Why seaweed can stop you feeling tired all the time

We’ve almost stopped asking ourselves how to stop feeling tired – but it turns out seaweed supplements could be an easy and affordable way to get more energy.

Written by Becky Hardy
Published 16.01.2023

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We recognise this feeling.

Cold days and dark nights. The post-Christmas slump. Back to work with a bang. No energy for anything. Heck, they’re not called the January blues for nothing.

But is that why we’re tired? Come to think of it, if it wasn’t for all that mulled wine, we’d have felt sluggish in December, too. And we can definitely remember some fatigue in November.

If we’re being honest with ourselves, we’ve probably been feeling tired after covid came along, without much to boost our energy levels since. And let’s be honest, lockdown was too long ago now to still be feeling its effects.

It’s time for us to take control.



Don’t get us wrong, tiredness can be caused by a range of factors, and, if you’re at all concerned, we’d always recommend talking to your GP.

But one of the reasons many of us may be feeling fatigued is that we’re not getting enough iodine in our diets.

Research shows the UK is one of just two high-income countries with iodine deficiency issues and has a worse rate than some developing countries. This is largely linked to poor intake of iodine-rich foods, such as white fish, dairy and the right kinds of seaweed.

Find out if you’re getting enough iodine in your diet by taking this 20-second quiz


Primarily, because seaweed is a naturally rich source of iodine.

Our bodies need iodine to make the thyroid hormones that control our metabolism – the process of converting the food we eat into energy to help cells function and grow.

If we’re not getting enough iodine in our diets, as studies suggest, our normal metabolic functions – like the regulation of our heart rate, body temperature and weight – can be disrupted, leaving us feeling tired and run down.



Just because we could do with more seaweed in our diets doesn’t mean deep sea diving should be on your list of New Year’s resolutions.

If the thought of kelp makes you yelp, taking seaweed supplements may just be the answer to your fatigue-filled prayers. And as far as organic, all-natural supplements go, they don’t get much better than Doctor Seaweed’s selection.

Just one capsule (500g) gives you the same amount of iodine as you’d get from 1 litre of cow’s milk, three portions of mackerel, almost two whole blocks of cheese or 9kg of fruit and vegetables – all for just 37p a day.


Because of their iodine content, taking a course of Doctor Seaweed’s organic Scottish seaweed supplements is likely to do the trick when it comes to combatting fatigue.

In fact, an independent wellness study in November found that after taking pure seaweed supplements for 30 days, 70% of participants noticed an improvement to their energy levels, with 63% also noticing an improvement in their concentration.

But we have even better news.

Doctor Seaweed has developed a range of supplements that have additional ingredients designed to support specific areas of our health – and combatting tiredness is one of them.

Each of the key nutrients in Doctor Seaweed’s Focus+ supplement is an essential part of our diets for energy, brain health, focus and vision, as well as our wider wellness.

Alongside the iodine found in seaweed, Focus+ supplements contain:

  • B-vitamins – naturally sourced from quinoa sprouts, that support the reduction of tiredness alongside the improvement of mental performance, psychological function and vision.
  • Zinc – naturally sourced from basil and mushroom, which supports memory and learning, whilst also bringing vitamin A to the retina to improve eyesight.
  • Omega-3 DHA – naturally sourced from algae, which supports brain function and vision by improving how the brain communicates with other cells.


Whitley Bay local Dr Craig Rose is a marine biologist and seaweed enthusiast.

After working with seaweed for years on various commercial and research projects, Craig identified the urgent need for seaweed in our diets and began the clinical trials and development process that led to Doctor Seaweed’s first Weed & Wonderful supplement in 2015.

As well as knowing his stuff – Craig has a degree, masters, and a PhD in Marine Science – Doctor Seaweed also lives and breathes aquatics. You can usually find Craig on his boat, scuba diving whenever he gets the chance.

He’s also a regular volunteer at Tynemouth Aquarium, often diving into shark and seal tanks to clean them. So, next time you visit, make sure to say hello!


The key to Doctor Seaweed’s whole ethos is natural goodness.

The Organic Hebridean Ascophyllum seaweed that is core to Doctor Seaweed’s Weed & Wonderful range is wild harvested sustainably from the pristine waters of the Scottish Outer Hebrides. These waters are monitored by the Crown Estate to ensure they are of the highest quality. The seaweed itself is harvested to promote regrowth, meaning only the top layers are trimmed.

Nothing is added. Nothing is taken away. So, you can be sure of the highest natural quality of British supplements from sea to store.


The natural iodine within the seaweed is placed into capsules for ease of taking and is absorbed much in the same way as it would be from eating other whole food sources, such as white fish or dairy. To put the iodine content into context, one 500mg Pure Seaweed Capsule contains the same iodine levels as a portion of haddock, which is within safe limits.  

Although all products in the range are natural and contain no synthetic ingredients, it is still important to consider your wider diet, supplement regime and existing iodine intake when introducing any new supplements into your diet. It’s always wise to consult your GP first if you have any questions or concerns.


To find out more about Doctor Seaweed, their Weed & Wonderful supplements and how they can help your health, beauty and wellbeing, visit their website and follow them on Facebook and Instagram

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