---
product_id: 54441214
title: "Diet Fuel Ultralean Meal Replacement Shake | Vanilla | 1kg with 18 Servings | High Protein, Low Calorie Shake | Calorie-Controlled Diet Support for Weight Loss | 24 Vitamins & Minerals"
brand: "usn"
price: "$92.89"
currency: USD
in_stock: true
reviews_count: 8
category: "Usn"
url: https://www.desertcart.us/products/54441214-diet-fuel-ultralean-meal-replacement-shake-vanilla-1kg-with-18
store_origin: US
region: United States of America
---

# 24 essential vitamins & minerals 25g protein per serving Under 210 calories per shake Diet Fuel Ultralean Meal Replacement Shake | Vanilla | 1kg with 18 Servings | High Protein, Low Calorie Shake | Calorie-Controlled Diet Support for Weight Loss | 24 Vitamins & Minerals

**Brand:** usn
**Price:** $92.89
**Availability:** ✅ In Stock

## Summary

> 🥤 Sip Smart, Stay Lean — Your Ultimate Weight-Loss Wingman!

## Quick Answers

- **What is this?** Diet Fuel Ultralean Meal Replacement Shake | Vanilla | 1kg with 18 Servings | High Protein, Low Calorie Shake | Calorie-Controlled Diet Support for Weight Loss | 24 Vitamins & Minerals by usn
- **How much does it cost?** $92.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/54441214-diet-fuel-ultralean-meal-replacement-shake-vanilla-1kg-with-18)

## Best For

- usn enthusiasts

## Why This Product

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

## Key Features

- • **Satiety That Lasts:** Formulated to keep hunger at bay longer, reducing snacking and helping you stay on track.
- • **Smooth & Delicious:** Vanilla flavor that blends effortlessly—no chalky aftertaste, just creamy satisfaction every time.
- • **Power-Packed Protein:** Fuel your day with 25g of muscle-supporting protein per serving to stay full and focused.
- • **Vitamin-Infused Wellness:** Loaded with 24 essential vitamins and minerals to keep your body balanced and energized.
- • **Calorie-Controlled Confidence:** At just under 210 calories, enjoy a guilt-free meal replacement that fits your weight-loss goals.

## Overview

USN Diet Fuel Ultralean is a premium vanilla-flavored meal replacement shake designed for professionals aiming to lose weight without sacrificing nutrition or taste. Each 55g serving delivers 25g of high-quality protein, under 210 calories, and a potent blend of 24 vitamins and minerals. Its smooth texture and appetite-curbing formula make it an ideal, convenient breakfast or meal substitute that supports calorie control and muscle maintenance, backed by science-driven sports nutrition expertise.

## Description

Product Description USN Diet Fuel Ultralean Meal Replacement - The ideal meal replacement to help you reach your weight-loss goals. Use this great-tasting Diet Fuel Meal Replacement Shake Powder to help you reach the weight you’ve always dreamed of. Coming in at under 210 calories per serving, you can replace a meal with our shakes, while still getting plenty of the protein, that your body needs. On top of that, our shakes are packed with 24 essential vitamins and minerals. Perfect for safe and healthy weight loss. Packed with fibre and protein, our meal replacement shakes will leave you feeling full, reducing the need to snack between meals or over-eat when you have your next meal. You can also use it as a drink between meals, to help reduce the urge to snack or fend off sweet cravings. It couldn’t be simpler to use: simply add two scoops to 250–300ml of cold water and shake well - no fuss, no preparation. Your meal replacement is ready right away, so you can get on with your day. At USN we use current, up-to-date, peer-reviewed nutritional research throughout the development of our products and continue to employ the latest manufacturing protocols. We want to help you reach your goals with science-driven nutrition. These premium, high-protein meal replacement shakes will support you on your weight-loss journey, and extra boost to help you maximise the results of your efforts. Ingredients Protein Blend (Whey protein concentrate (MILK), SOY protein isolate, MILK protein isolate, whey protein hydrolysate (MILK), whey protein isolate (MILK)), maltodextrin, soy bean oil powder (refined soy bean oil, glucose syrup, milk proteins, stabiliser (sodium triphosphate), anti-caking agent (silicon dioxide)), natural flavour, inulin, high amylose maize starch, thickeners (guar gum, cellulose gum, xanthan gum), tripotassium citrate, milk minerals, natural flavouring, sunflower oil powder (high oleic sunflower oil, glucose syrup, modified starch (starch sodium octenyl succinate), anti-caking agent (silicon dioxide)), sodium chloride, sweetener (sucralose), colorant (beta-carotene), emulsifier (sunflower lecithin), Vitamins, Mineral Blend (Magnesium oxide, Ascorbic acid, Ferrous fumarate, Zinc citrate, D-alpha-tocopheryl acetate, Nicotinamide, Manganese bisglycinate, Calcium D-pantothenate, Retinyl acetate, copper bisglycinate, Cyanocobalamin, D-biotin, Cholecalciterol, Pyridoxine HCI, Riboflavin, Phylloquinone, Thiamine HCI, Chromium picolinate, Potassium iodate, Folic acid, Sodium selenite), Tolerase L (pH-stable Lactase) P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Directions Add 2 scoops (55g) to 250ml-300ml of cold water. Mix thoroughly in a blender or a shaker for about 30 seconds. Have 1-2 servings as meal replacements daily. Safety Warning IMPORTANT NOTICE: Please consult your physician first (especially if you have a medical condition / taking medication). Do not use if you are pregnant, lactating or under the age of 18. Remember that an adequate state of hydration must be maintained when using this product. Do not exceed the recommended daily intake. Box Contains Diet Fuel Ultralean (1000g) Vanilla Cream Manufacturer Contact Information USN (UK) LTD Seven House, High Street, Longbridge, Birmingham, B31 2UQ GB: info@usn.co.uk. USN SUPPLEMENTS LTD Commercial House, Millbank Business Park, Lucan, Dublin, K78 X5W8 See more

Review: Finally! A shake that actually tastes amazing and works. - I’ve been through dozens of different brands, but this is hands down the best-tasting meal replacement I’ve ever tried. Usually, you have to choose between "good macros" or "actually drinkable," but this managed to hit both. I’m genuinely impressed. The Taste & Mixability: The flavor is incredible—it’s rich, smooth, and doesn't have any of that weird, bitter aftertaste you usually get with "diet" products. But the biggest win for me is the texture. I just use a standard shaker bottle, and it mixes perfectly every single time. No annoying chalky clumps, no grit, just a perfectly smooth, creamy shake. It honestly feels more like a dessert than a nutritional supplement. How it feels: It’s surprisingly filling. I’ve been using it to replace my lunch during the work week, and unlike other shakes that leave me reaching for snacks an hour later, this actually keeps me satisfied until dinner. It’s thick enough to feel like a proper meal, which makes a huge difference mentally when you're trying to stay on track. Why I love it: • Best Taste Ever: Genuinely look forward to drinking it. • Perfect Consistency: No blender required; it’s smooth just from a shaker. • Zero Bloat: Usually, these things make me feel heavy, but this is really easy on the stomach. Verdict: If you’re on the fence because you’ve had "cardboard" shakes in the past, give this a go. It’s worth every penny for the flavor alone, and the fact that it actually kills my hunger is the icing on the cake. I won't be switching to any other brand after this!
Review: Perfect Lunch Replacement for Consistent Weight Loss! - I am now on my third order of the USN Diet Fuel Ultralean Vanilla Meal Replacement Shake, and it has been a game-changer for my diet and weight loss goals. I use this shake religiously as my lunchtime meal replacement, and it works perfectly. • Keeps Me Full: The high protein content—25g per serving—and added vitamins genuinely make me feel full for longer. This has eliminated my afternoon snacking and greatly aided my consistent weight loss. • Great Taste: The Vanilla flavour is delicious and makes it easy to stick to. It’s simply prepared by adding 2 scoops to cold water. • Nutritionally Sound: It's a convenient, low-calorie way to get my essential vitamins and nutrients. • Convenient & Versatile: This 1kg powdered drink mix is quick to prepare and can even be made up as a snack between meals to curb sweet cravings. If you are looking for a reliable, tasty, and effective meal replacement to help support your weight control and weight loss journey, I highly recommend the USN Diet Fuel Ultralean. It’s definitely helped me see consistent results!

## Features

- USN HIGH PROTEIN SHAKE POWDER: Use Diet Fuel Meal Replacement Shakes to help you reach your weight-loss goals. Perfect support for a low-calorie diet - a quick & easy way to get what your body needs, without the calories. Packed with 24 Vitamins & Minerals.
- YOUR NEW MORNING ROUTINE: Get your day off to the best possible start with these fantastic, and delicious, USN Meal Replacement Shakes. You don’t need to go without breakfast to help you lose weight - one quick shake and you are ready to take on the day!
- FEEL FULL FOR LONGER: USN’s meal replacement powder has been specially formulated by a dedicated team to ensure you feel full for longer, reducing the need to snack or over-eat and supporting a reduced calorie diet - to help you reach your weight goals.
- HIGH PROTEIN MEAL REPLACEMENT: Protein is absolutely vital if you are looking to lose weight. When we take protein on board, it triggers our satiety hormones, which make us feel full. USN meal replacement shakes have 25g of protein per serving.
- ULTIMATE SPORTS NUTRITION: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout. Science-driven nutrition so we can achieve together.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0013GG58Q |
| ASIN  | B0013GG58Q |
| Age Range Description | Adult |
| Allergen Information | Contains: Crustacean, Eggs, Fish, Gluten, Milk, Soy, Sulphites |
| Benefits | Muscle Support, Nutritional Support, Weight Loss |
| Best Sellers Rank | 748 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 10 in Diet Shakes |
| Brand Name | USN |
| Container Type | Tub |
| Country of Origin | Belgium |
| Country of origin  | Belgium |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,314) |
| Customer reviews | 4.4 4.4 out of 5 stars (2,314) |
| Diet Type | Vegetarian |
| Each Unit Count | 1 |
| Flavour | Vanilla |
| Is discontinued by manufacturer  | No |
| Item Form | Powder |
| Item Package Weight | 1.18 Kilograms |
| Item Type Name | HEALTH_PERSONAL_CARE |
| Item Volume | 5.51 Litres |
| Item Weight | 1 Kilograms |
| Item model number  | UN107 |
| Liquid Contents Description | Concentrate |
| Manufacturer | USN UK Ltd |
| Manufacturer  | USN UK Ltd |
| Manufacturer Contact Information | USN (UK) LTD Seven House, High Street, Longbridge, Birmingham, B31 2UQ GB: info@usn.co.uk. USN SUPPLEMENTS LTD Commercial House, Millbank Business Park, Lucan, Dublin, K78 X5W8 |
| Model Number | UN107 |
| Number of Items | 1 |
| Part Number | UN107 |
| Product Dimensions  | 15 x 15 x 15 cm; 1 kg |
| Protein | 46 g |
| Unit Count | 1000.0 gram |
| Vitamins And Minerals | 1.5 g |

## Product Details

- **Brand:** USN
- **Flavour:** Vanilla
- **Item weight:** 1 Kilograms
- **Protein:** 46 g
- **Vitamins and minerals:** 1.5 g

## Images

![Diet Fuel Ultralean Meal Replacement Shake | Vanilla | 1kg with 18 Servings | High Protein, Low Calorie Shake | Calorie-Controlled Diet Support for Weight Loss | 24 Vitamins & Minerals - Image 1](https://m.media-amazon.com/images/I/71dqIo2fvpL.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Questions & Answers

**Q: What is USN Diet Fuel Ultralean used for?**
A: USN Diet Fuel Ultralean is a high-protein meal replacement shake designed to support weight loss and weight management as part of a calorie-controlled diet and active lifestyle.

**Q: Can USN Diet Fuel help me feel fuller for longer?**
A: Yes. Diet Fuel Ultralean contains 25g protein per serving to help support satiety and reduce the urge to snack between meals during a calorie-controlled diet.

**Q: Is USN Diet Fuel a meal replacement or a protein shake?**
A: Diet Fuel Ultralean is a meal replacement shake with protein, carbohydrates, fibre, plus 24 vitamins and minerals to support balanced nutrition and weight management goals.

**Q: How much protein is in USN Diet Fuel Ultralean?**
A: Each serving of USN Diet Fuel Ultralean provides 25g of high-quality protein to support muscle maintenance and daily protein intake during weight management.

**Q: When should I use USN Diet Fuel Ultralean?**
A: Use Diet Fuel Ultralean to replace breakfast, lunch or dinner as part of a calorie-controlled diet, or enjoy between meals for convenient daily nutrition support.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Finally! A shake that actually tastes amazing and works.
*by S***F on 10 March 2026*

I’ve been through dozens of different brands, but this is hands down the best-tasting meal replacement I’ve ever tried. Usually, you have to choose between "good macros" or "actually drinkable," but this managed to hit both. I’m genuinely impressed. The Taste & Mixability: The flavor is incredible—it’s rich, smooth, and doesn't have any of that weird, bitter aftertaste you usually get with "diet" products. But the biggest win for me is the texture. I just use a standard shaker bottle, and it mixes perfectly every single time. No annoying chalky clumps, no grit, just a perfectly smooth, creamy shake. It honestly feels more like a dessert than a nutritional supplement. How it feels: It’s surprisingly filling. I’ve been using it to replace my lunch during the work week, and unlike other shakes that leave me reaching for snacks an hour later, this actually keeps me satisfied until dinner. It’s thick enough to feel like a proper meal, which makes a huge difference mentally when you're trying to stay on track. Why I love it: • Best Taste Ever: Genuinely look forward to drinking it. • Perfect Consistency: No blender required; it’s smooth just from a shaker. • Zero Bloat: Usually, these things make me feel heavy, but this is really easy on the stomach. Verdict: If you’re on the fence because you’ve had "cardboard" shakes in the past, give this a go. It’s worth every penny for the flavor alone, and the fact that it actually kills my hunger is the icing on the cake. I won't be switching to any other brand after this!

### ⭐⭐⭐⭐⭐ Perfect Lunch Replacement for Consistent Weight Loss!
*by R***E on 7 December 2025*

I am now on my third order of the USN Diet Fuel Ultralean Vanilla Meal Replacement Shake, and it has been a game-changer for my diet and weight loss goals. I use this shake religiously as my lunchtime meal replacement, and it works perfectly. • Keeps Me Full: The high protein content—25g per serving—and added vitamins genuinely make me feel full for longer. This has eliminated my afternoon snacking and greatly aided my consistent weight loss. • Great Taste: The Vanilla flavour is delicious and makes it easy to stick to. It’s simply prepared by adding 2 scoops to cold water. • Nutritionally Sound: It's a convenient, low-calorie way to get my essential vitamins and nutrients. • Convenient & Versatile: This 1kg powdered drink mix is quick to prepare and can even be made up as a snack between meals to curb sweet cravings. If you are looking for a reliable, tasty, and effective meal replacement to help support your weight control and weight loss journey, I highly recommend the USN Diet Fuel Ultralean. It’s definitely helped me see consistent results!

### ⭐⭐⭐⭐⭐ My go-to shake and the best tasting I’ve tried
*by A***Y on 12 January 2026*

This has become my go-to shake. I’ve tried quite a few meal replacement and protein shakes over the last year, and this is easily the best tasting one I’ve found. I’ve been using it consistently for over 8 months now. I feel full after having it, and it’s fitted really well into my routine alongside regular exercise. I’ve lost over 3 stone during that time, and this has helped me stay consistent and make healthier choices overall. I’ve also found it helps with recovery after gym sessions. I usually mix it with ice, which gives it a really good consistency and keeps it nice and cold, exactly how I like it. It blends well and doesn’t end up thick or gritty. I’ve tried a few other flavours in the range too, but the vanilla is my favourite. It tastes much more natural than a lot of vanilla shakes on the market, which can be overly sweet or artificial. The only small downside is that the scoop can be a bit tricky to find when first opening a new tub, so I tend to keep one from the previous container. Other than that, I can’t fault it and will continue using it.

## Frequently Bought Together

- USN Diet Fuel Ultralean Meal Replacement Shake Powder, Vanilla Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-13*