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Why us?

Delivery within 2 work days
Free shipping over £50.00
60-day refund policy
More than 4.7 million customers from all over the world
Delivery within 2 work days
Free shipping over £50.00
60-day refund policy
More than 4.7 million customers from all over the world
Delivery within 2 work days
Free shipping over £50.00
60-day refund policy
More than 4.7 million customers from all over the world
Delivery within 2 work days
Free shipping over £50.00
60-day refund policy
More than 4.7 million customers from all over the world
020 8089 0131

Free consulting

Elisa
Elisa
Star Star Star Star Star
5 / 5

I often felt tired and fatigued during the day. Since I started using this product regularly, I feel less tired and more capable of getting through my daily activities.

THYROID

Food supplement with sweetener
Star Star Star Star Star
4.88 / 5
Verified 168 Verified reviews

Reduce tiredness and fatigue² and contribute to normal thyroid function⁵

  • Contributes to the normal thyroid function5
  • Contributes to the normal production of thyroid hormones and normal thyroid function6
  • Contributes to the protection of cells from oxidative stress5
  • Contributes to normal energy-yielding metabolism2
  • Contributes to emotional balance and general wellbeing1
  • Contributes to a reduction of tiredness and fatigue2
  • Contributes to normal functioning of the nervous system2
  • Contributes to optimal relaxation1
Neto 140 g | for 14 days
How to Use

Mix one scoop (5 g) in a glass of water, twice a day, half an hour before meal. For precise measuring we suggest weighing.

Warning:

A food supplement is not a substitute for a balanced, varied diet and a healthy lifestyle. The recommended daily dosage must not be exceeded. Keep out of reach of children! We do not recommend pregnant women and nursing mothers to consume the product.

Not recommended if you have high blood pressure. Do not use along with prescribed thyroid hormone drugs, unless your doctor advises it.

If you have thyroid disease, kidney disease, or are taking diuretics, consult your doctor before use.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients

THYROID – Food supplement with sweetener

Ingredients: Maltodextrin, Ashwagandha powder (withania somnifera, root) (20 %), Magnesium citrate, L-tyrosine, stabilizer: cellulose, lemon flavor (2 %), beet concentrate (maltodextrin, powder of beetroot (Beta vulgaris)), Kelp (Ascophyllum nodosum) brown algae exttract (0,25 %), sweetener: steviol glycosides from stevia, Natrium selenite.

Nutritional Value
Active ingredients per (10g)
Powdered ashwagandha 2000 mg
L-tyrosine 400 mg
Magnesium 255 mg (68% NRV*)
Kelp extract
– of which iodine
200 mg
250 μg (166% NRV*)
Selenium 55 μg (100% NRV*)
*NRV = nutrient reference value
Certifications

Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust.
Here’s what our testing covers:

  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.

Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.

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Reviews

4.88
Based on 168 reviews
5★
155
4★
9
3★
2
2★
0
1★
2
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Everything you need to know:

Can I drink this product every day?

Yes! This product is meant to be enjoyed every day. Simply mix one scoop (5 g) in a glass of water, twice a day, about half an hour before meals. It’s important to take it regularly and consistently for the best results.

Can magnesium help me if I’m often tired and feel fatigue?

If you’re experiencing ongoing fatigue, it could be related to inadequate magnesium intake. Magnesium contributes to the reduction of tiredness and fatigue, while also supporting normal energy-yielding metabolism.

What benefits can this product offer me?

This product offers a variety of benefits. It contributes to emotional balance and general wellbeing¹, supports normal energy-yielding metabolism², and helps maintain the normal functioning of the nervous system². It’s also known to support normal thyroid function⁵, the normal production of thyroid hormones and normal thyroid function⁶, and much more.

Our customers also confirm it works

star star star star star 4.9 / 5
Patricia
star star star star star 5/5

I was looking for a product to include in my routine that contains nutrients related to thyroid function. I like that this formula focuses on normal thyroid function and thyroid hormones.

Patricia
Monica
star star star star star 5/5

I ordered the THYROID drink a month ago after a co-worker recommended it. It fits well into my routine, and I’m happy with my experience so far. I would definitely recommend it.

Monica
Alicia
star star star star star 5/5

I value products that support general wellbeing. In this respect, THYROID has exceeded my expectations, and I can honestly recommend it.

Alicia
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Discover what THYROID can do for you

Supports in periods of mental and nervous tension and of anxiousness¹
In today’s busy world, periods of mental and nervous tension and anxiousness are common. Our product supports in periods of mental and nervous tension and of anxiousness¹, contributes to optimal relaxation¹, and contributes to emotional balance and general wellbeing¹. It is important to take the product as directed and use it regularly.

Contributes to a reduction of tiredness and fatigue²
Feeling tired or low on energy can happen to anyone. Our product contributes to a reduction of tiredness and fatigue², contributes to normal energy-yielding metabolism², and contributes to normal functioning of the nervous system². These are just some of the many reasons why this product deserves a place in your daily routine.

Contributes to the normal thyroid function⁵
Our product contributes to the normal thyroid function⁵ and contributes to the normal production of thyroid hormones⁶, which are key benefits you can enjoy by using this product consistently.

Contributes to the protection of cells from oxidative stress⁵
This product contributes to the protection of cells from oxidative stress⁵, which is important for supporting the body in stressful or demanding situations.

Product option image

Advanced 6-in-1 support for thyroid⁵,⁶

Six-action formula with Ashwagandha powder¹, Magnesium², L-tyrosine3, Kelp Algae extract4, Selenium⁵ and Iodine⁶

Product option image

Do you want to manage mental tension?
Ashwagandha powder supports in periods of mental and nervous tension and of anxiousness¹, contributes to optimal relaxation¹, and contributes to emotional balance and general wellbeing¹. This makes it a great choice for anyone looking for trusted support.

Do you want to reduce tiredness?
Magnesium contributes to a reduction of tiredness and fatigue², supports normal energy-yielding metabolism², and contributes to normal functioning of the nervous system². These benefits make this product ideal for anyone looking to stay energized throughout the day.

Do you want to support normal thyroid function?
Selenium contributes to the normal thyroid function⁵ and contributes to the protection of cells from oxidative stress⁵. Iodine contributes to the normal production of thyroid hormones and normal thyroid function⁶. This blend brings the key nutrients together in one formula for everyday use, with each ingredient offering its own benefits.

Do you want comprehensive support in one formula?

This formula combines a wide range of carefully selected ingredients — Ashwagandha powder¹, Magnesium², L-tyrosine³, Kelp Algae extract⁴, Selenium⁵, and Iodine⁶ — in a single product.
All of these ingredients are well known for their various characteristics, and together they offer a thoughtfully composed formula for convenient everyday use.

 

Reasons to start using THYROID today

If you start using THYROID today:

  • You contribute to the normal thyroid function⁵
  • You contribute to the normal production of thyroid hormones and normal thyroid function⁶
  • You contribute to emotional balance and general wellbeing¹
  • You contribute to a reduction of tiredness and fatigue²
  • You contribute to normal functioning of the nervous system²
  • You contributes to optimal relaxation¹

If you start using THYROID later:

  • You are delaying the benefits of supporting the normal thyroid function
  • You are postponing support for the normal production of thyroid hormones and normal thyroid function
  • You are missing out on contributions to emotional balance and general wellbeing
  • You are delaying the reduction of tiredness and fatigue
  • You are postponing support for normal functioning of the nervous system
  • You are missing out on optimal relaxation

Made from quality ingredients

Ashwagandha powder

1. Ashwagandha powder

Ashwagandha powder is made by drying and grinding parts of the Withania somnifera plant. It is a natural ingredient known for its versatile applications.

Magnesium

2. Magnesium

Magnesium contributes to the normal functioning of the nervous system, muscle function, normal energy-yielding metabolism, and also contributes to electrolyte balance.

L-Tyrosine

3. L-Tyrosine

L-Tyrosine is a non-essential amino acid that occurs naturally in the human body and in a variety of protein-containing foods. It is a building block used by the body in several biological processes and is a precursor to various naturally occurring compounds.

Kelp Algae extract

4. Kelp Algae extract

Kelp (Ascophyllum nodosum) is a large seagrass that grows in nutrient-rich underwater habitats in shallow oceans. It is a source of iodine, which plays a role in the production of thyroid hormones and the normal functioning of the thyroid gland. Iodine also plays a role in cognitive function and contributes to the functioning of the nervous system.

Selenium

5. Selenium

Selenium contributes to the normal function of the immune system and to the protection of cells from oxidative stress. It contributes to the maintenance of normal hair and nails.

Iodine

6. Iodine

Iodine contributes to the normal production of thyroid hormones and normal thyroid function.

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Traceability of our raw materials

We select every ingredient with the utmost care and monitor it closely to ensure optimal efficacy—supported by scientifically proven effectiveness.
Our commitment to transparent traceability guarantees the integrity and excellence of every component in our products.
Our products are certified in accordance with the IFS Standard under registration number: 00063/0, and by KON-CERT under certificate number: EPR-26420/22-1.

60-days-Money-back-Badge-Landing_EN-white-300x300-1-2.png

60-Day Money-Back Guarantee

To make your purchase risk-free, we offer a 60-day money-back guarantee.
If you’re not completely satisfied with the product, simply contact us—we’ll refund your money.

THYROID

THYROID

Thyroid function⁵ and optimal relaxation¹ support

  • Contributes to the normal thyroid function⁵
  • Contributes to the protection of cells from oxidative stress⁵
  • Contributes to a reduction of tiredness and fatigue²
  • Contributes to optimal relaxation¹

Frequently asked questions from our users

FAQ

How and why do they work?

The product works with carefully selected ingredients, each offering numerous benefits when taken regularly and consistently, supporting you in various areas, with the key benefit of this product being that it contributes to normal thyroid function⁵.

FAQ

Who is it for?

The package is intended for everyone who wants to benefit from this product with carefully selected ingredients through regular and consistent use.

FAQ

What ingredients does it contain?

Ashwagandha powder1, magnesium2, L-tyrosine3, kelp Algae extract4, selenium5, iodine6

FAQ

When are the first results visible?

The time to see results may vary from person to person. For best effects, it is important to take the product regularly and consistently.

FAQ

How long does shipping take?

We will do our best to process your order the same day and send it for delivery. On average, packages are delivered in 2 business days.

FAQ

What if I don't like it?

No worries! If the product does not meet your expectations, we offer a 60-day refund.

Previous
Next
Elisa
Elisa
Star Star Star Star Star
5 / 5

I often felt tired and fatigued during the day. Since I started using this product regularly, I feel less tired and more capable of getting through my daily activities.

THYROID

Food supplement with sweetener
Star Star Star Star Star
4.88 / 5
Verified 168 Verified reviews

Reduce tiredness and fatigue² and contribute to normal thyroid function⁵

  • Contributes to the normal thyroid function5
  • Contributes to the normal production of thyroid hormones and normal thyroid function6
  • Contributes to the protection of cells from oxidative stress5
  • Contributes to normal energy-yielding metabolism2
  • Contributes to emotional balance and general wellbeing1
  • Contributes to a reduction of tiredness and fatigue2
  • Contributes to normal functioning of the nervous system2
  • Contributes to optimal relaxation1
Neto 140 g | for 14 days
How to Use

Mix one scoop (5 g) in a glass of water, twice a day, half an hour before meal. For precise measuring we suggest weighing.

Warning:

A food supplement is not a substitute for a balanced, varied diet and a healthy lifestyle. The recommended daily dosage must not be exceeded. Keep out of reach of children! We do not recommend pregnant women and nursing mothers to consume the product.

Not recommended if you have high blood pressure. Do not use along with prescribed thyroid hormone drugs, unless your doctor advises it.

If you have thyroid disease, kidney disease, or are taking diuretics, consult your doctor before use.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients

THYROID – Food supplement with sweetener

Ingredients: Maltodextrin, Ashwagandha powder (withania somnifera, root) (20 %), Magnesium citrate, L-tyrosine, stabilizer: cellulose, lemon flavor (2 %), beet concentrate (maltodextrin, powder of beetroot (Beta vulgaris)), Kelp (Ascophyllum nodosum) brown algae exttract (0,25 %), sweetener: steviol glycosides from stevia, Natrium selenite.

Nutritional Value
Active ingredients per (10g)
Powdered ashwagandha 2000 mg
L-tyrosine 400 mg
Magnesium 255 mg (68% NRV*)
Kelp extract
– of which iodine
200 mg
250 μg (166% NRV*)
Selenium 55 μg (100% NRV*)
*NRV = nutrient reference value
Certifications

Why Independent Testing Is Essential At Nature’s Finest, we believe that wellness starts with trust.
Here’s what our testing covers:

  • Ingredient Precision: We verify that the nutrients listed on our labels are present in the exact amounts promised.
  • Purity & Cleanliness: Each product is screened for substances such as heavy metals (including mercury, lead, and arsenic), common allergens (like soy, dairy, nuts, and gluten), and microbial threats like E. coli and salmonella.
  • Nutrient Verification: We confirm that both macronutrients and micronutrients are present and potent.

Explore our IFS Food Standard certification—the highest level of quality assurance in the industry—and see why Nature’s Finest stands above the rest. View our certification here.

£24.99
-0%
Subscription
One-time purchase

Switch to subscription and save
For just you get the same. A simple way to enjoy the best prices. You can change or cancel your subscription at any time!

Add to cart ➝
Return guarantee icon 60-day money-back guarantee
Free delivery icon Free delivery over £50.00
Delivery in 2 business days
visa mastercard american_express paypal

Questions? Call us: 020 8089 0131

Customer Reviews

168
Verified reviews
4.9/5
Previous
Published 2 years ago by: Katarzyna J.
Published 9 months ago by: Chioma Konwea
Nice products… hoping for an excellent outcome
Published 4 months ago by: Belkis Villa
I love all the products, they all have different uses for, but at the end of the day they all work. I would definitely recommend it to anyone. Thank you for your existence, we cannot do it without you ❤️
Published 4 months ago by: Radu Constantin
Good
Published 5 months ago by: Jayne Wallace
Great prices and easy to use site x
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Mix one scoop (5 g) in a glass of water, twice a day, half an hour before meal. For precise measuring we suggest weighing.

Warning:

A food supplement is not a substitute for a balanced, varied diet and a healthy lifestyle. The recommended daily dosage must not be exceeded. Keep out of reach of children! We do not recommend pregnant women and nursing mothers to consume the product.

Not recommended if you have high blood pressure. Do not use along with prescribed thyroid hormone drugs, unless your doctor advises it.

If you have thyroid disease, kidney disease, or are taking diuretics, consult your doctor before use.

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

THYROID – Food supplement with sweetener

Ingredients: Maltodextrin, Ashwagandha powder (withania somnifera, root) (20 %), Magnesium citrate, L-tyrosine, stabilizer: cellulose, lemon flavor (2 %), beet concentrate (maltodextrin, powder of beetroot (Beta vulgaris)), Kelp (Ascophyllum nodosum) brown algae exttract (0,25 %), sweetener: steviol glycosides from stevia, Natrium selenite.

Active ingredients per (10g)
Powdered ashwagandha 2000 mg
L-tyrosine 400 mg
Magnesium 255 mg (68% NRV*)
Kelp extract
– of which iodine
200 mg
250 μg (166% NRV*)
Selenium 55 μg (100% NRV*)
*NRV = nutrient reference value

Customer Reviews

  1. Katarzyna J.

Frequently asked questions from our users

How long can I take it? Can I do the cure?

The product can be taken continuously for up to 6 months, after which we recommend taking a break for 1 month and repeating these intervals. For best results, we recommend taking the product for a few months.

When is the best time to take it?

We recommend that you take the product twice a day 30 minutes before a meal.

Can pregnant women and nursing mothers consume it?

Pregnant women and nursing mothers are advised against its use.

Is it suitable for vegans?

Yes, the product is suitable for vegans and vegetarians.

Can I take it alongside medication?

Dietary supplements are foods intended to supplement the normal diet, if you are taking any medication, consult your personal physician before taking a dietary supplement.

What can I do if I don't like the taste? And can I mix it with boiling water

If you don’t like the taste, you can mix it into juice, smoothies or dissolve it in more water. We do not recommend consuming this product in hot water as this may destroy the effect of the active ingredients and vitamins.

Can children consume it? From what age can I consume the product?

The product can be consumed by persons over 15 years of age.

Diabetics and other health conditions?

This product contains maltodextrin, which increases blood sugar levels and is therefore not recommended for diabetics, and in case of associated conditions, consultation of a personal physician is recommended.

Are there possible side effects?

The product is usually well tolerated and many users report no side effects. However, it is important to understand that each person reacts differently to dietary supplements. Consult a nutritionist or doctor before use, especially if you have any health problems or are taking medication.

Advice from our experts in addition to eating the product?

1. regular physical activity 2. balanced diet 3. quality sleep 4. adequate hydration 5. reduced alcohol and caffeine intake 6. regular medical check-ups

Is the product suitable for both women and men?

Yes, the product is suitable for women and men.

Is the product suitable for people with high blood pressure and thyroid problems?

Persons with high blood pressure and thyroid problems are advised to consult their physician before using this product as it may affect blood pressure and thyroid function.

Product not well mixed, lumps, contents floating on water?

Clumps are a perfectly normal occurrence in a powdered product that absorbs moisture. Floating contents are insoluble plants which do not affect the quality of the product. If the contents do not dissolve in water and/or bother you, you can remove them and they can also be eaten.

Why choose Nature’s Finest?

15

Years of tradition

400+

Unique products”

50+

Patented active ingredients

3mil+

Satisfied customers

Nature

We believe in the perfection of nature. Our commitment extends to the responsible sourcing of raw materials, including sustainability, ethics, and fair business practices. To reduce our carbon footprint, we use environmentally friendly packaging.

The effectiveness of our products is confirmed by verifiable and reproducible studies and research. All of our products are tested in independent laboratories, as our goal is to offer our customers only the highest-quality and most effective products for their money.

 
 

Nature offers effective solutions to many of the challenges we face. Our experienced development team harnesses and combines these exceptional substances in our products so the body can make optimal use of them. The active ingredients in our products are included in proven effective amounts—not just in small, negligible quantities.

We test our products through various user studies and trials to ensure their safety and effectiveness. We always listen closely to our customers’ feedback and take their opinions, reviews, and suggestions into account to ensure our products are truly tailored to their needs.

Meet our product development experts

We are proud that our team consists exclusively of top experts in nutrition and natural formulations, ensuring the development and outstanding quality of our products. With great dedication, they conduct studies and research and work closely with external laboratories, testing institutes, and other specialists to guarantee the highest quality and safety of our products.

Thanks to their extensive experience and industry expertise, our experts are committed to providing Nutrisslim customers with the most innovative products and to maintaining our status as one of the leading companies in the field of nutrition and dietary supplements.

Meta Bizjak

M.Sc. in Nutritional Engineering

Pia Fistrovič

Food and Nutrition Engineer

#WeAreNature

»Committed to bringing the most natural products to your home«

For over 15 years, Nature’s Finest has been dedicated to providing natural solutions for everyone who wants to overcome lifestyle-related challenges and discomforts. We use only 100% natural ingredients, produced traditionally, without additives or unnecessary processing. Whenever possible, we choose organically grown ingredients certified under SI-EKO-001.

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