We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Fiber Capsules 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

Metamucil 3-in-1 Fiber Capsules, Daily Psyllium Husk Fiber Supplement, Fiber Capsules for Digestive Health, Plant-Based Psyllium Husk Fiber Capsules, #1 Doctor Recommended Fiber Brand, 300ct Capsules

Rating
10.0
Chosen by1,471
Type of Fiber
Formulation
Brand Reputation

Most important from
25572 reviews

Type of Fiber
The plant-based psyllium husk capsules are incredibly convenient—no messy powders or mixing required.
Formulation
Capsules make travel easier and are preferred over the powder form for their ease of use.
Brand Reputation
The fact that these are the #1 doctor-recommended fiber brand gives extra confidence in their quality.

Metamucil 3-in-1 Fiber Capsules is a popular fiber supplement designed to promote digestive health, support healthy blood sugar levels, and lower cholesterol. This product stands out for its plant-based psyllium husk fiber, a recognized and effective type of fiber. Each capsule includes only two ingredients, ensuring a more natural formulation free from excessive additives.

The convenience of the capsule form makes it easy to incorporate into your daily routine, especially for those who are constantly on the go. Being the #1 doctor-recommended fiber brand and trusted for over 90 years adds a layer of credibility and confidence in its efficacy. The 300-count bottle is a generous quantity, likely to last a while, which is great for those committed to long-term usage.

A couple of weaknesses include the potential need to consume multiple capsules to meet your daily fiber intake, which might be cumbersome for some individuals. Additionally, while it helps support healthy blood sugar levels and heart health, these benefits may vary from person to person and should be considered as part of a healthy lifestyle. The product is unflavored, which might be a plus for some but a minus for others who prefer flavored supplements. Metamucil 3-in-1 Fiber Capsules are a reputable choice for adults looking to improve their digestive health and wellness through a plant-based fiber supplement.

Rating
10.0
Chosen by1,471
Type of Fiber
Formulation
Brand Reputation

Most important from
25572 reviews

Type of Fiber
The plant-based psyllium husk capsules are incredibly convenient—no messy powders or mixing required.
Formulation
Capsules make travel easier and are preferred over the powder form for their ease of use.
Brand Reputation
The fact that these are the #1 doctor-recommended fiber brand gives extra confidence in their quality.
#2

Citrucel Fiber Therapy Caplets for Irregularity, Easy to Swallow Methylcellulose , 180 Count

Rating
9.4
Brand Reputation

Most important from
9494 reviews

Brand Reputation
Citrucel is my go-to fiber supplement, recommended by my doctor over Metamucil. It keeps me regular and is more affordable here than at big box stores.

Citrucel Fiber Therapy Caplets are designed to help with irregularity and occasional constipation. They contain methylcellulose fiber, which is known for being non-toxic, non-allergenic, and a gentle option for those needing fiber. The caplets are easy to swallow and are clinically proven to be effective, which is a big plus for those looking for a reliable solution.

Physicians commonly recommend these as a therapeutic fiber laxative, adding to the brand’s strong reputation in the healthcare community. Additionally, Citrucel is known not to cause excess gas, which is a common concern with many fiber supplements. However, the product needs to be stored properly as exposure to heat or sunlight can lead to melting or damage. This means you need to be present during delivery to avoid any issues.

The product doesn’t list any additional ingredients, which might be a limitation for those looking for a more comprehensive fiber supplement with added benefits. Citrucel offers a straightforward and trusted option for those seeking relief from irregularity, backed by clinical testing and physician recommendations.

Rating
9.4
Brand Reputation

Most important from
9494 reviews

Brand Reputation
Citrucel is my go-to fiber supplement, recommended by my doctor over Metamucil. It keeps me regular and is more affordable here than at big box stores.
#3

Citrucel Fiber Therapy, 240 Fiber Caplets (2 Pack)

Rating
7.9
Formulation

Most important from
1059 reviews

Formulation
Way more cost-effective and faster to take compared to the powder form.

Citrucel Fiber Therapy comes in a two-pack with a total of 480 caplets, making it a convenient option for those looking to supplement their fiber intake over a longer period. Each caplet is designed to be hypoallergenic, which is beneficial for individuals with sensitivities or allergies.

The caplets are easy to take, as they come in a compact bottle, and are specifically formulated for adults. Citrucel is a well-known brand in the fiber supplement market, and this product has been available since 2014, which speaks to its established reputation.

Citrucel Fiber Therapy is likely to appeal to those seeking a hypoallergenic fiber supplement from a reputable brand with a substantial quantity included in each purchase.

Rating
7.9
Formulation

Most important from
1059 reviews

Formulation
Way more cost-effective and faster to take compared to the powder form.

Buying Guide for the Best Fiber Capsules

Choosing the right fiber capsules can be a bit overwhelming with the variety of options available. Fiber supplements are a convenient way to increase your daily fiber intake, which is essential for maintaining a healthy digestive system, regulating blood sugar levels, and supporting overall health. When selecting fiber capsules, it's important to consider several key specifications to ensure you pick the best fit for your needs.
Type of FiberFiber supplements come in different types, such as soluble fiber, insoluble fiber, or a combination of both. Soluble fiber dissolves in water and can help lower cholesterol and regulate blood sugar levels. Insoluble fiber does not dissolve in water and helps with bowel regularity. If you are looking to improve heart health or manage blood sugar, soluble fiber might be more beneficial. For digestive health and regularity, insoluble fiber is a good choice. A combination of both can provide a balanced approach.
Dosage per CapsuleThe dosage per capsule indicates how much fiber you are getting in each serving. This is important because it helps you understand how many capsules you need to take to meet your daily fiber requirements. Dosages can vary widely, typically ranging from 1 to 5 grams per capsule. If you need a higher fiber intake, look for capsules with a higher dosage to reduce the number of capsules you need to take daily. Always start with a lower dose to see how your body reacts and gradually increase as needed.
Additional IngredientsSome fiber capsules contain additional ingredients such as probiotics, vitamins, or minerals. These added ingredients can provide extra health benefits, such as improved gut health or enhanced nutrient intake. However, if you have allergies or sensitivities, it's important to check the ingredient list carefully. Choose a product with additional ingredients that align with your health goals and dietary needs.
FormulationFiber capsules can come in various formulations, including vegetarian, vegan, gluten-free, and non-GMO. This is important for individuals with dietary restrictions or preferences. If you follow a specific diet, make sure the fiber capsules you choose align with your dietary requirements. For example, if you are vegan, look for capsules that are labeled as vegan-friendly.
Brand ReputationThe reputation of the brand can be an indicator of the quality and reliability of the product. Well-known and reputable brands are more likely to provide high-quality fiber supplements that are safe and effective. Look for brands with positive customer reviews and a good track record. Researching the brand's history and manufacturing practices can also provide insight into the product's quality.
Certifications and TestingCertifications and third-party testing can provide assurance of the product's quality and safety. Look for fiber capsules that have been tested by independent organizations and have certifications such as USP (United States Pharmacopeia) or NSF (National Sanitation Foundation). These certifications indicate that the product meets high standards for purity, potency, and manufacturing practices. Choosing certified products can give you confidence in the supplement's quality.

FAQ

Most Popular Categories Right Now