Cindy

5 / 5

I started taking this in autumn and I’ve been feeling great the entire winter long and less fatigued as usual.

Vitamin D3 + Vitamin C

Food supplement with sweetener

4.94 / 5

227 Verified reviews

2-in-1 powerful formula for your immune system^1,2

1000 IU (500% NRV) vitamin D3
1000 mg (1250% NRV) vitamin C
Contribute to the normal function of the immune system^1,2
Contributes to the reduction of tiredness and fatigue²
Contributes to normal energy-yielding metabolism²
Contributes to the protection of cells from oxidative stress²
Easy-to-mix powder for convenient daily use

Nature’s Finest already has over 4,7 million customers from all over the world!

Net 150 g | for 30 days

How to Use

The recommended daily amount is 5 g (1 scoop). Mix in a glass of water and drink. We recommend weighing for accurate dosage.

Warnings:

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.
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

Vitamin D3 + Vitamin C – a food supplement with sweetener.

Ingredients: inulin, vitamin C (ascorbic acid), sweetener: erythritol, lemon flavour (3 %), stabilizer: cellulose, vitamin D3 (cholecalciferol).

Nutritional Value

	per dosage (5 g)	NRV %
Vitamin D	25 μg, 1000 IU	500 %
Vitamin C	1000 mg	1250 %

* NRV = Nutritional 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.

£14.09

£14.09 /piece

£13.39 /piece Save £1.41

Everything you need to know:

I have trouble taking capsules regularly. Is this product just as effective, and does it really dissolve well?

Of course! Our Vitamin D3+ Vitamin C in powder is an excellent alternative to capsules, as it allows for easy and precise dosing while offering effectiveness fully comparable to capsule forms.

This product is also of exceptional quality – it does not form clumps, leaves no residue, and mixes completely every time, meaning you can easily add it to water, juice, or any other beverage.

Thanks to its convenient use and excellent solubility, it is a product many of our customers choose for their daily routine.

I’m tired after busy and long days. Can this product support me with that?

Yes — it can provide the right support, as it contains vitamin C, which contributes to the reduction of tiredness and fatigue.

Can I take this product every day?

Yes. This product is designed for daily use. For the best experience, simply mix the recommended daily amount of 5 g (1 scoop) with water, stir well and drink. You can take it at any time of the day — choose the moment that fits best into your routine.

Does this product have a positive effect on my immune system?

Yes — this product can support your immune system, as both Vitamin D3 and Vitamin C contribute to the normal function of the immune system.

Our customers also confirm it works

4.9 / 5

5/5

As a teacher, I'm constantly exposed to germs. This combination has become my daily armour against whatever the kids bring to class!

Luke

5/5

The convenience of getting both my vitamin D and C in one supplement is perfect for my hectic schedule.

Jessica

5/5

I used to feel super tired every winter, but this combination helps keep my immune system working as it should.

Sophie

Are you feeling tired?

Provide your body with something extra

Our formula provides high-strength doses of Vitamin D3 and Vitamin C to support the normal function of the immune system¹^,² and to contribute to the reduction of tiredness and fatigue².

Do you want to support your immune system?²

Furthermore, vitamin C contributes to protection of cells from oxidative stress.

Are you often tired ‒ especially in winter?

Vitamin C contributes to the reduction of tiredness and fatigue and normal energy-yielding metabolism. These are two very important advantages of this product and yet another reason to include it in your daily routine and offer your body something more.

Do you wish to take care of your bones and teeth¹?

Vitamin D3 contributes to the maintenance of normal bones and teeth. It also contributes to normal absorption and utilisation of calcium and phosphorus¹.
Its clean and simple formulation makes it easy to include in your daily choices.
It’s a practical addition for anyone seeking a straightforward way to support their everyday routine.

Choose our Vitamin D3 + Vitamin C combination

High-potency immune support

1000 mg of vitamin C contributes to protection of cells from oxidative stress, while 1000 IU of vitamin D3 contributes to the normal function of immune system, especially in winter, when you might not be getting enough sun.

Designed for busy people

This product is created to be exceptionally easy to use, making it simple to include in your day no matter how full your schedule is.
Its quick, no-fuss format allows you to stay consistent without adjusting your routine.
As a result, it offers a convenient solution for anyone who values practicality and time efficiency.

Energizing daily ritual

The refreshing lemon flavour combined with fatigue-fighting vitamin C makes this a supplement you’ll actually look forward to taking.

Why powder form works better

Better absorption
Liquid supplements allow both vitamins to be absorbed quickly and efficiently.
Perfect nutrient combination
Taking both nutrients together ensures your immune system has support throughout the day. Vitamin C contributes to protection of cells from oxidative stress and vitamin D contributes to the normal function of the immune system.
Integrate it easily into your life
Integrate this supplement in your morning routine, post-workout drink, or drink it in the afternoon. It takes less than a minute.
Skip the pills
Skip juggling separate vitamin bottles. Our formula dissolves instantly and completely, making it quick and pleasant to use.
Consistency is key for immunity
The better it tastes and the easier it is to take, the more consistently you’ll use it.

Start your daily immune defence today

If you start taking this combination TODAY:

You get both essential immune vitamins in one serving
You contribute to the normal function of the immune system¹,²
You contribute to reduction of tiredness and fatigue¹,²
You protect your cells from oxidative stress²

If you delay this immune combination:

You continue relying on separate supplements
You delay the convenience of complete immune support
You are giving your immune system less support
You do not support the maintenance of normal bones and teeth
You will begin a delicious ritual that can offer you a lot, later

Made from quality ingredients

1. Vitamin D3

Vitamin D3 contributes to the normal function of the immune system, normal absorption of calcium and phosphorus, contributes to muscle function and has a role in the process of cell division .

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. Lemon flavour

The lemon flavour adds freshness and great taste.

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).

High-quality ingredients

Carefully selected, pure ingredients.
No unnecessary additives

Only what your body needs. Nothing more.
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.

Vitamin D3 + Vitamin C

4.94 / 5

Verified reviews (227)

2-in-1 formula for the normal function of the immune system1

500% of your daily requirement for vitamin D3
1250% of your daily requirement for vitamin C
Combined powder formula with no clumping or residue
Contributes to the normal function of the immune system¹,²
Contributes to the reduction of tiredness and fatigue²
Contributes to the protection of cells from oxidative stress²
Perfect for winter months and periods of high stress

Frequently asked questions from our users

How and why does it work?

Our Vitamin D3 + Vitamin C provides 1000 IU of Vitamin D3 and 1000 mg of Vitamin C. Both vitamins contribute to the normal function of the immune system^1,2,, while vitamin C adds protection of cells from oxidative stress.

Who is it for?

For anyone looking for support that contributes to the maintenance of normal bones and normal teeth¹, and to the normal function of the immune system¹^,2.

What flavour is it?

Nature’s Finest Vitamin D3 + Vitamin C tastes great like fresh lemonade.

What ingredients does it contain?

Inulin, vitamin C (ascorbic acid), sweetener: erythritol, lemon flavour (3 %), stabilizer: cellulose, vitamin D3 (cholecalciferol).

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.

Cindy

5 / 5

I started taking this in autumn and I’ve been feeling great the entire winter long and less fatigued as usual.

Vitamin D3 + Vitamin C

Food supplement with sweetener

4.94 / 5

227 Verified reviews

2-in-1 powerful formula for your immune system^1,2

1000 IU (500% NRV) vitamin D3
1000 mg (1250% NRV) vitamin C
Contribute to the normal function of the immune system^1,2
Contributes to the reduction of tiredness and fatigue²
Contributes to normal energy-yielding metabolism²
Contributes to the protection of cells from oxidative stress²
Easy-to-mix powder for convenient daily use

Nature’s Finest already has over 4,7 million customers from all over the world!

Net 150 g | for 30 days

How to Use

The recommended daily amount is 5 g (1 scoop). Mix in a glass of water and drink. We recommend weighing for accurate dosage.

Warnings:

Key Ingredients

Vitamin D3 + Vitamin C – a food supplement with sweetener.

Ingredients: inulin, vitamin C (ascorbic acid), sweetener: erythritol, lemon flavour (3 %), stabilizer: cellulose, vitamin D3 (cholecalciferol).

Nutritional Value

	per dosage (5 g)	NRV %
Vitamin D	25 μg, 1000 IU	500 %
Vitamin C	1000 mg	1250 %

* NRV = Nutritional 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.

£14.09

£14.09 /piece

£13.39 /piece Save £1.41

Customer Reviews

★ ★ ★ ★ ★

227

Verified reviews

4.9/5

★ ★ ★ ★ ★

Published 2 years ago by: Jurgita J.

Very good

★ ★ ★ ★ ★

Published 2 years ago by: Tamasne S.

Wery good

★ ★ ★ ★ ★

Published 3 years ago by: Anna K.

Great products. Excellent customer service. Highly recommended

★ ★ ★ ☆ ☆

Published 1 year ago by: iwona swiderska

Thank You ❤️

★ ★ ★ ★ ★

Published 1 year ago by: Akinsola Akinyemi

Very good and fantastic

Sort by: Highest rating

Jurgita J.

Verified reviewer

Very good

Tamasne S.

Verified reviewer

Wery good

Anna K.

Verified reviewer

Great products. Excellent customer service. Highly recommended

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.

Meta Bizjak Nutrition engineer
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.

Vitamin D3 + Vitamin C

2-in-1 powerful formula for your immune system1,2

Nature’s Finest already has over 4,7 million customers from all over the world!

Review

Everything you need to know:

Our customers also confirm it works

Are you feeling tired?

Provide your body with something extra

Our formula provides high-strength doses of Vitamin D3 and Vitamin C to support the normal function of the immune system¹,² and to contribute to the reduction of tiredness and fatigue².

Choose our Vitamin D3 + Vitamin C combination

Start your daily immune defence today

If you start taking this combination TODAY:

If you delay this immune combination:

1. Vitamin D3

2. Vitamin C

3. Lemon flavour

Traceability of our ingredients

High-quality ingredients

No unnecessary additives

Carefully verified purity and safety

60-day money-back guarantee

Vitamin D3 + Vitamin C

Frequently asked questions from our users

How and why does it work?

Who is it for?

What flavour is it?

What ingredients does it contain?

How long does shipping take?

What if I don't like it?

Vitamin D3 + Vitamin C

2-in-1 powerful formula for your immune system1,2

Nature’s Finest already has over 4,7 million customers from all over the world!

Customer Reviews

Why choose Nature's Finest?

Meet our development experts

#WeAreNature

Help & Information

2-in-1 powerful formula for your immune system^1,2

Our formula provides high-strength doses of Vitamin D3 and Vitamin C to support the normal function of the immune system¹^,² and to contribute to the reduction of tiredness and fatigue².

2-in-1 powerful formula for your immune system^1,2