack of T3 not dairy indulgence that is key here) - my fave is Cheshire cheese - divine - but I have yet to find a bad cheese!

Beachytoes2u profile image
Beachytoes2u in reply to Maggie0652

My dr., told zero, nada, this site and the wisdom, people who share for free, have special wings💐

Murphysmum profile image
Murphysmum

I find the lack of info given out quite astounding. Like you, I have been on levo for many years and only in the last year or so learned the milk thing.

What I find quite scary is the effect that ‘mucking about’ with your meds could have - my mum was diagnosed hypo many years ago and never took her meds!

No one tells you how serious it is, not any of the potential consequences should you go over or under.

All my gp said was “you’ll have to take these tablet for the rest of your life..”. Thanks, most informative!

TSH110 profile image
TSH110 in reply to Murphysmum

I think if you are fully optimised not just within range you ought to have a bit of wriggle room for slight variations in absorption. I was well informed about how to take the tablets but in my case it appears to make little or no difference but I realise it might be very different for others. I have read alarming percentages of reduction in absorption so docs really ought to stick to best practice advice to patients.

FIT2018 profile image
FIT2018

15 years of no info: soya/dairy/gluten/hashi status - The only reason I don't scream with rage, is that I also found out that stress defeats thyroid too! I have been ill for years because of this lack of medical support/knowledge. Thanks for the update info and links

in reply to FIT2018

Me too. For YEARS. Have gotten started 2 months ago on the right track with a new endo after being disinterestedly undertreated by my primary doctor. I am 74 and a retired nurse and STILL had a hard time finding effective treatment. Despite asking for other tests (freeT3, antibodies, Vit D, B12, Folate, and Ferritin, etc) she wouldn't order them-would only order the T4 and TSH!!! (I'm in the US and private testing is just beginning to take hold-previously very expensive as labs prefer to have doctors order tests as they can bill insurance and make more money). Needless to say she is no longer my primary physician. I'm beginning to feel better but still royally p*%#@$^ at having to feel so bad for so long.

Bella53 profile image
Bella53

I think this is a really useful post, especially for people either newly diagnosed or new to this forum. I too was just told to take levo with absolutely no other information from my GP. It is only down to information and support from here that I have gained wellness.

ebnursey profile image
ebnursey

Have been on 100 levothyroxine for 16 yrs, no mention of avoiding dairy take my tabs with an actiMel drink followed by cereal with milk, no change in blood levels which are checked routinely and along with different probs I have. I will however, try and take it later than breakfast or an hour or two before and monitor the difference within myself

Tensile profile image
Tensile

I have just been told my hypothyroidism results indicate need to increase dose of Levothyroxin. However I looked up on web and saw I should not take meds with calcium. I have been taking it with two adcal tablets washed down with coffee! Am correcting this but have noticed my joints are aching. Am pretty sure I have arthritis but have been taking glucosamine with chondroitin for this over about ten years and it seems to have kept it in check until recently. Could it be the recent change in hypothyroidism results.

eeng profile image
eeng in reply to Tensile

It might be worth you copying this question into a new post. You will probably get more replies. Also you should post your latest Thyroid test results (in the UK we have a right to them) with the lab ranges.

greygoose profile image
greygoose in reply to Tensile

As you've been taking your levo with adcal, you probably aren't absorbing the vit D, either. And that could account for aching joints. See how you get on taking them separately. There should be a four hour gap between levo and calcium/vit D.

Beachytoes2u profile image
Beachytoes2u in reply to greygoose

Should be posted on bottle! When I picked up armour-compounding office, they told me to take w water....

greygoose profile image
greygoose in reply to Beachytoes2u

Maybe so, maybe so… But we live in an imperfect world.

FIT2018 profile image
FIT2018 in reply to greygoose

Arrrrrrrrrg. Another gem for GG: "4 hours between levo and VIT D?????" another mistake I'm making.. what about B12? should there be a gap too there? (there's no end to this!)

Thanks as always :)

greygoose profile image
greygoose in reply to FIT2018

Assuming that B12 is sublingual or a spray - which it should be - no, you don't need to leave a gap. :)

FIT2018 profile image
FIT2018 in reply to greygoose

Ok, now I have to find sublingual or spray B12! Assuming this is commonly available.. 👍

greygoose profile image
greygoose in reply to FIT2018

Yes. Most people take sublingual B12. You can find them on Amazon by Jarrow or Solgar. :)

FIT2018 profile image
FIT2018 in reply to greygoose

Thanks for the info.. Should I be looking at zinc as well?

greygoose profile image
greygoose in reply to FIT2018

It's a good thing to try. But don't start both at once. :)

Furface profile image
Furface in reply to Tensile

I read a very good book lately that really opened my eyes regarding calcium. It seems we are all told bones need calcium but we are not told about all the other minerals needed in addition. Taking calcium supplements only means that we throw the remaining minerals out of balance causing calcium to be lodged in tissues which causes further problems. Bones don't need just calcium, they need potassium, magnesium, manganese, silica, iron, zinc, selenium, boron, phosphorus, sulfur and chromium. Bones are made of all these minerals and traces of 64 other minerals, not just calcium. we are all subjected to plenty of calcium already (think about fortified cereals, breads, etc) . . . . and people are getting sicker, please at least download the free E-reader sample of What Your Doctor Still Doesn't Know THE CALCIUM LIE II by ROBERT THOMPSON . . . . (its free) as this could be causing you the problems you have. GP's know very little about nutrition as it is the tiniest bit of the their training and there is so much knowledge out there. If this comment helps even one person who reads it, it was worth me sharing, Robert Thompson knows his stuff. His book is not just about calcium, it covers thyroid and how the entire body works. I recommend it ! (No, I am not selling it but it helped me greatly). : )

bluehaven201 profile image
bluehaven201

Thank you so much for sharing this information Maggie.

Louiss profile image
Louiss

Thankyou for that info, I also diagnosed in early 90s and diet in any form has never been mentioned. Phfffft.

Andy8565 profile image
Andy8565

I take my levothyroxine at night time, as I've read it has better absorption at night, and havnt got to worry about not eating things that potentially interfere with absorption. 😊

FIT2018 profile image
FIT2018 in reply to Andy8565

Started doing the same.. seems to work better for me and as you say, less to f*%k up!

Lola2003 profile image
Lola2003

A revelation to me, having been on Levo for 28 years, and usually having my breakfast with tea or coffee and milk 30 to 45 minutes after having taken first this med with water. I also used to take Adcal,but no longer do so, but take VitD at the same time as my breakfast, together with Omega 3 capsule and Turmeric capsule. I also have osteo-arthritis. So probably am doing everything wrong. My GP has changed the way I take Levo. One day 100mcg, the next 75mcg and so I alternate. Greygoose might like to give me advice. Thank you for your forum which I read daily,

Judithdalston profile image
Judithdalston

I noticed the following this March when I was given an extra 25 mcg of levothyroxin that the prescription proper included a note for this dose 'one to be taken each morning at least 30 minutes before breakfast, caffeine-containing drinks or other medication'. Yet the 100 mcg dose I had been taking for 12 plus years still said 'one to be taken in the morning'. I asked the pharmacist at the doctor's surgery why the difference, she said it was due to a drop down box that appeared on the computer programme for the GP to choose. Perhaps the logic being 25 mcg (and perhaps the 50 mcg dose too) is the starter dose to start good practice. The stuck on label on the packet for both dosages just had the ' take in morning' instruction. The pharmacist then said 'you should read the instructions inside': my Mercury Pharma instructions says on the second page ' the dose you should take will be on the label attached by your pharmacist. Swallow the tablets with plenty of water. You should usually take your tablets before breakfast..'. The Teva instructions interestingly are more explicit:' the tablets should be swallowed, with a drink of water, in the morning at least 30 minutes and preferably one hour before breakfast'. Neither mention problems re absorption re caffeine, calcium products, or the various vitamin/mineral supplements hypothyroid sufferers often take.

I started off on the Mercury ( didn't get on with the Teva) so had very little help from the start of taking Thyroid 'meds'. But certainly noticed the difference in blood tests changing from taking levothyroxin 'just before' breakfast to the middle of the night. But before I made this change I had had lots of help from trawling thru this forum- lots of regular advice re avoiding milk, iron, VitD etc tablets with our T4,T3, essential supplements...

Thanks for this post.

I have my other medication for heart 2 hours after taking Levothyroxine.

I have breakfast 2 hours after taking Levothyroxine, it’s porridge with coconut milk (Koko) that’s fortified with calcium. Will this interfere with Levothyroxine?

Thanks.

Maggie0652 profile image
Maggie0652

According to the NHS advice it will interfere with thyroxine absorption, if it’s within 4 hours of taking meds, but as has been pointed out in earlier posts, if you’ve been doing this regularly, it would have shown in your blood tests and your dose would have been altered accordingly. So I wouldn’t worry about it as long as that’s all the calcium you’re having.

haggisplant profile image
haggisplant

Honestly, after 20 years of taking thyroxine I don’t think it hugely matters - consistency is more important.

They do say very high fibre can interfere. So maybe but at the same time as museli every day, the odd time won’t hurt.

There WAS a difference when I took beta blockers and I needed 12.5 more.

I wouldn’t take calcium or iron tablets near thyroxine though.

bxkxx profile image
bxkxx

I was looking this up because I needed to know if other sources of calcium (non-dairy) would also affect the levo absorption. I have only started taking it a couple weeks ago. While I knew not to take calcium and iron at the same time as levo, I thought that meant not taking calcium and iron SUPPLEMENTS. I just read the bottle and it said "calcium and iron PRODUCTS," which means dairy would be a no-no!

Now I realize that I shouldn't be drinking milk or having dairy too soon after taking levo, but I'm actually very shocked to see that many people weren't informed anything at all. My pharmacist and levo bottle are pretty informative (when and how to take, etc). I'm just wondering, are there nothing else written on your bottles of levo?? :O (this is just me being surprised at a lot of people in this thread)

You may also like...

Levothyroxine and dairy allergy

about on the Thyroid UK website. I discovered that as well as gluten, I’m allergic to cow dairy...

what is the best non dairy milk to have with cereal an hour after taking Levothyroxine?

I have been having coconut milk everyday with my cereal for a year or 2 (swapped from soya as read...

Quick Gluten & Dairy Question

have removed these two things from my diet for the last 2 years as recommended on this forum and...

GF / dairy / soy diets

all, So I'm giving the GF diet a go and despite a couple of slips early on I've so far managed to...

Hyperthyroidism and gluten, soya dairy free

foods out. For quite some years I do not have a lot of dairy in my diet because I do not like the...