Best High Calorie Nutrition Bars of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
For those who need an extra boost of energy, high calorie nutrition bars could be the answer. These bars are packed with nutrients and calories to help stabilise blood sugar levels and provide sustained energy throughout the day. They come in a variety of flavours and are perfect for athletes, hikers, or anyone in need of a quick and convenient snack. With the right balance of protein, carbohydrates and healthy fats, high calorie nutrition bars can provide a healthy and tasty alternative to other sugary snacks.
At a Glance: Our Top Picks
Top 6 High Calorie Nutrition Bars
PhD Nutrition Smart Plant Bar Vanilla Fudge
The PhD Smart Plant Bar offers a convenient and tasty option for on-the-go snacking. With its super soft protein core and crunchy caramel and protein crispies, you can enjoy a satisfying texture. Each bar is topped with smooth chocolate, allowing you to indulge guilt-free while keeping your macros in check. With 20g of high-quality plant protein and less than 1g of sugar, this bar supports your weight loss journey by providing a protein boost when you need it most.
OTE Anytime Bars - Energy Nutrition Snacks
OTE Anytime Bars are designed to enhance your athletic performance with a delightful variety of flavours, including Chocolate Orange and Banana. Packed with over 35g of carbohydrates, these bars provide essential energy that helps you power through your workouts. Made from 100% natural ingredients, they ensure you receive the purest form of fuel without any artificial additives. With a box of 16, you'll have a convenient supply of tasty snacks to keep your energy levels high during training and competitions.
FitnesSHOCK Banana Split High Protein Bars
FitnesSHOCK Protein Bars provide a delightful banana split flavour in a convenient snack. Each bar contains a substantial 20 grams of protein, aiding in your muscle recovery and growth, making it ideal for athletes and active individuals. With only 4 grams of carbs and under 5 grams of fat, you can indulge without the guilt. Moreover, these bars have no added sugar, allowing you to satisfy your sweet cravings while maintaining your healthy eating plan.
PhD Nutrition Smart Mini Protein Bar, Low Calorie
The PhD Smart Protein Bar is a convenient and tasty snack, perfect for those on the go. With a soft whey protein core and a crunchy texture from caramel and protein crispies, you will enjoy every bite. Each bar is topped with smooth chocolate, allowing you to indulge guilt-free while keeping your dietary goals in mind. With 10g of high-quality whey protein and only 1.3g of sugar, this bar is an ideal choice for pre or post-workout support, helping you achieve your fitness objectives.
PhD Nutrition Smart Protein Bar - Chocolate Mocha
The PhD Smart Protein Bar is a convenient and delicious snack designed for those on the go. With a soft whey protein core and a crunchy texture from caramel and protein crispies, it satisfies your cravings while being easy to eat. Each bar is topped with a smooth chocolate coating, making it a guilt-free treat that fits your dietary needs. Delivering 20g of high-quality whey protein and less than 3g of sugar, it’s perfect for pre- or post-workout snacking, helping you achieve your fitness goals.
Lexi's Plant-Based Protein Crispy Bar - Blueberry & Vanilla
Lexi's Protein Crispy Bar is a delightful snack packed with 10g of plant-based protein and 7.7g of fibre, helping you feel fuller for longer. With only 150 calories, you can indulge your sweet cravings without guilt. The bar features the delicious flavours of juicy blueberries and a vanilla drizzle, offering a satisfying treat that’s crispy, crunchy, and chewy. Plus, it's free from gluten, dairy, and nuts, making it a safe and healthy choice for various dietary needs.
During our high calorie nutrition bar research, we found 87 high calorie nutrition bar products and shortlisted 6 quality products. We collected and analyzed 12,410 customer reviews through our big data system to write the high calorie nutrition bars list. We found that most customers choose high calorie nutrition bars with an average price of £18.71.
The high calorie nutrition bars are available for purchase. We have researched hundreds of brands and picked the top brands of high calorie nutrition bars, including PhD, OTE, FitnesSHOCK, Lexi's.

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."