Are you diving into intermittent fasting and wondering how to fuel your body right? It’s a popular way to eat, but sometimes, you might feel a little hungry between meals, or you just want a quick boost. That’s where protein shakes come in, but choosing the *right* one for intermittent fasting can be tricky. You want something that fits your fasting window, gives you energy, and helps you feel full, but the shelves are packed with choices!
Many people get confused about what ingredients to look for and which ones to avoid when they’re fasting. Will a shake break your fast? Does it have too many hidden sugars? These are common questions that can make picking a shake feel like a puzzle. But don’t worry, we’re here to help you solve it!
In this post, we’ll break down exactly what makes a protein shake a great choice for your intermittent fasting journey. We’ll explore the best ingredients, what to watch out for, and how to use them to support your goals. Get ready to discover how to pick a shake that will keep you feeling satisfied and energized!
Our Top 5 Protein Shake For Intermittent Fasting Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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Prolon Intermittent Fasting Drink Mix | 8.7/10 | Check Price |
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Prolon Fast Bars | 9.4/10 | Check Price |
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Premier Protein Shake | 9.2/10 | Check Price |
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Atkins Milk Chocolate Delight High Protein Shake | 8.9/10 | Check Price |
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Muscle Milk Pro Advanced Nutrition Protein Shake | 9.3/10 | Check Price |
Top 5 Protein Shake For Intermittent Fasting Detailed Reviews
1. Prolon Intermittent Fasting Drink Mix
Rating: 8.5/10
Meet the Prolon Intermittent Fasting Drink Mix, your new go-to for making intermittent fasting easier and tastier. This Vanilla flavored shake is designed to complement your fasting routine, offering a delicious way to break your fast or enjoy a nutrient-rich boost. It’s packed with good stuff like plant-based protein, vitamins, minerals, and superfoods, making it a great choice for anyone looking to support their health goals.
What We Like:
- Delicious and decadent vanilla flavor that’s low in sugar.
- Packed with 21 essential vitamins and minerals, plus healthy fats and antioxidants.
- Convenient single-serving packets are perfect for busy lifestyles.
- Supports your fasting goals without triggering your body’s nutrient sensing system.
- Made with plant-based, vegan, keto, gluten-free, and dairy-free ingredients.
- Scientifically backed formula designed to nourish your body and promote longevity.
What Could Be Improved:
- The 12-count box provides 24 days of shakes, which might require more frequent repurchasing for consistent users.
- While vanilla is a classic flavor, a wider variety of flavor options could appeal to more people.
The Prolon Intermittent Fasting Drink Mix offers a convenient and nutritious way to enhance your fasting journey. It’s a smart choice for those seeking a science-backed, plant-powered option to support their wellness.
2. Prolon Fast Bars
Rating: 9.2/10
The Prolon Fast Bars Variety Pack is a game-changer for anyone practicing intermittent fasting. This pack includes 12 bars in delicious flavors like Chocolate Chip, Coconut Macadamia, and Nuts & Honey. They are keto-friendly, gluten-free, dairy-free, and packed with plant-based protein. The best part? They’re designed specifically to help you continue your fast without interruption, making healthy eating easier and more enjoyable.
What We Like:
- These bars are crafted to not break your fast, which is fantastic for staying on track with your intermittent fasting goals.
- They offer a good source of plant-based protein, with 5-6 grams per bar, helping to keep you feeling full.
- The flavors are delicious! The Chocolate Delight bar, with its chocolate chips and sea salt, is a real treat.
- The bars provide sustained energy without a sugar crash, thanks to their low carb and low sugar content.
- They are made with premium, non-GMO ingredients and are packed with vitamins, fiber, minerals, Omega-3s, and antioxidants.
- The science-backed formula supports longevity and healthy aging pathways, which is a big plus.
What Could Be Improved:
- While the variety pack is great, some users might find the specific flavor combinations not to their personal taste.
- The price point might be a consideration for those on a tight budget.
Overall, Prolon Fast Bars are a smart and tasty way to support your intermittent fasting journey. They offer a convenient solution for staying nourished and energized while keeping your fast intact.
3. Premier Protein Shake
Rating: 8.5/10
Craving a delicious way to fuel your body? The Premier Protein Shake in Chocolate is your answer. This ready-to-drink shake packs a powerful punch with 30 grams of protein to keep you feeling full and satisfied. It’s also incredibly tasty, even winning a Gold Medal for its superior flavor!
What We Like:
- Amazing chocolate taste that’s smooth and creamy.
- Packed with 30g of protein to help you feel full and recover after workouts.
- Contains 24 vitamins and minerals, including Vitamin C, Vitamin E, and Zinc, to help support your immune system.
- Good for your bones with 50% of your daily calcium and 30% of Vitamin D.
- It’s a guilt-free treat with only 1g of sugar, 160 calories, and low fat.
- Great for various diets like Keto and Bariatric, and it’s gluten-free and Kosher.
- There are 11 other yummy flavors to try too!
What Could Be Improved:
- Some might find the 11.5 fl oz size a bit small for a full meal replacement.
- While it has many nutrients, it’s still a processed drink, so whole foods are always best.
This Premier Protein Shake is a convenient and tasty option for anyone looking for a protein boost. It’s a smart choice for snacks or post-exercise recovery.
4. Atkins Milk Chocolate Delight High Protein Shake
Rating: 8.6/10
Craving a chocolate treat that actually helps you reach your health goals? The Atkins Milk Chocolate Delight High Protein Shake is here to satisfy that craving. This 12-count pack delivers a rich chocolate flavor with a powerful punch of protein, making it a smart choice for anyone looking to manage their carb intake and stay energized.
What We Like:
- Fuel your body with 15g of protein. This helps build muscles and keeps you feeling full.
- Fits perfectly into your keto or low-carb diet. It only has 2g of net carbs per serving.
- Enjoy a sweet treat with just 1g of sugar. It’s low glycemic and made without artificial growth hormones.
- Super convenient for busy days. Grab one for a quick breakfast, post-workout boost, or snack.
- Delicious chocolate taste! Other flavors like Vanilla and Mocha Latte are also available.
- A helpful option for those managing their diet while using GLP-1 medications.
What Could Be Improved:
- Some users might find the chocolate flavor a bit too sweet for their personal preference.
- While convenient, the packaging creates waste, which could be a concern for eco-conscious consumers.
This shake offers a tasty and convenient way to boost your protein intake and stay on track with your low-carb lifestyle. It’s a delicious solution for busy individuals seeking healthy options.
5. Muscle Milk Pro Advanced Nutrition Protein Shake
Rating: 9.2/10
Looking for a powerful protein boost? The Muscle Milk Pro Advanced Nutrition Protein Shake in Knockout Chocolate is here to help! This 12-pack of 11.16 Fl Oz bottles offers a delicious way to fuel your body. It’s packed with 32g of protein, making it a fantastic choice for muscle growth and recovery after your workouts. Plus, with only 1g of sugar, you can enjoy it guilt-free. It also provides 16 essential vitamins and minerals, plus 5g of fiber, to keep you feeling full and energized.
What We Like:
- High protein content (32g) supports muscle building and recovery.
- Low sugar (1g) makes it a healthier option.
- Contains 16 vitamins and minerals for overall health.
- Good source of fiber (5g) helps with feeling full.
- Tastes great on its own or mixed into other foods for extra protein.
- Convenient for on-the-go snacking or post-workout fuel.
- Provides both fast and slow-releasing proteins for sustained energy and muscle support.
What Could Be Improved:
- Packaging may vary, which could be a minor inconvenience for some.
This Muscle Milk Pro Advanced Nutrition Protein Shake is a winning choice for anyone serious about their fitness goals or needing a satisfying, protein-rich snack. It’s a tasty and effective way to get the nutrients your body needs.
Choosing the Best Protein Shake for Your Intermittent Fasting Journey
Intermittent fasting (IF) is a popular way to manage your eating schedule. It involves cycling between periods of eating and voluntary fasting. Many people use protein shakes to help them through fasting periods. They can keep you full and provide essential nutrients. But not all protein shakes are created equal for IF. This guide will help you pick the right one.
Key Features to Look For
When you’re shopping for a protein shake to use during intermittent fasting, keep these important features in mind.
- Low Carbohydrate and Sugar Content: This is super important. High carbs or sugar can break your fast. Look for shakes with very few grams of carbs and ideally zero added sugar.
- High Protein Content: You want a shake that gives you a good dose of protein. Protein helps you feel full and supports muscle health. Aim for at least 20-30 grams of protein per serving.
- Healthy Fats: Some shakes include healthy fats like MCT oil or avocado oil. These fats can help with satiety and provide energy, which is great for fasting.
- Good Source of Fiber: Fiber also helps you feel full longer. Look for shakes that have a few grams of fiber.
- Minimal Artificial Ingredients: Try to find shakes with natural sweeteners and flavors. Fewer artificial things are generally better for your body.
Important Materials (Protein Sources)
The type of protein in your shake matters. Different protein sources have different benefits.
- Whey Protein: This is a popular choice. It digests quickly and contains all the essential amino acids. It’s great for post-workout but can sometimes cause digestive issues for some.
- Casein Protein: This protein digests slowly. It releases amino acids over a longer period, which can help you stay full for hours. It’s a good option for longer fasting windows.
- Plant-Based Proteins: If you’re vegetarian, vegan, or have dairy sensitivities, plant-based options are excellent. Common sources include pea, rice, hemp, and soy. Look for blends that combine different plant proteins to get a full amino acid profile.
- Egg White Protein: This is another good option for those who can’t have dairy. It digests at a moderate pace and is a complete protein source.
Factors That Improve or Reduce Quality
A few things can make a protein shake better or worse for your intermittent fasting.
- Sweeteners: Natural sweeteners like stevia or monk fruit are generally preferred over artificial sweeteners like sucralose. Some people find artificial sweeteners affect their hunger.
- Additives: Shakes with fewer fillers, gums, and artificial colors are usually higher quality. These can sometimes cause digestive upset.
- Digestibility: Some protein powders are easier on the stomach than others. If you have a sensitive stomach, consider hydrolyzed whey protein or plant-based options.
- Taste and Mixability: While not directly related to fasting benefits, a shake you enjoy drinking is more likely to be used consistently. Good taste and how well it mixes with liquid are important for user experience.
User Experience and Use Cases
How people use protein shakes during IF can vary.
- Breaking a Fast: Some people use a protein shake as their first meal after a fasting period. This helps them get nutrients without a huge meal.
- During a Long Fast: A shake can be a lifesaver when hunger strikes during a longer fast. It provides nutrients and helps manage cravings.
- Pre-Workout During Fasting: If you exercise while fasting, a protein shake can provide the amino acids your muscles need.
- Convenience: Protein shakes are quick and easy. They are perfect for busy mornings or when you need something on the go.
Choosing the right protein shake can make your intermittent fasting journey smoother and more effective. Focus on low carbs, high protein, and quality ingredients.
Frequently Asked Questions (FAQ)
Q: Can I drink any protein shake during intermittent fasting?
A: No, it’s best to choose shakes with very low carbohydrates and no added sugar. These can break your fast.
Q: What is the best type of protein for intermittent fasting?
A: Whey or casein protein are popular. Plant-based proteins are also good. The key is that it’s low in carbs and sugar.
Q: Will protein shakes break my fast?
A: A shake with zero or very few calories, carbs, and sugar generally won’t break your fast. However, shakes with added sugars or a lot of calories will.
Q: How much protein should I have in a shake?
A: Aim for at least 20-30 grams of protein per serving. This helps with feeling full.
Q: Are artificial sweeteners okay in protein shakes during IF?
A: Some people find that artificial sweeteners can still trigger an insulin response or increase hunger. Natural sweeteners are often a better choice.
Q: Can I have a protein shake with milk?
A: Milk contains carbohydrates and calories, which can break your fast. It’s usually better to mix your shake with water.
Q: What if I feel hungry during my fast?
A: A protein shake can help manage hunger. It provides nutrients and helps you feel satisfied.
Q: Are plant-based protein shakes suitable for intermittent fasting?
A: Yes, as long as they are low in carbs and sugar. Look for blends that offer a complete amino acid profile.
Q: When is the best time to drink a protein shake during IF?
A: You can drink it when you feel hungry during your fasting window or as a meal to break your fast.
Q: How can I tell if a protein shake is good quality?
A: Look for shakes with minimal artificial ingredients, healthy fats, and fiber. Check the ingredient list for transparency.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.




