---
product_id: 498498245
title: "Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support* - Made in The UK - Nu U Nutrition"
brand: "nu u nutrition"
price: "VT4662"
currency: VUV
in_stock: true
reviews_count: 8
category: "Nu U Nutrition"
url: https://www.desertcart.vu/products/498498245-vitamin-d3-4000-iu-400-vegetarian-tablets-13-month-supply
store_origin: VU
region: Vanuatu
---

# 4000 IU - 4x strength dose 100% vegetarian & allergen-free 400 tablets - 13+ months supply Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support* - Made in The UK - Nu U Nutrition

**Brand:** nu u nutrition
**Price:** VT4662
**Availability:** ✅ In Stock

## Summary

> ☀️ Unlock your year-round glow with the ultimate Vitamin D3 power boost!

## Quick Answers

- **What is this?** Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support* - Made in The UK - Nu U Nutrition by nu u nutrition
- **How much does it cost?** VT4662 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/498498245-vitamin-d3-4000-iu-400-vegetarian-tablets-13-month-supply)

## Best For

- nu u nutrition enthusiasts

## Why This Product

- Trusted nu u nutrition brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sunshine in a Tablet:** Mimics natural Vitamin D3 your skin produces, perfect for maintaining optimal levels during low-sunlight months and boosting overall vitality.
- • **Power-Packed Daily Dose:** One small tablet delivers a potent 4000 IU (100 mcg) Vitamin D3, quadruple the standard strength for maximum immune and bone support.
- • **Clean & Conscious Formula:** Vegetarian-friendly, non-GMO, and free from gluten, lactose, and soy, crafted to fit your mindful lifestyle.
- • **UK-Made Quality Assurance:** Produced under strict GMP standards in the UK, ensuring premium quality and compliance with rigorous EU health regulations.
- • **Year-Long Wellness Supply:** With 400 easy-to-swallow tablets, enjoy over 13 months of uninterrupted Vitamin D3 supplementation—no monthly reorders needed.

## Overview

Nu U Nutrition’s Vitamin D3 4000 IU offers a high-strength, vegetarian-friendly supplement with 400 tablets providing over 13 months of immune, bone, and muscle support. Made in the UK under GMP standards, this potent 100 mcg dose per tablet ensures convenient daily supplementation, especially during low sunlight seasons, free from common allergens and GMO ingredients.

## Description

Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support* - Made in The UK - Nu U Nutrition : desertcart.co.uk: Health & Personal Care

Review: Vitamin D tablets - Excellent value for money. Easy to swallow.
Review: Highly recommend - Good value easy to swallow

## Features

- X4 STRENGTH D3 - Our extra high strength Vitamin D3 4000 IU supplement is one of the most powerful formulations available. Each of the small, 7mm tablets are packed with 100 mcg of Vitamin D which is around FOUR TIMES the strength of those Vitamin D products that are 1000 IU and you only have to take one tablet! Easy to swallow, for a quick and convenient way to supplement your Vitamin D levels on a daily basis.
- 13+ MONTH'S SUPPLY - We are one of the only brands to offer you more than a full year’s supply of vegetarian Vitamin D3 tablets. Each of our bottles contains 400 servings to last you more than 13 months. You won’t have to worry about running out each month or reordering with our incredible value for money tablets. Our tablets are suitable for vegetarians and contain no GMO ingredients or allergens such as gluten, lactose or soy.
- BOTTLED SUNSHINE - Vitamin D is an essential nutrient for our overall health and wellbeing. We know that exposure to sunlight is the most common source of obtaining it but it can be difficult to maintain levels, particularly in the colder months, which is why the NHS recommends supplementing during Autumn and Winter. Our Vitamin D3 from cholecalciferol is the same form of Vit D your skin cells produce naturally when exposed to sun, making it
- FOR IMMUNE & BONE HEALTH - Vitamin D is a wonderful nutrient that helps to keep our immune system defences in balance. It contributes to the normal function of the immune system as well as to the maintenance of normal bones, teeth, muscle function and the normal absorption/utilisation of calcium and phosphorus* which are all important to maintaining our overall health and wellbeing. Our Vitamin D is made in the UK to current GMP standards and meets stringent UK/EU legislation and testing.
- THE NU U NUTRITION STORY - TRUSTED SUPPLIER OF NUTRITIONAL SUPPLEMENTS - Starting as a family business, we’ve expanded to offer a diverse range of high quality supplements designed to support different lifestyles. Our mission is to make wellness simple, with premium ingredients that cater to your daily nutritional needs, whether for general health or targeted goals.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BFF8LYR2 |
| ASIN  | B0BFF8LYR2 |
| Age Range Description | Adult |
| Best Sellers Rank | 2,907 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 43 in Vitamin D |
| Brand | Nu U Nutrition |
| Country of origin | United Kingdom |
| Country of origin  | United Kingdom |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,884) |
| Customer reviews | 4.6 4.6 out of 5 stars (1,884) |
| Date First Available | 19 Dec. 2022 |
| Format | Tablet |
| Item model number  | NUU-D34000T-UK |
| Manufacturer  | Nu U Nutrition |
| Product Dimensions  | 5 x 5 x 8 cm; 52.5 g |
| Serving Recommendation | One Tablet |
| Serving Size | 1 pills, 1 pills |
| Units | 400.0 Count |
| Weight | 80 g |

## Product Details

- **Brand:** Nu U Nutrition
- **Diet type:** Vegetarian
- **Flavour:** Unflavoured
- **Item form:** Tablet
- **Primary supplement type:** Vitamin D3

## Images

![Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support* - Made in The UK - Nu U Nutrition - Image 1](https://m.media-amazon.com/images/I/71QShJHrusL.jpg)

## Questions & Answers

**Q: My question  about the source of their vit  D was for the manufacturer as there is nothing on the label! which there should be.e.g. source fish ? was**
A: The source is lichen.

**Q: whats the source of vit d3 ?**
A: The source is lichen.

**Q: Are the bottles BPA free?**
A: I can confirm our bottles are BPA free.

**Q: Why is the tablet now powder before it was gel?**
A: The manufacturer would need to answer why they changed the formulation. I have only had the powdered tablets. 
However, they are very small and only have a 7 mm in diameter, much smaller than other tablets that you might take.
See comparison with a UK five pence piece in picture.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Vitamin D tablets
*by L***R on 19 January 2026*

Excellent value for money. Easy to swallow.

### ⭐⭐⭐⭐⭐ Highly recommend
*by M***R on 29 December 2025*

Good value easy to swallow

### ⭐⭐⭐⭐ very good buy
*by D***E on 2 January 2026*

not very nice taste

## Frequently Bought Together

- Vitamin D3 4000 IU - 400 Vegetarian Tablets - 13 Month Supply - High Strength 100 mcg Vitamin D - Immune System, Bone and Muscle Function Support - Made in The UK - Nu U Nutrition
- Omega 3 Fish Oil 2000mg, EPA 660mg DHA 440mg per Daily Serving. 120 Capsules (2 Months Supply). Supports Heart, Brain Function and Eye Health. 2 Capsules Per Serving
- Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate, Citrate & Malate 90 Vegan Capsules, Triple High Absorption 384mg Elemental, UK Made (Packaging Design May Vary)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-12*