







From the brand







Package Dimensions : 3.7 x 3.66 x 3.62 inches; 2.82 ounces
Date First Available : April 30, 2025
Manufacturer : Prelude
ASIN : B0F2515YJ4
Best Sellers Rank: #48,818 in Health & Household (See Top 100 in Health & Household) #192 in Dietary Fiber Nutritional Supplements
Customer Reviews: 4.5 4.5 out of 5 stars 115 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Gut & Digestive Health – Daily prebiotic fiber supplement powder for women and men with 5 fibers to nourish gut bacteria, support digestion, reduce bloating, and improve regularity.
Soluble + Insoluble Fiber – Soluble fiber and insoluble fiber blend for smooth digestion, balanced gut health, and steady energy; clean psyllium husk alternative for daily fiber needs.
Feel Fuller, Longer – Sugar free fiber supplement for women and men helps control appetite, reduce cravings, and support weight management; ideal daily fiber for digestive health.
Versatile & Easy to Use – Unflavored prebiotic fiber dissolves fast in water, coffee, smoothies, or oatmeal; daily fiber supplement convenient for home, office, travel, or the gym.
Premium Fiber Formula – High fiber powder with acacia fiber, resistant potato starch, chicory root inulin, green banana resistant starch & oat beta glucan; natural prebiotic fiber supplement without fillers.
8 reviews for Prebiotic Fiber Supplement for Women & Men – 6g Prebiotic Fiber Powder – Daily Blend for Gut Health, Bloating, Regular Digestion & Energy – Soluble & Insoluble, Sugar Free, Unflavored, 30 Servings
Add a review
Original price was: $34.99.$27.59Current price is: $27.59.

Dan –
Better than expected. Super smooth. Big win for me.
I’ve been using this fiber powder for a little while and I really like it. I got the strawberry kiwi flavor and it tastes way better than I thought it would. It mixes super easily, no weird texture, and it’s not too sweet or fake-tasting. The fiber dissolves well, which is a big plus.Yeah, it’s a little pricey, but I feel better knowing the ingredients are good. Other fiber can sometimes be grainy or taste weird too and I needed something that I actually don’t mind drinking so I can stick to it.I’ve been feeling less tired during the day, and my stomach just feels better overall. Hard to explain, but it feels like things are working the way they should. Big win for me.
Brittany Wilkins 💗 –
A Staple In My Diet!
After trying several fiber supplements, this one stands out as the best. The ingredients are clean, natural, and free of fillers or strange additives — just five powerful sources of fiber that truly support gut health.It mixes effortlessly into smoothies, water, juice, and even soups and yogurt without any gritty texture or weird aftertaste. Since adding it to my routine, I’ve noticed less bloating, better regularity, improved digestion, and a real boost in my overall balance and energy.It’s gentle on the stomach, flavorless, and easy to incorporate into daily meals — exactly what I was looking for. Core Fiber 5 lives up to the hype and has become a staple in my daily routine. I highly recommend it to anyone looking for a high-quality, effective prebiotic fiber. I’ll definitely be buying it again!
Amazon Customer –
Tastes great
I’ve tried a handful of fiber supplements over the years, and this one has been one of the easiest to stick with. While I’m usually skeptical of flavored powders, this one is pretty good. Its light, not overly sweet, and it mixes way smoother than I expected. No gritty texture, no clumps, and it doesn’t feel heavy when you drink it.My digestion feels more regular, the bloating I usually get after big meals calmed down a lot, and I’ve felt more “even” energy throughout the day. It also does help you feel fuller so I usually take it in the mornings.It is a bit on the pricier side, but for something I’m actually willing to take every day (and that’s actually working), I don’t really mind it. The combination of soluble and insoluble fiber seems to make a real difference compared to the single-source powders I’ve used before.Overall, a really solid prebiotic fiber supplement. Easy to mix, effective, gentle on the stomach, and genuinely helpful for daily digestive support.
Kevin Flora –
Works Amazingly Well!
This stuff really works! I am so happy to find something so easy to use that keeps me regular and gets rid of bloating. Also love that it is flavorless so I can mix it into any beverage. I cannot believe how much better I feel.
E & Y –
Easy way to add more fiber to my day
I’ve been looking for an easy way to get more fiber in my diet, and Core Fiber’s 5-fiber blend has been a great addition. It mixes in smoothly with my morning smoothie (and even in just water, it’s not bad), and I’ve noticed I feel less sluggish during the day. My digestion seems more regular, and I don’t feel as bloated after meals. I also like that it has a mix of different fibers instead of just one type. Overall, it’s been simple to work into my daily routine and has made a noticeable difference for me
Dustin M –
A+ Highly Recommended!
This product is genuinely excellent. I’ve been using Core Fiber for about two or three months, and it’s really led to a significant improvement in my overall gastrointestinal health. What I love most about Core Fiber is how easily it dissolves into smoothies. I don’t even notice I’ve added it, and yet the outcomes are really clear. It makes me feel more full, and I’ve honestly noticed in the past few months I’ve lost almost 10 pounds. I really think it’s because I just feel fuller and less likely to overeat, and I owe that to Core Fiber. So you’ve got me. I’m a customer for life.
Amazon Customer –
Perfect and easy fiber supplement
Works perfectly! Dissolves really easy in a glass of water. Also works great with your daily protein shake or smoothie, has no taste and blends perfectly. Highly recommend.
Ian –
Great quality and taste!
Great quality, first of all you can see it when it dissolves in water, but then you can feel it in several days, helps digestion, you can really feel lightness and energy. It has a really nice, subtle taste, so you can add it to other drinks as well. Recommend!