7 of the Best Fiber Supplements, According to a Dietitian

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process.
High fiber diet is linked to improved heart health.
Food sources high in fiber include:
- peas
- Lentils.
- Black There are beans..
- lima There are beans. are a vegetable.
- The artichokes are large.
- There are some fruit items that are called raspberries.
The Academy of Nutrition and Dietetics recommends that women aim for 25 grams of fiber per day and men consume 38 grams. However, only 5% of the population meet those numbers (1,
If you want to increase the amount of fiber in your diet, you can use fiber supplements that are available in many forms.
People use fiber supplements to prevent constipation, reduce cholesterol, and manage weight, blood glucose levels, and diverticulosis (1).
- Best inulin fiber supplement: Fiber Choice Fruity Bites
- Best methylcellulose fiber supplement: Citrucel SmartFiber Caplets
- Best psyllium fiber supplement: Metamucil Fiber Gummies
- Best wheat dextrin fiber supplement: Benefiber Powder
- Best organic fiber supplement: Garden of Life Organic Fiber Supplement
- Best functional food fiber supplement: Spectrum Essentials Organic Ground Chia Seeds
- Best fiber supplement with antioxidants: Thorne Research FiberMend
How we choose the best fiber supplements
- Type of fiber. Different types of dietary fiber can be found in the foods we eat. The same is true for dietary fiber supplements. Our product list includes supplements containing a variety of fiber types, which we explain in more detail below, so you can find what best fits your needs.
- Supplement quality. The supplement industry isn’t well-regulated by the Food and Drug Administration (FDA). Therefore, our product list includes fiber supplements manufactured by companies with positive reputations in facilities that adhere to
CGMPs (current good manufacturing practices). - Supplement type. Fiber supplements are sold in a variety of forms, including powders, gummies, caplets, and whole foods. We understand factors such as convenience, portability, and taste are important when choosing a fiber supplement. For example, someone who doesn’t like the taste or texture of supplement powders may choose a fiber gummy instead. Thus, we’ve included several different forms so you can decide what works best.
- Overall Cost. We understand budget may be a limiting factor when it comes to purchasing dietary supplements. So we’ve included fiber supplements ranging from below $0.25 per serving to more than $1.00 per serving.
Soluble fiber absorbs the water in your food and becomes a gel-like substance, slowing digestion. This limits how much is absorbed in your intestines, helping to reduce cholesterol (3,
It may also regulate blood sugar and even lower your risk of developing type 2 diabetes. Additionally, soluble fiber is associated with lowering blood pressure, which may lead to reduced cardiovascular risk (
You can find fiber in some foods.
- oatmeal
- It is a vegetable called flaxseed.
- There is a vegetable called barley.
- peas that have been dried
- oranges
- There are apples.
- The carrots are large.
- There are beans.
Insoluble fiber doesn’t absorb water and adds bulk to your stool. It helps move food through your digestive system quickly and can relieve constipation. Insoluble fiber has been associated with a decreased risk of diverticulitis and cardiovascular disease (7,
Insoluble fiber can be found in foods.
- There are seeds.
- There are nuts.
- dark green vegetables.
- wheat is a vegetable
- brown rice
- bulgur.
People who find it difficult to consume enough from their diet can benefit from fiber supplements, which can help them meet the Recommended Daily Intake of fiber.
Fiber has been shown to improve LDL (bad) cholesterol and other blood lipid levels to support heart health. It’s also been shown to reduce blood sugar levels (
If you take medications that affect blood cholesterol or blood sugar levels, it is important to speak with your primary care professional before taking a fiber supplement.
Fiber supplements lack vitamins, minerals, and other healthful compounds that are found in fiber-rich foods.
It is encouraged to get fiber from fiber-rich sources and to use supplements as needed.
A note on price
The dollar signs indicate the general price ranges. One dollar sign means the product is very affordable, whereas three dollar signs mean a higher Cost.
The prices range from $0.19 to $1. 24 per serving, or $11.79 to $37.05 per container, depending on where you purchase from.
3–7 grams of fiber may be provided by serving sizes.
The pricing guide.
- $ = under $0.25 per serving
- $$ = $0.25–$0.50 per serving
- $$$ = over $0.50 per serving
Best inulin fiber supplement
Fiber Choice Fruity Bites
- Price: $$$
- Dose: 2 gummies
- Servings per container: 45
Inulin is a prebiotic fiber that can help cause favorable changes to your colon’s bacterial population (
This is important because these digestive bacteria play a significant role in how well you absorb nutrients and even produce hormones related to anxiety and appetite (
Inulin can be found in chewable tablet form as Fiber Choice, which is 100% prebiotic fiber.
Pros
- gummy form.
Cons
- Inulin may cause GI issues.
- Cost
- Not third-party tested for purity.
- Add sugar
Best methylcellulose fiber supplement
Citrucel SmartFiber Caplets
- Price: $$–$$$
- Dose: 2–4 caplets dissolved in 8 ounces of water
- Servings per container: 25–50
Another common soluble fiber is methylcellulose, a semi-synthetic form of cellulose, an essential structure in plants (
Methylcellulose is commonly found on the shelves in products like Citrucel with SmartFiber, which is 100% soluble fiber and found in powder or caplet form (16).
It’s also sold as a thickener and emulsifier in the culinary world. Because of methylcellulose’s chemical structure, it only dissolves in cold liquid (17).
Pros
- Convenient caplet form.
- Non-fermentable fiber is less likely to cause gas.
Cons
- Cost
- There is a number of caplets needed.
- Not third-party tested for purity.