Your path to a healthier immune system starts here


  • Healthy immune system, bones, teeth and muscle function
  • Backed by clinical trials
  • Over 80,000 people have used our Vitamin D

Why millions of customers trust us with their health

Did you know that a customer buys one of our products every 10 seconds?

Vitamin D3 and K2

Vitamin D3 enhances calcium absorption, crucial for bone health, while Vitamin K2 ensures that calcium is properly utilised, preventing it from accumulating in the arteries.

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£15.99
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Vitamin D3 & K2 and Magnesium

Unlock the essential duo for bone health, muscle function, and overall well-being with Vitamin D3 and K2 Vital alongside Magnesium. Vitamin D3 enhances calcium absorption, a crucial element for bone health, while Vitamin K2 ensures proper calcium utilisation, preventing accumulation in the arteries. In addition, Magnesium supports muscle function, nerve function, and energy production, establishing a formidable trio for overall well-being.

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£33.00 £43.97
save 25%

Vitamin D3 & K2 and Vitamin C

Combine the immune-boosting power of Vitamin D3 and K2 with the antioxidant strength of Vitamin C for a comprehensive approach to health. Vitamin D3 assists in calcium absorption and immunity, Vitamin K2 directs calcium to the bones, and Vitamin C boosts the immune system while protecting cells from oxidative stress. 

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£31.50 £41.97

Why people are taking these supplements

Why Nutravita over other brands?

Nutravita Other brands
Higher strength ingredients Less effective
Lower cost per day More expensive
Longer supply Don't last as long
Rated 5 stars on TrustPilot and over 150,000 product reviews Not as reputable

Mara Carroll

Extremely important vitamin for daily usage, used daily by my husband and I since 2019, our immune system is strong thanks to this vital vitamin and Vitamin C, not catching colds or flu like before! Bought for my mum & our children too! Exceptional!!

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Mrs Burl

I’ve been using this brand for a few years because they don’t use fillers/artificial ingredients and I’ve been very impressed with how well they’re working. I am vitamin D deficient and have to take it all year and everyday. I’m confident in this brand and with the added K2 which aids absorption of Vit D will hopefully increase its potency.

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Hannah Fox

Nutravita are my go to for supplements. I’m always happy with my purchases and this one is no different. The capsules are really easy to swallow, and great value for money.

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How should I take these supplements for optimal absorption?

It's best to take these supplements with a meal, particularly one that contains fat, as both vitamins are fat-soluble and will be better absorbed.

Are there any side effects associated with taking Vitamin D3 4000IU and Vitamin K2Vital®️ 100ug supplements?

These supplements are generally well-tolerated. However, like any supplement, some may experience side effects such as bloating or constipation. If this occurs, it's suggested to consult a healthcare provider.

What is magnesium, and why is it important for the body?

Magnesium is an essential mineral that plays a crucial role in over 300 biochemical reactions in the body. It contributes to muscle and nerve function, supports a healthy immune system, regulates blood sugar levels, and helps maintain normal blood pressure.

What are the benefits of taking a magnesium supplement?

Taking a magnesium supplement can offer several benefits, including supporting bone health, relieving muscle cramps and spasms, reducing anxiety and stress, improving sleep quality, and aiding in digestion.

How do I know if I need to take a magnesium supplement?

Common signs of magnesium deficiency include muscle cramps, fatigue, weakness, irritability, irregular heartbeat, and poor memory.

What is the source of magnesium in this supplement?

The magnesium in our supplement comes from Magnesium Citrate, a form of magnesium that is highly bioavailable and therefore, easily absorbed by your body.

How often should I take a magnesium supplement, and what's the recommended dosage?

For the best results, it's recommended to take two tablets daily, typically in the morning with your first meal. However, it's always best to consult your healthcare provider for personalised advice.

How can this vitamin C supplement benefit me?

This high-strength Vitamin C supplement offers a potent source of this vital nutrient, which contributes to maintaining the normal function of your immune system and supports normal energy-yielding metabolism. By incorporating it into your diet, you can ensure you're meeting your daily Vitamin C needs.

Why does this vitamin c supplement contain bioflavonoids and rosehip?

Bioflavonoids and rosehip are known to enhance the absorption of Vitamin C, ensuring that you’re getting the maximum benefit from each tablet. They're also powerful antioxidants that can provide additional support for your immune system.