Advice on supplements & iron panel and selenium... - Thyroid UK

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Advice on supplements & iron panel and selenium /zinc tests

jsy_girl profile image
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Hello is anyone able to interpret my latest iron panel result? I have been supplementing with 150mg of iron bisglycinate and 1 ferrous fumarate tablet daily before this test (stopped 1 week before). With iron of 74% through range is this too high or can I continue? My ferritin result is only 54 (or 66 if you go by medichecks) and I was trying to increase it.

I also tested selenium which was 133 ug/L (53-105) - based on me just eating brazil nuts - so it was pretty high. Will maybe reduce how many brazils i have.

Other tests I had:

Active B12 187 pmol/L (25.1-165)

Endomysial antibodies - negative

Gastric parietal cell antibodies - negative

Calcium 2.39 mmol/L (2.20-6.60)

Serum zinc 33.4 umol/L (9.6-20.5)

I got my thyroid tested too, results in previous post:

healthunlocked.com/thyroidu...

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SeasideSusie profile image
SeasideSusieRemembering

jsy_girl

Optimal levels according to rt3-adrenals.org/Iron_test_... are:

Serum iron: 55 to 70% of the range, higher end for men - as yours is 74% then it's on the higher side and you wouldn't need to take iron tablets, it will only take your level higher.

Saturation: optimal is 35 to 45%, higher end for men - at 36% yours is OK.

Total Iron Binding Capacity (TIBC): Low in range indicates lack of capacity for additional iron, High in range indicates body's need for supplemental iron - at 48% yours is nicely mid-range

Ferritin: I would now just use iron rich foods which should raise this and hopefully not raise the rest of your iron panel (it doesn't with me and I eat liver weekly). Liver (no more than 200g per week due to it's high Vit A content), liver pate, black pudding and other iron rich foods: apjcn.nhri.org.tw/server/in...

B12 - are you supplementing? If so I'd reduce.

Calcium is within range.

Zinc is recommended to be half way through range. From labtestsonline.org.uk/tests...

High results are rarely seen as excess zinc can be excreted in the urine/faeces. Excessive supplementation of zinc can be toxic to the kidneys. Symptoms of zinc toxicity include nausea, vomiting, lethargy and drowsiness.

I suppose you could ask yourGP about this as you don't supplement.

Selenium is high. Does the packaging on the Brazil nuts show they're grown in selenium rich soil? Maybe stop them for a while. Too much selenium over time can cause the following:

Garlic breath

Nausea

Diarrhea

Skin rashes

Irritability

Metallic taste in the mouth

Brittle hair or nails

Loss of hair or nails

Discoloured teeth

Nervous system problems

jsy_girl profile image
jsy_girl in reply toSeasideSusie

Thank you that is super helpful I wasn’t sure whether to do anything about them or not.

It’s quite nice to have a break in supplementing everything too!

I was taking B12 additional 1500mcg a day on top of igennus super b as nothing was happening before with my levels. My folate is still a bit low so I thought I still want the b complex but I’d stop with the additional tablet snd reduce to 1 x a day of igennus. Think this is okay or will still be over doing it?

Zinc I think I get from eating so many seeds. I eat pumpkin, chia, flax and sesame regularly.

I can reduce this a bit.

The Brazil’s are the super high selenium ones from Sainsbury’s. I will stop for a bit and then only maybe eat 1 a day rather than 3-6

SeasideSusie profile image
SeasideSusieRemembering in reply tojsy_girl

jsy_girl

Well it's good to know that the Sainsbury's nuts have so much selenium in them, wish I had a Sainsbury's by me, but I'm a total pig with nuts and I always eat far more than I should if I have the opportunity (and chocolate, cake, biscuits - I can't keep anything in the house as I have no "off" switch 😞 ).

It's good that you're getting so much from your diet. I like seeds too, I put extra sunflower and pumpkin seeds as well as extra nuts in my muesli.

A separate B12 supplement is unlikely to be necessary once B12 hits the 500+ng/L or pg/ml, the amount in a B Complex will be enough. You could continue with your Igennus, 1 tablet gives 200mcg methylfolate and 450mcg methylcobalamin. If you need more methylfolate have a look at Thorne Basic B as I capsule gives 400mcg methylfolate and only 400mcg methylcobalamin.

jsy_girl profile image
jsy_girl in reply toSeasideSusie

Thanks that’s a good tip. I’ll try one a day igennus and retest in 3-4 months. I can see what the ferritin and folate are all doing by then too. And if it needs it I can swap to Thorne. Plus can check vitamin D. I was doing huge doses of that and now dropping right back to just 2000iu to see what happens.

Yeah I have pcos so I have to be super careful with carbs and sugar. Otherwise Pow ive eaten all the cakes and biscuits. I just don’t even notice. I did this protocol last year snd it’s helped me to find a way to not crave the sugar so much so that’s been such a life changer. I just also then added in loads of veg and seeds etc to make up for it. And now for breakfast I have the most ridiculous protein shake with all the seeds in ha ha.

And yes you can be most reassured by the selenium content. I don’t have a Sainsbury’s by me but when I go I stock up. Or at least I was doing! They also stock the only sweetcorn in a tin that I like so it always feels exciting to go and replenish my cupboards ha ha. But the check out woman always gives me a strange look with my limited nut and tinned veg shop! Ha

With iron would I be okay to just take a small dose daily rather than worry about liver pate. Or does the higher serum iron really advise against even a small dose. Thinking 1 X 25mg iron bisglycinate. It’s just easier to pop a pill for iron.

SeasideSusie profile image
SeasideSusieRemembering in reply tojsy_girl

I really can't advise on the iron I'm afraid. You're already over the optimal level suggested for a male for serum iron so I'm not comfortable suggesting you take tablets which will likely take it even higher. I have raised my Ferritin by eating liver without it affecting my other iron panel results.

jsy_girl profile image
jsy_girl in reply toSeasideSusie

Ok yeah shouldn’t try and risk it then

Serendipitious profile image
Serendipitious in reply tojsy_girl

jsy_girl,

Are you eating organic Brazil nuts from Sainsbury’s or just normal ones?

jsy_girl profile image
jsy_girl in reply toSerendipitious

They’re the fair trade ones in the yellow packet. They’re powerful though by the looks of it so you could go for the organic ones which I think are a bit lower

Serendipitious profile image
Serendipitious in reply tojsy_girl

I thought it was the organic ones that had a greater selenium content, interesting 🤔

SeasideSusie profile image
SeasideSusieRemembering in reply toSerendipitious

Serendipitious

I thought it was the organic ones that had a greater selenium content

Not necessarily. Just look at the information panel. Members have kindly passed on the following to me:

Apparently Sainsburys SO organic brazil nuts contain 50mcg selenium per 30g serving of nuts

sainsburys.co.uk/gol-ui/pro...

and their Fairtrade ones have 75mcg selenium per 30g serving

sainsburys.co.uk/gol-ui/pro...

One member has said that M&S Natural Brazil Nuts say "harvested by hand in the Amazon forest and naturally high in selenium".

Also, check out Aldi's "The Foodie Market" Brazil nuts, the packaging is said to show selenium content as 79mcg per 30g serving.

Another one is 'My Garden of Eden' Brazil nuts from Home Bargains.. They say "High in Selenium and high in vitamin E" on the front of the packet and the Nutritional Information says "one serving (25g) gives 63ug of Selenium".

Of the Sainsbury ones it's the Fairtrade which has a much higher selenium content, but the Aldi Foodie Market ones has slightly more than those.

Serendipitious profile image
Serendipitious in reply toSeasideSusie

SeasideSusie,

Excellent! Home Bargains, who would have thought! Thank you I'll bear these in mind on my next grocery trip.

jsy_girl profile image
jsy_girl in reply toSerendipitious

Yep that’s right -

Fair trade - I just read the packets but went to Sainsbury’s based on SeasideSusies suggestions :)

nellie237 profile image
nellie237 in reply toSeasideSusie

Just looking at my packet of Waitrose Brazil Nuts. It says s whopping 479ug for 25mcg. I wonder if they've got that wrong. Produce of Bolivia.

waitrose.com/ecom/products/...

SeasideSusie profile image
SeasideSusieRemembering in reply tonellie237

Based on the other examples, I can't see how it's possible for Waitrose's nuts to contain that much in a 25mcg serving.

nellie237 profile image
nellie237 in reply toSeasideSusie

I agree it has to be wrong, and oops I made a mistake too....should be 25mg serving.

jsy_girl profile image
jsy_girl in reply tonellie237

Maybe they missed a decimal point. I might tweet them.. 😂 will let you know if they reply

nellie237 profile image
nellie237 in reply tojsy_girl

Looks about right🤪

jsy_girl profile image
jsy_girl in reply tonellie237

Hello,

The supplier has confirmed that the nutrient value was taken from the USDA nutritional database .

All this correct,

Many Thanks

Amy

This is the reply from Waitrose. I don’t know the USDA Nutritional database but I assume this is standard food nutrition and unlikely to be so high. Can they have misrepresented it?

nellie237 profile image
nellie237

Just looked at Wikki Brazil Nuts, which links to the USDA. "1917mcg in 100g" = 479 mcg in 25g. Somebody must be wrong, but who? 🤪

The USDA?

Most of our UK supermarkets?

I followed the wikki link, but didn't get anywhere by searching brazil nuts?

jsy_girl profile image
jsy_girl in reply tonellie237

Yeah I’ve found the data myself now on USDA. It’s so much higher isnt it. This is where the amount that gets quoted of one Brazil having 96mcg of selenium in, comes from. Does the us have extremely selenium rich soil or something that could explain it!?

nellie237 profile image
nellie237

So much higher it seems ridiculous - maybe the US gets them from a different part of the amazon. The selenium is because the tree roots go so deep into the soil.

This is quick to read

tropicalbotany.wordpress.co...

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