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Isotonic
4.83 / 5
95
Verified reviews Instant isotonic drink for increased hydration and performance during physical activity
Replaces electrolytes lost through sweating, provides easily absorbed carbohydrates for energy and helps with muscle functions
- Maximum hydration – pre, during & post workout hydration
- With L-carnitine (500 mg per serving)
- Substitues electrolytes – contains minerals lost through sweat and helps replenish them to maintain proper electrolyte balance
- Rapid absorption – replenish fluids and electrolytes more efficiently
- Crucial vitamins and minerals for performance (Vitamin C, Magnesium, Calcium, B complex)
- Helps to reduce fatigue ²,³
- Contributes to electrolyte balance ³
- Contributes to normal muscle functions and normal protein synthesis ³
- Contributes to maintaing immune system function during and after intense physical exercise ²
- Delicious and refereshing orange taste
Get more energy and sufficient hydration to make the most of your exercise and day!
Net 400 g | for 20 days
How to Use
Mix 20 g (5 scoops) in a glass (500 mL) of water and drink before or during exercise. Weighing is recommended for accurate dosing.
Warnings:
The recommended daily amount or dose must not be exceeded. A nutritional supplement is not a substitute for a balanced and varied diet. Consumption during pregnancy and breastfeeding is not recommended. Store in a dry and cool place. Keep out of reach of children!
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
Isotonic
Ingredients: maltodextrin, glucose, dextrose, vitamin C (ascorbic acid), magnesium citrate, natural orange flavor, stabilizer: cellulose, calcium citrate, L-carnitine, rock salt, B-complex (thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, folate acid, calcium-D pantothenate, nicotine amide), Sweetener: steviol glycosides from stevia
Nutritional Value
| Nutritional values | per 20 g |
| Vitamin C | 2000 mg (2500% NRV*) |
| Magnesium citrate | 150 mg (40% NRV*) |
| Calcium citrate | 125 mg (15% NRV*) |
| L-carnitine | 500 mg |
| B-complex | 50 mg |
| – Vitamin B1 | 1,1 mg (100% NRV) |
| – Vitamin B2 | 1,4 mg (100% NRV) |
| – Vitamin B6 | 1,4 mg (100% NRV) |
| – Vitamin B1 | 2,5 µg (100% NRV) |
| – Folic acid | 200 µg (100% NRV) |
| – Pantothenic acid | 6 mg (100% NRV) |
| – Niacin | 16 mg (100% NRV) |
* NRV = nutritional reference value
£11.79
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Free delivery over £50.00
Delivery in 2 business days
60-day money-back guarantee
Free delivery over £50.00
Delivery in 2 business days
Questions? Call us: 020 8089 0131
Save extra 20%!
Switch to subscription — you can skip or cancel anytime.
- Save extra 20% on all orders, starting from your second order
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Delivery every:
- Free shipping on all orders
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+ Free Shaker (worth £10.00) with first order
Review
5★
86
4★
6
3★
1
2★
0
1★
2
Our customers also confirm it works
I have been using Isotonic for my workouts for a few weeks now and I have to say I am really impressed with the results. It keeps me hydrated throughout my workout and I don't feel tired or fatigued like I used to. I also love the added vitamins and minerals that help support my immune system. Overall, great product!
Catherine
As someone who plays sports regularly, I need to make sure I am properly hydrated and my electrolytes are in balance. Isotonic has been a game changer for me. It keeps me energized and helps me recover faster after an intense game. I also love the added L-carnitine which helps with muscle function.
Mark
I recently started a new job which requires a lot of physical activity and I was struggling to keep up with the demands of the job. Isotonic has been a lifesaver for me. It keeps me hydrated and provides the energy I need to get through the day. I also love that it has added vitamins and minerals that contribute to normal psychological functions. I feel more focused and alert throughout the day.
Annie
Made from quality ingredients
1. L-Carnitine
L-carnitine is an amino acid derivative. It is a natural compound that is produced by the body itself or can be obtained from certain foods and food supplements.
2. Vitamin C
Vitamin C plays a role in the protection of cells from oxidative stress. It contributes to the functioning of the nervous system, has a role in the functioning of the immune system and contributes to the reduction of tiredness and fatigue . Vitamin C also contributes to normal collagen formation.
3. Magnesium
Magnesium contributes to the normal functioning of the nervous system, muscle function, normal energy-yielding metabolism, and also contributes to electrolyte balance.
4. Calcium
Calcium is an essential mineral that contributes to normal muscle function, to normal function of digestive enzymes and to maintenance of normal bones and normal teeth.
5. B-complex
The B complex is a group of vitamins B1, B2, B6, B12, folic acid, pantothenic acid and niacin, which are important for our nervous system. In addition to their common function, each of the B vitamins has other important roles in our bodies.
Traceability of our ingredients
Discover nature through our natural products! We carefully select and trace every ingredient to ensure optimal effectiveness, backed by scientific evidence. Our commitment to transparent traceability guarantees the integrity and excellence of every component of our products. Our products are certified to the IFS standard (registration number: 00063/0) and also hold an ECO certificate (certification number: EPR-26420/22-1).
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High-quality ingredients
Carefully selected, pure ingredients.
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No unnecessary additives
Only what your body needs. Nothing more.
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Carefully verified purity and safety
Independently tested to ensure compliance with quality standards.
60-day money-back guarantee
To make your purchase completely risk-free, we offer a 60-day money-back guarantee. If you are not completely satisfied with the product, simply contact us and we will refund your money.
Isotonic
4.83 / 5
Verified reviews (95)
Stay hydrated and reach your full potential.
- Tasty and refreshing orange flavour
- No added sugar, no artificial sweeteners, colours or preservatives
- Maximum hydration - before, during and after exercise
- With L-Carnitine (500 mg per serving)
- Replaces electrolytes - contains minerals lost through sweating during exercise and helps to restore them to maintain the correct electrolyte balance
- Fast absorption - more efficient fluid and electrolyte replenishment
Frequently asked questions from our users
How and why does it work?
Providing a balanced blend of carbohydrates, essential vitamins, minerals, electrolytes and fluids to support hydration and maintain optimal performance during physical activity, it is the perfect rehydration drink for all activities. With added L-Carnitine for maximum energy efficiency!
For whom is the product suitable?
Isotonic is suitable for anyone who is active and wants to take their training or performance to the next level. It replaces lost electrolytes and supports muscle function.
What ingredients does it contain?
Maltodextrin, glucose, dextrose, vitamin C, magnesium citrate, natural orange flavour, stabiliser: cellulose, calcium citrate, L-carnitine, rock salt, B-complex, sweetener: steviol glycoside.
What does it taste like?
Isotonic has a pleasant and refreshing orange flavour.
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.
What if I don't like it?
No worries! If the product does not meet your expectations, we offer a 60-day refund.
Isotonic
4.83 / 5
95
Verified reviews Instant isotonic drink for increased hydration and performance during physical activity
Replaces electrolytes lost through sweating, provides easily absorbed carbohydrates for energy and helps with muscle functions
- Maximum hydration – pre, during & post workout hydration
- With L-carnitine (500 mg per serving)
- Substitues electrolytes – contains minerals lost through sweat and helps replenish them to maintain proper electrolyte balance
- Rapid absorption – replenish fluids and electrolytes more efficiently
- Crucial vitamins and minerals for performance (Vitamin C, Magnesium, Calcium, B complex)
- Helps to reduce fatigue ²,³
- Contributes to electrolyte balance ³
- Contributes to normal muscle functions and normal protein synthesis ³
- Contributes to maintaing immune system function during and after intense physical exercise ²
- Delicious and refereshing orange taste
Get more energy and sufficient hydration to make the most of your exercise and day!
Net 400 g | for 20 days
How to Use
Mix 20 g (5 scoops) in a glass (500 mL) of water and drink before or during exercise. Weighing is recommended for accurate dosing.
Warnings:
The recommended daily amount or dose must not be exceeded. A nutritional supplement is not a substitute for a balanced and varied diet. Consumption during pregnancy and breastfeeding is not recommended. Store in a dry and cool place. Keep out of reach of children!
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
Isotonic
Ingredients: maltodextrin, glucose, dextrose, vitamin C (ascorbic acid), magnesium citrate, natural orange flavor, stabilizer: cellulose, calcium citrate, L-carnitine, rock salt, B-complex (thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, folate acid, calcium-D pantothenate, nicotine amide), Sweetener: steviol glycosides from stevia
Nutritional Value
| Nutritional values | per 20 g |
| Vitamin C | 2000 mg (2500% NRV*) |
| Magnesium citrate | 150 mg (40% NRV*) |
| Calcium citrate | 125 mg (15% NRV*) |
| L-carnitine | 500 mg |
| B-complex | 50 mg |
| – Vitamin B1 | 1,1 mg (100% NRV) |
| – Vitamin B2 | 1,4 mg (100% NRV) |
| – Vitamin B6 | 1,4 mg (100% NRV) |
| – Vitamin B1 | 2,5 µg (100% NRV) |
| – Folic acid | 200 µg (100% NRV) |
| – Pantothenic acid | 6 mg (100% NRV) |
| – Niacin | 16 mg (100% NRV) |
* NRV = nutritional reference value
£11.79
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
+ Free Shaker (worth £10.00) with first order
Add to cart →
60-day money-back guarantee
Free delivery over £50.00
Delivery in 2 business days
60-day money-back guarantee
Free delivery over £50.00
Delivery in 2 business days
Questions? Call us: 020 8089 0131
Save extra 20%!
Switch to subscription — you can skip or cancel anytime.
- Save extra 20% on all orders, starting from your second order
-
Delivery every:
- Free shipping on all orders
- Cancel any time
-
+ Free Shaker (worth £10.00) with first order
Customer Reviews
Why choose Nature's Finest?
- 16 years of tradition
- 400+ unique products
- 50+ patented active ingredients
- 4.7M+ satisfied customers
Natural
We believe in the perfection of nature. Our commitment includes responsible sourcing of raw materials, based on sustainability, ethics and fair business practices.
Proven
The effectiveness of our products is confirmed by verifiable and repeatable studies and research. All our products are tested in independent laboratories, because our goal is to offer our customers products of the highest quality and real effectiveness, in line with their investment.
Effective
Nature offers effective solutions to many of the challenges we face. Our experienced development team uses and combines these exceptional substances in our products so the body can make optimal use of them. The active ingredients in our formulas are present in doses with proven efficacy, not just in negligible amounts.
Tested
We test our products through various customer studies and trials to guarantee their safety and effectiveness. We always carefully listen to our customers' feedback and take their opinions, criticism and suggestions into account to ensure our products are truly tailored to their needs.
Meet our development experts
We are proud to have in our team only top experts in the fields of nutrition and natural formulations, who guarantee the development and exceptional quality of our products. With exceptional dedication, they lead studies and research and collaborate with external laboratories, inspection bodies and other experts to ensure the highest quality and safety of our products. Thanks to their rich experience and recognized expertise in the industry, our experts strive to offer customers the most innovative products, thereby helping to maintain our position among the leading companies in the field of nutrition and dietary supplements.
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Meta Bizjak
Nutrition engineer
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Pia Fistrović
Food science and nutrition engineer
#WeAreNature
“Dedicated to bringing the most natural products into your home”
For more than 16 years, Nature's Finest has been dedicated to providing natural solutions for everyone who wants to overcome the challenges and discomforts associated with their lifestyle. We use only natural ingredients, produced traditionally, without additives or unnecessary processing. Whenever possible, we choose organically grown ingredients certified to SI-EKO-001.
