Protein Bars with Low Sugar: Top Choice & How to Pick

Protein bars can be a quick and healthy snack, but many of them are packed with sugar. If you’re trying to stay fit, lose weight, or just eat cleaner, low-sugar options are a smarter choice.

In this guide, we’ll share our top pick for the best protein bar with low sugar and show you how to choose one that fits your goals.

[Related] Best Protein Bars for Weight Loss: How to Choose & Top Pick

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Quick Summary

• Why Choose Low Sugar Protein Bars: Low sugar protein bars are great for maintaining energy and supporting muscle goals without causing blood sugar spikes. They fit well in healthy diets and weight management plans.
• Clean Nutrition Focus: The best protein bars should balance high-quality protein, healthy fats, and minimal sugar — without artificial ingredients or fillers.
• Benefits of Low Sugar Bars: These bars help curb hunger, provide clean energy, and support muscle recovery with fewer added sugars, making them ideal for active lifestyles.
• How to Choose the Best Bar: Look for bars with quality protein sources, low added sugars, natural ingredients, and good fiber content to keep you fuller longer.
• Healthy Ingredients to Look For: Prefer bars with organic and non-GMO ingredients, natural sweeteners like monk fruit, and free from common allergens like soy, dairy, and eggs.
• Our Top Pick: The Perfect Amino Bar by BodyHealth: This bar is formulated with 8-9 grams of high-quality protein (fortified with a complete Essential Amino Acid blend) and only 4 grams of sugar (sweetened naturally with monk fruit) to support superior muscle recovery, sustained energy, and hunger control, all while being a fully vegan bar, gluten-free, and non-GMO.

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Benefits of Low Sugar Protein Bars

Steady Energy, No Crash.

Sugary bars give you a quick burst of energy, but it never lasts. Soon after, you often experience a "sugar crash," leaving you feeling tired and sluggish. Low-sugar bars, however, provide slow-burning energy from protein and healthy fats. This keeps your blood sugar stable, fueling you steadily for hours without the dreaded crash.

Better for Weight Management

When you eat a lot of sugar, your body stores the extra as fat. Low-sugar bars have fewer empty calories, making them a smarter choice for a filling snack. The high-protein bars also help you feel full and satisfied, which can curb cravings and prevent you from overeating later.

They Actually Support Your Fitness Goals.

The main reason to eat a protein bar is to get more protein! Too much sugar can work against this. By choosing a low-sugar option, you're giving your muscles the clean fuel they need to recover and grow after a workout, without the inflammatory effects of excess sugar.

Improved Overall Health.

Diets high in added sugar are linked to a variety of health issues. By consistently choosing low-sugar snacks, you support long-term wellness, including better heart health, healthier skin, and more stable moods. It’s a simple swap with a powerful cumulative effect.

They Keep You Full & Satisfied.

Sugar digests quickly, leaving you hungry soon after you eat. Protein and fiber (common in good low-sugar bars) digest slowly. This combination helps you feel full longer, making a low-sugar protein bar a truly satisfying snack that can power you through a busy morning or afternoon. It also makes the bar an excellent tool for curbing hunger and managing cravings, which is critical for weight loss and avoiding unnecessary snacking.

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Our Top Pick for the Best Low Sugar Protein Bar

Perfect Amino Bar by BodyHealth

The Perfect Amino Bar by BodyHealth is a carefully crafted protein bar designed to provide clean, sustained energy with minimal sugar. Formulated with organic pea protein fortified by their patented PERFECT AMINO® blend, the bar delivers 8 grams of high-quality protein with only 4 grams of sugar and 7 net carbs per serving.

It's made from whole-food ingredients that are non-GMO, dairy-free, soy-free, egg-free, and gluten-free, making it suitable for a variety of dietary needs. The bar includes a mix of healthy fats such as organic virgin coconut oil and MCT oil, which help support brain function and metabolism.

Unlike other protein bars, it contains natural prebiotic fibers like chicory root and tapioca fiber to promote digestion. Available in three dessert-inspired flavors — Brownie, Blondie, and Mocha Chip — the Perfect Amino Bar offers a delicious alternative to sugary snack bars without compromising on taste or nutrition. It provides 200–210 calories per bar, making it a convenient snack or meal supplement for athletes and health-conscious individuals.

Key Ingredients of Perfect Amino Bar by BodyHealth

• Almonds (Almond Butter & Almond Fiber): Provide protein, healthy monounsaturated fats, fiber, and antioxidants; support satiety and add crunch.
• Pea Protein Isolate: A high-quality, plant-based protein free from gluten, dairy, and soy, delivering essential amino acids for muscle repair.
• PERFECT AMINO® Blend: A proprietary mix of the 8 essential amino acids optimized for maximum protein synthesis and muscle building.
• Chicory Root Fiber: A natural prebiotic fiber that supports digestion, regulates hunger hormones, and helps reduce cravings.
• Tapioca Fiber: Adds bulk and fiber to promote fullness without raising blood sugar.
• Organic Virgin Coconut Oil & MCT Oil: Healthy fats that provide sustainable energy, support brain health, and boost metabolism.
• Semi-Sweet Chocolate Chips: Add balanced sweetness and flavor without excessive sugar.
• Cocoa Butter: A source of healthy fat that enhances texture and taste.
• Organic Fruit & Veggie Blend: Includes apple, kale, broccoli, spinach, carrot, parsley, beet, green cabbage, blueberry, raspberry, strawberry, and tomato to supply antioxidants, vitamins, and minerals.
• Cinnamon: A superfood ingredient with antioxidant and anti-inflammatory properties.
• Sea Salt: Supplies electrolytes and trace minerals vital for hydration and nerve function.
• Sunflower Tocopherols: Natural antioxidants that protect the body from oxidative stress.
• Pure Monk Fruit Extract: A natural, zero-calorie sweetener that provides sweetness without sugar or carbs.

Key Benefits of the Perfect Amino Bar

• High-Quality Protein: Supports muscle growth, repair, and maintenance with a complete amino acid profile.
• Truly Low-Sugar and Low-Carb: With only 4g of sugar and 7g of net carbs, the bar is ideal for those managing blood sugar, following a ketogenic, or general low-carb diet.
• Sustained Energy: Powered by MCT oil and healthy fats that fuel the body and brain without crashes.
• Allergen Friendly: Free from dairy, soy, gluten, and eggs, suitable for many dietary restrictions.
• Delicious Flavors: Offers a satisfying taste with flavors inspired by desserts, making healthy snacking enjoyable.
• Digestive Comfort (No Sugar Alcohols): By relying on monk fruit and avoiding high-glycemic sugar alcohols like erythritol and maltitol, the bar significantly reduces the likelihood of gas, bloating, and digestive discomfort.

Available Flavors

The Perfect Amino Bar is available in three distinct, dessert-like flavors:

• Brownie: Rich chocolate flavor balanced with nutty undertones from almonds, providing a classic, indulgent taste.
• Blondie: A sweeter, vanilla-like flavor with hints of nutty cashews and gentle cocoa for a well-rounded treat.
• Mocha Chip: Combines the smooth flavor of coffee with semi-sweet chocolate chips and nuts, delivering an energizing and tasty experience.

Nutritional Facts of Perfect Amino Bar by BodyHealth

Nutrition Facts	Per Bar (44g)	% Daily Value
Calories	210
Total Fat	15 g	19%
Saturated Fat	3.5 g	18%
Trans Fat	0 g
Cholesterol	0 mg	0%
Sodium	75 mg	3%
Total Carbohydrate	16 g	6%
Dietary Fiber	9 g	32%
Total Sugars	4 g
Includes 2g Added Sugars	2 g	4%
Sugar Alcohol	0 g
Protein	8 g
Iron	2 mg	10%
Calcium	64 mg	4%
Potassium	207 mg	4%
Vitamin D	0 mcg	0%
Net Carbs	7 g

Customer Reviews

very tasty, good texture

“these bars are very tasty, I like all the flavors, but the blondie is my favorite one. they make a great snack on the go or before working out, highly recommend them.”

-Jordan N.

 

amazing

“Love these bars - taste so great and has everything I need in a bar. I eat them for breakfast everyday. Highly recommend.”

-Russ

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How to Choose the Best Protein Bars with Low Sugar

Decode the Sugar Content

This is your top priority. A "low-sugar" claim on the front of the package must be verified on the Nutrition Facts label.

• Check "Added Sugars": This is the most important number. Aim for less than 5 grams of added sugar per bar. Added sugars include sweeteners like cane sugar, corn syrup, brown rice syrup, and dextrose, which provide empty calories.
• Understand Total Sugars: Bars sweetened with dates or other whole fruits may have a higher "Total Sugars" number. This is less of a concern than added sugars, as it comes with fiber and nutrients, but it's still something to be aware of.
• Watch for Sugar Alcohols: To keep sugar counts low, many brands use sugar alcohols like erythritol, maltitol, and xylitol. These can cause digestive discomfort, including bloating and gas, in about 30% of people. If you have a sensitive stomach, look for bars that use natural sweeteners like monk fruit or stevia, or sweetened primarily with whole foods.

Prioritize High-Quality Protein

The whole point of a protein bar is the protein. Don't settle for a candy bar in disguise.

• Aim for at least 8-15 Grams of Protein: For a satisfying snack that supports muscle repair and keeps you full, look for a bar with a minimum of 8 grams of protein. If you're using it for post-workout fuel or have higher protein needs, aim for closer to 20 grams.
• Look for a Favorable Protein-to-Sugar Ratio: A simple and effective rule is to choose a bar that has at least twice as much protein as it does sugar. If you're wondering how much protein you need, a good range is 10-20 grams per bar. This is especially important for active individuals or those in a calorie deficit, as it helps preserve muscle mass while promoting satiety. Be wary of other bars that might skimp on protein, offering less protein than you need to feel satisfied and support your body's recovery.
• Choose Bioavailable Protein Sources: For efficient use by your body, whey protein is often considered the "gold standard" as it contains all nine essential amino acids and is highly bioavailable. Plant-based proteins like pea, rice, or hemp seeds are excellent for those avoiding dairy, while whey protein is a popular choice for others. For plant-based options, look for bars that use a blend of proteins, such as pea and brown rice protein, to ensure a complete amino acid profile.

Don't Overlook Fiber and Fats

A great protein bar provides balanced nutrition, not just protein.

• Look for Fiber: Fiber helps with satiety and digestive health. Aim for at least 3 grams of fiber per bar. However, be cautious with bars that have very high fiber content (e.g., 10g+), especially if you’re not used to high-fiber foods, as they can cause digestive discomfort.
• Seek Healthy Fats: Fats from sources like nuts, seeds, and nut butters provide sustained energy and help you feel full. They are a key component of a well-rounded bar.

Scrutinize the Ingredient List

If you can't pronounce an ingredient, it's worth a second look.

• Short and Recognizable Lists are Best: Opt for bars with a short list of whole food ingredients you recognize, such as nuts, seeds, egg whites, and dates. The best bars have ingredients you might find in your own kitchen.
• Be Wary of Long Lists with Additives: Avoid bars with long lists of artificial sweeteners, flavors, preservatives, and fillers like soy protein isolate.

Consider Your Dietary Needs & Taste

A bar can be perfectly healthy, but it's useless if it doesn't fit your lifestyle or taste good.

• Check for Certifications: If you have allergies or dietary preferences, look for certified labels like Gluten-Free, Vegan, Non-GMO, or Dairy-Free.
• Texture and Taste are Key: The best bar for you is one you'll actually enjoy eating. Texture varies widely—from chewy texture to dense, soft, and crispy. Don't be afraid to try a variety pack to discover what you like best.

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Best Low-Sugar Protein Powder Alternatives

If you prefer your protein in shake form, low-sugar protein powders are the next best option for clean, efficient nutrition.

These formulas deliver high-quality protein without the excess sugar or calories found in typical meal replacements, helping you recover faster, build lean muscle, and stay full longer.

Below, we’ve highlighted the best low-sugar protein powder alternatives that mix easily, taste great, and align with a clean-eating lifestyle — perfect for anyone focused on fitness, weight management, or simply avoiding hidden sugars.

1. Dymatize ISO 100

Dymatize ISO 100 is a hydrolyzed whey protein isolate powder designed for fast absorption and minimal lactose, sugar, and fat content. Each serving delivers about 25 g of protein, ≤1 g sugar, and is low in carbs, making it suitable for lean muscle building or cutting phases.

Its hydrolysis process breaks down protein into smaller chains for quicker digestion. The product is available in many flavors and is known for high purity and clean mixing. It is gluten-free and relatively easy on the stomach for many users who are sensitive to heavier protein powders.

Key Ingredients:

• Hydrolyzed whey protein isolate
• Whey Protein Isolate 
• Fat-reduced cocoa powder (in chocolate flavors)
• Natural and artificial flavorings
• Sucralose
• Potassium Chloride

Key Benefits:

• Fast absorption for quick muscle recovery
• High protein amount (25g per serving)
• Low in fats, carbohydrates, and sugars
• Suitable for lactose-intolerant individuals
• Gluten-free and mostly free of allergens
• Supports lean muscle building and workout performance

Flavor Options:

• Salted Caramel
• Dunkin’™ Glazed Donut
• Fruity Pebbles™
• Cocoa Pebbles™
• Pebbles™ Birthday Cake
• Gourmet Chocolate
• Gourmet Vanilla
• Cookies & Cream
• Chocolate Peanut Butter
• Fudge Brownie
• Strawberry
• Dunkin’™ Cappuccino
• Dunkin’™ Mocha Latte
• Cinnamon Cereal

Customer Reviews

Smooth and good for any occasion.

“So I have tried some of the different proteins on this site over time. While I do like some of the other ones, I do have to say that ISO 100 is probably one of the SMOOTHEST tasting and digesting proteins I have ever tried. I do like to take it between meals if I feel my stomach is starting to get "hungry" or "needing something".

Getting it to break for smoothness is not an issue either. It breaks up and mixes very easily. I can not recall a time there was any small chunks that did not break from the shaking and mixing of it.

If you are looking for something that is promised to taste good and break up easily, this is the protein to go to.”

-Dempsey

 

Solid overall

“I gave this 4 stars because it is a little pricey. Besides that its great. Mixes easy, tastes good, 0g fat and 1g carbs!”

-clay m.

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2. Isolation by Blackstone Labs

Blackstone Labs Isolation is a protein supplement that features 100% pure Whey Protein Isolate (WPI) as its sole protein source. Whey Isolate is the most refined form of whey protein, filtered to contain 90% or more protein by weight while virtually eliminating fats, carbohydrates, and lactose.

Each scoop packs 24 g of whey protein isolate and about 5.5 g of BCAAs. Sugar content is very low (approx 1 g per serving) with only about 2 g total carbs. Fat content is minimal as well, making it a lean protein source. It also emphasizes purity—no amino-spiking, and quick digestion.

Key Ingredients:

• Whey protein isolate
• Natural and artificial flavors
• Soy lecithin
• Sucralose
• Xanthan Gum
• Acesulfame potassium

Key Benefits:

• Uses 100% pure Whey Protein Isolate for maximum purity.
• Extremely low carbohydrate and virtually zero fat content.
• Provides a high dose of naturally occurring Branched-Chain Amino Acids (BCAAs).
• Rapidly absorbed for quick post-workout muscle repair.
• Aids in achieving daily protein macros without unwanted calories.
• Clean formula, no amino-spiking
• Good mixability, dissolves well without clumping

Flavor Options:

• Cinnamon Cereal
• Chocolate
• Vanilla

Customer Reviews

Delicious Chocolate Flavor

“I was looking for a protein powder to mix in with my morning oatmeal. Let me tell you, the Chocolate flavor of Isolation is delicious in oatmeal. I typically would put peanut butter and syrup in my oatmeal to enhance the flavor. Using 1 scoop of Isolation Chocolate made my oatmeal taste so good I didn't need anything else but just the isolation in it. I would highly recommend giving it a try. The mixability and taste in just water is a 10/10 as well.”

-Josh S.

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3. Farm Fed 100% Whey Protein Isolate by Axe & Sledge

Farm Fed is a premium protein powder focused on purity and digestibility. It uses 100% grass-fed whey protein isolate and is cold-processed, micro- and ultra-filtered to remove extra fat, carbs, and sugars.

Each serving delivers about 25 g of protein, with very low fat and carbs, making it a clean choice for recovery, muscle building, or keeping lean. It includes a digestive enzyme blend called DigeSEB® for better digestion and absorption. It’s non-GMO, antibiotic- & rBGH-free, and comes in many flavors, often naturally flavored with minimal artificial additives.

Key Ingredients:

• Whey Protein Isolate (100% Grass-Fed)
• Natural & Artificial Flavors
• Gum Blend (Gum Acacia, Guar Gum, Xanthan Gum)
• Salt
• Sucralose
• Sunflower Lecithin
• MCT Oil Powder (Medium Chain Triglycerides, Gum Acacia)
• DigeSEB® (Amylase, Protease I & II, Lactase, Lipase, Cellulase)

Key Benefits:

• Sourced from clean, 100% grass-fed whey isolate.
• Optimized digestion with the DigeSEB® enzyme blend.
• Extremely low in sugar, carbs, and fat for dieting phases.
• Offers a quick and easy way to increase daily protein intake
• Supports rapid lean muscle growth and recovery.
• Gluten-free and non-GMO
• Tastes great and mixes well

Flavor Options:

• S’mores
• Chocolate Milkshake
• Strawberry Milkshake
• Vanilla Milkshake
• Peanut Butter N’ Honey
• Marshmallow Milk
• Never Ending Chocolate
• Brown Sugar Cinnamon Toaster Pastry
• Sweet Cream Cold Brew

Customer Reviews

Best Tasting Whey

“The Chocolate Cookies & Cream flavor is probably one of the best tasting whey proteins I've had to date. I use it as coffee creamer with a little milk and also make protein oats with it. I would definitely recommend trying this protein powder out if you haven't!”

-Josh

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4. Huge Whey by Huge Supplements

Huge Whey by Huge Supplements is a high-quality whey protein formula designed for athletes and bodybuilders focused on muscle growth and recovery. It features a blend of whey protein concentrate and isolate, providing a balanced amino acid profile for muscle repair and growth.

For endurance athletes who need sustained energy, this blend can be highly beneficial. This formula also includes digestive enzymes—lactase and papain—which are intended to aid in digestion. It is gluten-free and offers easy mixability and multiple flavors to choose from.

Key Ingredients:

• Whey Protein Concentrate
• Whey Protein Isolate
• Natural & Artificial Flavors
• Xanthan Gum
• Sucralose
• Acesulfame Potassium
• Digestive Enzymes (such as Lactase and Papain)
• Salt

Key Benefits:

• High protein content for maximum muscle synthesis.
• Blend of concentrate and isolate for balanced absorption.
• Includes added digestive enzymes (Lactase and Papain).
• High level of naturally occurring EAAs and BCAAs.
• Designed to support post-training recovery effectively.
• Low sugar and fat, making it suitable for lean mass goals.

Flavor Options:

• Salted Caramel Peanut Butter
• Sugar Cinnamon Churros
• White Chocolate Raspberry
• Cinnamon Bun
• Chocolate Brownie
• Cookies & Cream
• Chocolate Peanut Butter
• Vanilla Milkshake
• Blueberry Muffin
• Strawberry Cheesecake

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What to Avoid in Protein Bars with Low Sugar

When choosing a protein bar that claims to be low in sugar, a quick glance at the nutrition label is not enough. Manufacturers often replace sugar with ingredients that can cause digestive issues, spike insulin, or simply offer no nutritional value.

To ensure your protein bar is truly a healthy alternative, look out for and minimize these ingredients:

Avoid Hidden Sugar Alcohols.

To make bars sweet without using sugar, many companies use sugar alcohols like maltitol, sorbitol, and xylitol. While they keep the "sugar" number low, they can cause digestive issues like bloating, gas, and stomach cramps for many people. Maltitol is especially known for these effects. If you see these high on the ingredient list, it's a red flag.

Avoid Artificial Sweeteners.

Just because a bar is "sugar-free" doesn't mean it's healthy. Watch out for artificial sweeteners like sucralose (Splenda), aspartame, and acesulfame potassium (Ace-K). These are chemical sweeteners that some people prefer to avoid in their whole-foods diet, and they can sometimes leave an unpleasant aftertaste.

Avoid Highly Processed Protein Isolates.

The quality of protein matters. A bar where the first ingredient is soy protein isolate or a long list of processed protein blends might be low in sugar, but it's also low in quality nutrition. Your body benefits more from protein that comes from whole food sources like nuts, seeds, and high-quality whey or pea protein.

Hidden Sugars

Even bars labeled “low sugar” might contain sweeteners under different names like corn syrup solids, cane juice, or brown rice syrup. Always look for “added sugar” in the nutrition facts to be sure.

Cheap Protein Sources

Avoid bars that use low-quality protein like collagen alone or “soy protein concentrate” as the main source. Look instead for whey isolate, milk protein isolate, or pea protein — they offer better amino acid balance and absorption.

Avoid Long Lists with Unpronounceable Ingredients.

A good rule of thumb is: if you can't pronounce an ingredient, you probably shouldn't be eating it. Long lists filled with preservatives, artificial flavors, and colors are a sign of a highly processed food product. The healthiest bars have short, simple ingredient lists made from real foods you recognize.

Avoid "Low Sugar" but High Carb Bars.

Sometimes, a bar will be low in sugar but still very high in total carbohydrates. This often comes from cheap fillers and refined flours. If your goal is stable energy or managing weight, a bar with over 25-30 grams of total carbs might not be the best choice, even if the sugar is low.

Avoid Unhealthy Fats.

Check the fat source and try to avoid bars that use cheap, inflammatory oils like soybean oil, palm oil, or hydrogenated oils. These fats offer no health benefits and can be harmful in large amounts. Healthy bars get their fats from natural sources like nuts, seeds, and coconut.

Hydrogenated Oils and Trans Fats

These are unhealthy fats often added to improve texture or shelf life. They can increase bad cholesterol and reduce heart health over time.

High-Calorie Fillers

Some bars pack in extra calories using cheap carbs or fats, which can defeat the purpose of a healthy, low-sugar snack.

Common Allergens and GMO Ingredients

Soy protein, non-organic soy lecithin, and dairy proteins like casein can be allergens or genetically modified. If sensitive or aiming for clean eating, look for allergen-free and non-GMO certified bars.

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FAQs: Protein Bars With Low Sugar

Q: How much sugar should a low-sugar protein bar have?

A: A good low-sugar bar usually has under 5 grams of sugar per serving. Anything above that can add unnecessary calories and reduce its health value.

Q: Are low-sugar protein bars good for daily use?

A: Yes, you can enjoy them daily as long as they fit within your calorie and protein goals. They’re especially useful as a quick snack or post-workout option, but it’s still best to get most of your protein from whole foods.

Q: Are protein bars with low sugar good for weight loss?

A: Yes, low sugar protein bars can support weight loss by reducing sugar intake and helping you feel full longer, which may reduce overeating.

Q: Are protein bars with low sugar suitable for diabetics?

A: Many low-sugar protein bars can be suitable for diabetics, but it is important to check the carb content and consult a healthcare provider.

Q: Can protein bars with low sugar replace meals?

A: Protein bars can be a convenient snack or meal replacement occasionally, but they shouldn't replace whole, balanced meals regularly.

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Final Thoughts

Low sugar protein bars offer a simple way to add protein without extra sweetness. They help you stay on track when eating clean or managing calories.

The best options keep ingredients short and focus on quality protein sources. Bars like the Perfect Amino Bar from BodyHealth stand out for clean formulation and balanced nutrition.

Always check the label for hidden sugars, cheap fillers, or unnecessary additives. The perfect bar should fuel your body and satisfy your taste buds without compromising your health goals.

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References

• Pang, M., Trier, C., Alexon, C., & Johnston, C. S. (2023). Daily ingestion of protein bars (with or without added fiber) increased energy intake and body fat mass after one week in healthy adults: A crossover trial. Journal of Functional Foods, 104, Article 105547.
• Luiking, Y. C., Deutz, N. E., Memelink, R. G., Verlaan, S., & Wolfe, R. R. (2014). Postprandial muscle protein synthesis is higher after a high whey protein, leucine-enriched supplement than after a dairy-like product in healthy older people: a randomized controlled trial. Nutrition journal, 13, 9.
• Duda-Seiman, C., Mititelu-Tartau, L., Biriescu, S., Almășan, A. L., Bitu, B. O., Bucur, A. I., Luca, A., Hoinoiu, B., & Hoinoiu, T. (2025). A Comprehensive Study on the Nutritional Profile and Shelf Life of a Custom-Formulated Protein Bar Versus a Market-Standard Product. Foods (Basel, Switzerland), 14(12), 2141.