The forgotten nutrient every midlife woman needs – with Dr Craig Rose
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What symptoms in midlife women might indicate an iodine deficiency?
A lot of women in midlife do have thyroid issues. Things like tiredness and fatigue, brittle hair and nails, poor skin health, weight management, so difficulty losing weight or putting weight on quite easily. This is an underactive thyroid, which can be caused through not enough iodine. Hormonal imbalances, brain function, loss of libido, and it gets mixed with perimenopause and menopause. And And so marine sourced foods and particularly seaweeds give us so much and absolutely contribute to that longevity and that better health span as well.
Well, that's Dr. Craig Rose. He is a marine biologist who wants you to consume more seaweed because its nutrients might just support your skin, your metabolism, and brain health. I'm Liz Earl. Welcome to Age Better. And this episode is brought to you by Dr. Seaweed. And I'm sure you know by now, my mission is really to change the conversation around aging. And what I'd love to show you through this podcast is that small but really powerful shifts in what you eat, how you move, the way you sleep and live can genuinely transform how you age. And today, did you know that seaweed is one of the most nutrient-dense foods on the planet? Indeed, marine biologist Craig Rose has seen how the iodine seaweed contains can have a real impact on our skin, our thyroids, and our brains too.
Now, this is really important because a 2024 Lancet Global Health Model estimated that 68% of all people worldwide have inadequate iodine intake from food, with higher inadequacy among women. I do wonder why we know so much about magnesium and iron, for example, but almost nothing about iodine. Well, Craig founded supplement brand Dr. Seaweed in 2018 to address these growing gaps in our modern nutrition. And I had to say, it's a brand that I know and love. It's something that you will find if you investigate my kitchen cupboards, it's there. I had my marine collagen In my coffee this morning and I have even been up to the Outer Hebrides to see it being harvested for myself, something I'm sure that we will cover.
And if you'd like to try Dr. Seaweed supplements for yourself, as a podcast listener, you get 20% off your purchases. That's at drseweed.com when you use the code LizLoves at the checkout. Craig, welcome back to the show. Always love getting to chat with you. And for those who might not have caught one of our conversations before, either here or on Instagram, do remind us of the brilliant story of how on earth you went from marine biologist to super supplement brand founder.
What an introduction. Thank you so much for having me. Um, so yeah, so I study marine biology and I'm a a doctor of marine biology and It started nearly twenty years ago when I was working with seaweed on a sort of commercial R and D project up in Scotland. It's actually based near Aberdeen and It was a project looking at how to turn seaweed into biofuels. And it was, you know, it was an interesting project, had a lot of scope. But I I met these guys up in the Outer Hebrides that you mentioned there in your introduction and Saw that seaweed actually is something which ticks like every big trend. So it is can use it for biofuels, which may one day happen, but that's a bit in the future. But certainly for food, health, nutrition, life sciences, biomaterials, it really is pretty unique.
So I saw an opportunity where actually it's a forgotten food. It's something we all used to eat. And we used to put it on the land for fertilizer. We've fed it to animals, but we've just sort of forgotten, certainly in the West. But it is, as you said in the introduction, massively nutrient-dense. However, how did we take it? I understood that as a marine biologist, but to create a brand around that, it's got to be in a format that people will actually. engage with and take regularly and if it was just seaweed, it's not the nicest tasting stuff on its own. So there were a few challenges to make sure you could get it enough of it sustainably, but also it's in a format that people can really love.
So what is it about seaweed then that that you feel fundamentally is is so special?
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Chapters
4 chapters
1
What symptoms in midlife women might indicate an iodine deficiency?
0:00–11:04
2
How did Dr Craig Rose transition from marine research to founding a seaweed supplement brand?
11:04–19:19
3
Why is iodine considered the key nutrient in seaweed for thyroid health?
19:19–33:23
4
How can you tell if thyroid‑related symptoms are actually perimenopause?
33:23–41:59
Speakers
1 identifiedMore from Age Better with Liz Earle
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