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⏳ Snack smart, fast smarter — fuel your focus and never miss a beat!
Prolon Fasting Bars are a premium, science-backed snack designed specifically for intermittent fasting enthusiasts. Each bar delivers 5g of plant-based protein and 7g of fiber from nutrient-dense nuts, supporting sustained energy and satiety without breaking your fast. Keto-friendly, gluten-free, dairy-free, and made with non-GMO ingredients, this variety pack offers three delicious flavors to keep your fasting routine flavorful and convenient.






































| ASIN | B0BZSY877J |
| Age Range Description | Adult |
| Best Sellers Rank | #16,402 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #39 in Nut Bars |
| Brand | Prolon |
| Brand Name | Prolon |
| Coin Variety 1 | Chocolate Chip |
| Container Type | Box |
| Customer Reviews | 4.3 out of 5 stars 341 Reviews |
| Diet Type | Gluten Free, Keto, Plant Based |
| Flavor | Variety |
| Item Package Weight | 0.54 kg |
| Manufacturer | L-Nutra |
| Material Features | Gluten Free, Vegetarian |
| Net Content Count | 12 count |
| Net Content Weight | 1.1 pounds, 160 g |
| Number of Items | 12 |
| Number of Pieces | 12 |
| Package Size Name | 12 Count |
| Package Type Name | Box |
| Product Benefits | Complete Nutrition,High Protein,Energy Boost |
| Protein | 5 g |
| Set Name | Variety Pack |
| Size | 12 Count (Pack of 1) |
| Snack Food Bar Type | Protein |
| Specialty | Dairy-free |
| Total Eaches | 12 |
| Type | Protein |
| UPC | 850040360608 |
| Unit Count | 16.8 Ounce |
B**H
Best intermittent fasting bars ever!
These bars are expensive, but worth it! They are very satisfying, taste too good to be true, and the texture is smooth. In a nutshell they are beyond amazing. 🤩 Just one bad gives sustained energy on fasting days. With a low sugar content they work for those who fast. They are extremely filling, too!
F**Y
Delicious, Trustworthy, and Convenient Fasting Bars
I tried the variety pack and have really enjoyed all three flavors: Nuts & Honey, Chocolate Chip and Coconut Macadamia Nut (my favorite). These bars are such an easy and convenient way to extend my intermittent fasting, while still getting healthy ingredients into my diet. I love that Prolon has really invested in trustworthy research of the benefits of the fasting-mimicking diet and intermittent fasting, to develop top-quality products that I trust are good for me. These bars are super tasty and satisfying and a great way to start the day without a lot of fillers and unknown ingredients you find in some bars. I’ve never seen any other bars that can be incorporated into a fasting regimen either. Will definitely purchase again.
K**O
Snack bars I'll actually eat!
I was pleasantly surprised by how tasty these bars are. If you know me, I have a history of stocking up on healthy protein or snack bars, never eating them, then letting them breeze by their expiration dates and having to throw them out. I haven't been able (or willing) to get on the intermittent fasting train but I've always been intrigued by the concept (except for the part where I have to go hours without food, which is the WHOLE concept). I still don't know how much I buy into the idea but what I will say is that I love these bars. I find myself reaching for them for a hearty and satisfying burst of energy, clean ingredients, and satiety. Out of the variety pack, I love them all but in this order: Coconut Macadamia, Nuts + Honey, Chocolate Chip. I throw them in my bag as a pre or post workout snack or for my breakfast. I will say I don't follow the recommended 15-hour fasting rules but honestly I will keep buying these regardless.
B**R
Tasty
Pretty tasty, not sure if you stay in fasting state but I sure hope so
L**K
Good tasting. My go to in the morning to extend my fast.
These are great tasting bars first and foremost. I bought the variety to try, because I really the bars that come in the reset fasting kits, which I do 1-2x per week. These bars are a bit different, but great tasting as well. I ended up re-ordering the chocolate chip and the coconut macadamia in full boxes. I eat these bars in the morning, and they keep me full for an extended period. I don't like doing water fasts. They make me feel terrible to be honest. Fast mimicking is easy for me, and I love it. I usually cut myself off food by 8pm. I will drink water and herbal tea. Upon waking in the morning, I drink black coffee and water. I have one of these around 9AM and I am good until lunch at 12PM. For lunch and dinner, I stick to a reduced carb diet most of the time, but I allow myself anything I want 1 to 2x per week. I am losing weight, have energy, and I am never bloated anymore. Worth a try if you want to lose some unwanted weight and feel better.
A**R
Terrible taste
These bars are very soft. Like as if they have been blended and smashes back together. I got the variety pack and every flavor was gross. Wish I could return these because nobody likes the flavor that has tried them! They aren’t a healthy fasting option either. I like the Jay Shetty podcast and he recommended this product, great show but terrible recommendation!
V**F
Wholesome and healing
These ProLon Fast Bars have been a game-changer for my gut health! I’ve been eating one for breakfast every day, and I’ve noticed a significant improvement in my overall gastrointestinal health. The natural, wholesome ingredients like honey and macadamia nuts make these bars stand out from others that use fake sweeteners. While they may not win any gourmet taste awards, the flavor is pleasant enough, especially considering their health benefits.
M**M
Don't fall for the hype!
I'm a certified nutrition coach, so I wanted to try these. Plus I regularly water fasting between 14-30 days straight. These are just OKAY. They are not Keto for one with 5 grams of sugar and 13 grams of net carbs, these will knock you out of ketosis. The taste are gummy and lacks flavor other than a sugar taste. Definitely not worth the price. There are other bars on the market much better. If you are fasting you are better off eating some olives or and avocado than these bars.
Trustpilot
5 days ago
2 days ago