Fiber plays a key role in maintaining your overall health and digestive health. Aside from helping you digest food properly and keeping your gut healthy, it has health benefits like lowering cholesterol, preventing constipation and even helping with weight loss. Fiber also plays a role in regulating blood sugar levels. But despite its importance, Most people don’t get enough fiber from their diet.
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addition Foods rich in fiber Such as lentils and chia seeds can help bring some soluble and insoluble fiber into your system, but you can also consider taking supplements to increase your fiber intake and keep your digestive system in top condition. However, the number of supplements on the market can make choosing the right supplement to get enough fiber difficult.
Our CNET experts have years of experience researching vitamins and supplements. We’ve used this knowledge to identify the best fiber supplements on the market. Explore our top picks for the best dietary fiber supplements to help boost your fiber intake.
What is the best fiber supplement?
There is a lot of variety in fiber supplements, from food sources – where they occur naturally – to sugar-free and even organic options. If you’re looking for a fiber supplement on a budget, consider Benefiber Original. It is very affordable and dissolves easily in hot and cold liquids.
Before we dive deeper into our curated list of the six best fiber supplements, there’s one thing you need to know. There are two types of fiber in nutritional supplements: Soluble and insoluble fiber. Soluble fiber dissolves in water and helps lower blood sugar and cholesterol levels. Insoluble fiber is the type that helps move food through the digestive system. So it’s not just about eating more fiber, it’s also about consuming the right kind of fiber-rich foods. Okay, now you’re ready.
Best fiber supplements of 2025
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Benefiber Original is wheat dextrin, a by-product of wheat milling. It takes our place as the best budget fiber supplement thanks to its low cost and versatility. This lower price means it contains less fiber per serving than other brands.
Benefiber contains only soluble fiber, making it a great option for people who want to use fiber supplements to manage blood sugar. Soluble fiber dissolves in water and is beneficial for diarrhea and constipation, while insoluble fiber helps treat constipation. This fiber supplement is tasteless and dissolves easily in cold and hot liquids. You can also add it to food while cooking; It will not thicken or add flavor.
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Vitafusion Fiber Well Fit Gummies is one of the best gummy fiber supplements you can get for kids or people who have trouble swallowing pills. These gummies are sugar-free and come in natural raspberry, peach, and strawberry flavors. User reviews are raving About the taste and how easy it is to chew these gummies. They also praise the effectiveness of this product.
With each serving, you also get essential B vitamins, folic acid, and biotin. Many fiber supplements do not contain other vitamins or minerals.
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If you’re looking for a fiber supplement, consider Spectrum Essentials Organic Ground Chia Seeds. These ground chia seeds are a whole food form of fibre. They are slightly less versatile than other fiber supplements, as they have a nutty taste and do not dissolve in drinks. So you’ll always know chia seeds are there, but if you like the taste, they can give your water, smoothies or food a fiber boost.
Chia seeds are full of fiber and provide a great way to aid digestion. As a bonus, chia seeds also contain omega-3 fatty acids, which contain… It has been linked to reduced risk to Heart attacks or Strokes.
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Metamucil Sugar Free Fiber Powder is a four-in-one natural psyllium husk powder fiber supplement intended to aid digestive health, control appetite, and lower cholesterol and sugar levels. Research review Supports claims Psyllium husk has benefits for the heart, blood vessels, cholesterol and blood sugar.
You can choose from unflavored, berry or orange powders. Note that reviews indicate that Strong orange flavour It can be polarizing – you either like it or you don’t. Other users say that Metamucil is smooth and easier to drink than other brands, allowing you to add it to water, juice, or smoothies without a problem.
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If you’re looking for a budget-friendly fiber supplement that includes both soluble and insoluble fiber, consider Psyllium Husk Powder from NOW Supplements. It is a good addition to your diet if you suffer from constipation. You can bake it into food or add it to your daily smoothie.
This fiber supplement has the highest concentration of fiber on the list, with seven grams of dietary fiber, one gram of insoluble fiber, and six grams of soluble fiber. You also get 8% of the recommended daily value of iron for the day.
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Garden of Life Organic Fiber Supplement contains no added sugars. It’s made with five natural ingredients, including acacia fibre, organic orange peel, organic baobab fruit, apple peel and cranberry seeds. Each serving provides 5 grams of prebiotic fiber. You can choose from unflavored or citrus powder. If you want to mix the powder into drinks or food, we recommend the unflavored version.
This fiber supplement includes both soluble and insoluble fiber, making it one of the best fiber supplements for constipation. Garden of Life is a Certified Grade B company. This means that all of the products they produce comply with social and environmental standards.
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When choosing the best fiber supplements for this list, we took into account price, type of fiber supplement, and ingredients. Additionally, because the dietary supplement industry is not well regulated by the US Food and Drug Administration (FDA), we have relied on additional certifications that ensure the quality and purity of the products. We have not tested these fiber supplements in-house.
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There are many fiber supplements on the market, and they all vary in price, type, and form. As you begin your search, keep these key factors in mind:
- Fiber type: There are two types of fiber: soluble and insoluble. Soluble fiber benefits cholesterol and blood sugar. In comparison, insoluble fiber is what helps treat constipation and regularize digestion.
- Dosage: According to the Mayo Clinic, Women should aim for 21 to 25 grams of fiber daily, while men should eat 30 to 38 grams. If you’re not getting enough fiber, you can consider nutritional supplements. You should start with a lower fiber content and slowly increase it over time. This way, you can avoid side effects such as bloating or excess gas.
- What’s in the supplement?: Some fiber supplements may contain additional sweeteners or gluten, while others may include other vitamins and minerals. Always keep your dietary preferences and restrictions in mind.
- formFiber supplements come in several forms, the most common of which are powder or gummies. Whole dietary fiber sources, such as chia seeds, are also available. Note that chia seeds will not dissolve like powder, and they have a distinct taste.
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What are the benefits of taking fiber supplements?
How often should you take fiber supplements?
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