Best Immune Support Dietary Fiber Supplements in 2025

Heart, bone and nerve support supplement: contains one 200 count bottle of Nature Made Magnesium Oxide 250 mg Tablets for a 200-day supply

Magnesium 250mg helps relax the body and supports muscle relaxation, nerve, heart and bone health

Magnesium is an essential mineral that is required for more than 300 enzymatic reactions in the body

FROM THE PEDIATRICIAN RECOMMENDED PROBIOTIC BRAND: Culturelle Kids Probiotic + Fiber flavorless, dissolvable packets contain a safe, non-irritating formula that works naturally with your child’s body to promote regularity & healthy digestion

PROVEN PROBIOTIC STRAIN: formulated with 2.5 billion CFUs of the #1 clinically studied probiotic strain, Lactobacillus rhamnosus GG plus 3.5 grams of fiber naturally sourced from wheat, fruit & vegetables

SUPPORTS A HEALTHY MICROBIOME: Your child’s microbiome is essential to their overall health; The bacteria that live in the gut microbiome is linked to digestive health, cognition, mood, & the immune system

Certified USDA Organic, Non-GMO Project Verified, Gluten Free, Dairy Free, Soy Free, Vegetarian

Immune System & Digestive Support

Vitamin C from Organic Amla (30mg), Vitamin D (400 IU) and prebiotic fiber all help maintain a healthy immune system.

GUT HEALTH & IMMUNE SUPPORT (1) The gastrointestinal microbiome is active in the digestion of food; absorption of nutrients & supports tissues lining the immune system (1); Ultra Strength Probiotic 10 supports a healthy digestive; immune & upper respiratory systems for whole-body well-being (1)

MULTI-STRAIN PROBIOTIC (3) Nature’s Bounty Ultra Strength Probiotic 10 contains 10 unique probiotic strains to supplement the natural diversity of your GI microbiome; supporting healthy digestion and overall wellness (1)

20 BILLION LIVE PROBIOTIC CULTURES Each capsule contains 20 billion CFU (colony-forming units); guaranteed upon date of expiration; these good bacteria provide advanced support for your digestive system; maintaining a healthy gut (1)

All new upgraded kids formula & Fiber! Now our vitamins include even more premium Ingredients: beta carotene, Vitamin B6, Vitamin K2 and Choline (packing may vary)

Non-gmo. Free of milk, eggs, peanuts, tree nut allergens, fish allergens, shellfish, soy, gluten and wheat. No synthetic colors or artificial sweeteners/flavors. 3rd party lab tested. No refrigeration required

For children 4 years of age and older, take 2 gummies daily for the first week, 4 gummies daily thereafter. May be taken with or without food. Chew each gummy thoroughly

Nature's Way Probiotic Pearls for Women is a daily probiotic for women to help support vaginal flora and urinary tract health with 1 billion live probiotic cultures.*

Pearls Women’s helps maintain vaginal and urinary tract health and supports digestive balance and immune health with active Lactobacilli cultures.* Triple-layer coating helps them survive their journey to your small intestine where they're needed most.

Women take 1 softgel daily. Small probiotic pearls are easy to swallow and conveniently sized to take anywhere and everywhere, with no refrigeration required.

DIGESTIVE UPSET, DIARRHEA & CONSTIPATION. Toddlers & young children have delicate gut microbiomes that require specific strains of probiotics to restore balance. LoveBug Toddler & Kids Probiotics uses 8 clinically tested strains of probiotics that have been studied for toddlers and children.

WHY WE’RE DIFFERENT: Our formulation of supplements has a proprietary blend of top probiotic strains, determined by our researchers to provide optimal benefits to children between 12 months up to 4 years. We take everyone into account, which is why all of our products are Non-GMO, allergen free and include NO artificial colors or flavors. Tiny Tummies is the first staged probiotic for babies from birth to age 4.

PRODUCT CONTAINS: 1 box, 30 packets LoveBug Tiny Tummies infant probiotics for babies from 12 months - up to 4 years of age. Flavorless, non-GMO & gluten free. With 15 billion active cultures & multi-strain support, including Lactobacillus GG. Supports baby's digestive + immune health.

🌿ORGANIC & PLANT-BASED GUT BACTERIA SUPPORT: Prebiotics are essential for healthy bacteria to thrive within your digestive tract and to ease bloating. OUR CLINICALLY PROVEN TASTELESS PREBIOTIC, made from Nutraflora FOS, is an organic, food-based blend with a nutritional makeup, RICH IN BENEFICIAL MICRO AND MACRO NUTRIENTS that your body can more readily recognize and absorb. This prebiotic fiber supplement also blocks dietary lectins, completely forming a healthy gut ecosystem.

💪DON’T JUST LOOK GOOD, BUT FEEL GOOD: This cutting-edge stool hardener & keto fiber supplement blend helps promote OPTIMAL DIGESTIVE FUNCTION, increases energy levels, supports brain function, mental clarity, and immune function. Furthermore, we now know that nurturing the right balance of microbes in our digestive tract through prebiotic foods supports healthy weight management so that you can DECREASE BLOATING with our effective fiber powder unflavored and look your best.

🔄 OPTIMAL DIGESTIVE FUNCTION FOR ANY DIET: No matter which diet you are on, you probably don’t incorporate enough of these food types into your diet. As a result, we’ve combined POWERFUL FOOD BASED INGREDIENTS AND PREBIOTIC FIBERS for all diets, including low carb diets like the keto diet. Embrace a simple daily serving that will make you look and feel great! By implementing prebiotic foods into your regimen can accelerate your metabolism, and discourages the growth of unfriendly bacteria.

Contains one 13.4-ounce container of Bulletproof Unflavored Innerfuel Prebiotic fiber powder

This quickly dissolving prebiotic supplement feeds the beneficial bacteria in your gut to keep your microbiome thriving

Supports gut health with 17g prebiotics. Prebiotics feed probiotics, the good bacteria in your gut

Prebiotic Fiber Supplements: These chewable tablets are convenient prebiotic fiber supplements to help support regularity; Also available in gummies

Plant-Based Fiber: Made with a prebiotic fiber found in a variety fruits and vegetables which helps balance the digestive tract by supporting the growth and activity of beneficial bacteria in the gut

Chewable: Fiber Choice chewable tablets are a simple and tasty way to get the additional fiber you need in your daily diet

Clinically proven results- BioSchwartz advanced prebiotic contains a blend of PreforPro and PreticX prebiotic fibers that work better than inulin powder and other digestive enzymes to create your perfect microbiome. This allows for better absorption of nutrients and essential amino acids. Selective prebiotics support an increase of healthful bifidobacteria while inhibiting growth of undesirable microorganisms in the digestive tract.

Supports digestive health- Bloating, diarrhea and other intestinal issues affect many every day. BioSchwartz advanced prebiotics works in both intestinal areas of the body and is efficacious within hours. This supplement nourishes the flora of the intestinal lining to help promote regularity and ease occasional discomfort such as gas and bloating. When used with BioSchwartz probiotics, they can promote good bacteria growth that supports overall digestive health

Healthy microbiome leads to healthier lives - A healthy gut can support your natural immune response. It can also help with overall mood boost

Supports intestinal, muscular, and immune system health

Provides ingredients with antioxidant activity

Supports healthy liver function and supports the body's normal toxin-elimination function

Om Mushroom Superfood Lion's Mane Mushroom Powder Capsules: Contains one 180 ct. bottle (60 day supply) of Lion's Mane mushroom powder superfood supplement capsules. Each serving provides an efficacious dose of 2000mg of functional mushrooms for Memory Support, Focus, Clarity, and Nerve Health Superfood Mushroom Supplement

Supports Mental Performance: Om Mushroom Superfood Lion's Mane supplement is a powerful nootropic that helps support memory recall, focus, creativity and mood. Our Lion's Mane mushroom promotes brain health and a healthy nervous system. Supports creativity and mood

Full Spectrum Immune Support: Om's Lion's Mane Powder is made of whole food mushroom powder that includes mycelium and fruiting bodies and provides immune health support with beta-glucans, antioxidants, plus dietary fiber and prebiotics for gut health

Black elderberry gummies - Try our elderberry supplement and embrace the restorative powers of sambucus elderberry gummies loaded with antioxidants to encourage proper bodily functioning from within

Natural vitamin C gummy - There’s no denying that vitamin C is a crucial part of being healthy and our gummy vitamin C has made it easier than ever to make sure you’re getting enough of the nutrient

Elderberry immune support - Black elderberry zinc gummies are a potent immune booster for your defenses and we can all use a little immune boost so go natural with an easy to take elderberry gummy

120 GUMMIES | 2 MONTH SUPPLY - Made with Naturally sourced Probiotics and Prebiotics Fiber - Based on serving size, Serving size is 2 gummies, Take 2 to 4 gummies daily for best results. Expiration date for the product can be found stamped on the bottom of each bottle or stamped on designated white area on the bottom right side of the label. KOSHER CERTIFIED - Produced and formulated to a higher standard.

TASTEFUL, DELICIOUS SUPPLEMENTS - Our great Berry flavored gummy, makes your daily dose of much needed nutrition's, fun easy and tasty.

DIGESTIVE HEALTH - IMMUNE HEALTH - REGULARITY SUPPORT - With our specially Formulated Probiotic Prebiotic Fiber gummies. Viteey's Gastroenterologist recommended Digestive Heath Properties, delivers the prefect combination to help your Regularity support system. Viteeys Gummies ingredients are perfectly Formulated and combined for adults and kids, Just give it a chew, and let it work for you!

HIGHEST DOSE, FASTEST ABSORPTION – Compare elderberry supplements & you'll find Quantum Health's liquid Elderberry extract to be a leader in effectively & quickly delivering the immune-boosting and antioxidant support* of European black elderberry.

VEGAN SINGLE SOURCE ELDERBERRY – Quantum Health Elderberry Liquid Extract is a pure extract containing no artificial color, flavors, wheat, dairy, or corn. Contains water and 30% alcohol (a necessary component of extract production).

700mg SAMBUCUS NIGRA IN EVERY DOSE – Just one dropper (0.7 ml) provides a highly effective dose of Sambucus nigra (European Black Elderberry) extract.

A Simpler Way to Get Your Daily Fruits and Veggies: Natrol JuiceFestiv helps bridge the gap between what you eat and the nutrients your body needs for full body health

Support Your Immune Health: Natrol JuiceFestiv contains Immune Health Supporting Vitamin A, Vitamin C, and Selenium

46 Fruits, Vegetables, Grains, and Greens: Provides the benefits of a basket of fruits and veggies, 23 fruits, 18 vegetables and 5 grains and greens

PREMIUM PROBIOTIC SUPPLEMENTS FOR DOGS & CATS - Our clinical-strength probiotics are made with maximum-potency Probiotics to support healthy digestion. Featuring five of the most beneficial probiotic strains in dogs and cats, with 5 billion CFUs per serving!

ONCE-DAILY FOR DOG'S OPTIMAL GUT HEALTH - Fortified with Prebiotics and Sweet Potato to a beneficial amount of dietary fiber and daily nutrients. Using Profivex daily may also help improve immune function and anal gland health.

VET-APPROVED INGREDIENTS: Our all-natural dog treats & powder use only high-quality and beneficial probiotic strains recommended by vets—including Lactospore, a patented probiotic strain that offers the highest support for your pet’s digestion.

MIX-IN SUPERFOOD POWDER AND CHOLESTEROL MANAGEMENT SUPPLEMENT - Each Nutrim serving contains 750mg of Oat Beta Glucans, a soluble fiber that helps regulate cholesterol levels and promote overall wellness. As a fine powder designed to readily mix with food and drinks, you can enjoy its heart healthy benefits at any meal.

EXPERIENCE THE POWER OF PLANT-BASED NUTRITION - A vegan-friendly, natural-from-nature alternative to cholesterol medications and their potential side effects. Nutrim Oat Powder, a daily oat fiber supplement, serves as a wholesome substitute for dietary fiber pills, fiber gummies, and other high fiber supplements.

SUPPORTS A LOW CHOLESTEROL DIET - Neutral-flavored Oat Bran soluble fiber powder that you can easily incorporate into any diet—add into a coffee, juice, smoothie or shake; stir into soups, sauces and cereals; or sub in as oat flour for baking.

FIBER GUMMIES: Our great tasting strawberry flavored gummies are carefully formulated with polydextrose, a prebiotic fiber that helps support regularity in just 1 serving a day.

PREBIOTIC plus PROBIOTIC: With five grams of prebiotic fiber plus 1 Billion CFU of bacillus subtillis DE111 to help support digestive health and the growth of healthy bacteria.

GUT and DIGESTIVE HEALTH: Did you know that 70 percent of your immune system is located in your digestive tract. That’s where our DE111 probiotic can interact with digestive to help support your body’s overall digestive health.

THE ORIGINAL & ONLY CLINICALLY-PROVEN MODIFIED CITRUS PECTIN: PectaSol is a clinically proven, patented super-nutrient that delivers unparalleled daily support and protection at the cellular level. Backed by 65+ published studies including double-blind clinical trials, PectaSol works via unique bioactive mechanisms to optimize cellular function and communication, immune function, and other critical areas of health.*

DAILY SUPER-NUTRIENT FOR YOUR CELLS: Pectasol is considered one of the most important dietary supplements for total-body longevity, high-performing cellular activity, long-term health, immune balance and optimal aging. Safe for all ages, PectaSol provides a natural method for supporting our most critical areas of health, in part because of its unique ability to block the effects of excess Galectin-3 throughout the body*

25+ YEARS OF RESEARCH & CLINICAL SUCESS: Pectasol is professionally developed in the USA by leading integrative medicine authority, ecoNugenics formulator Isaac Eliaz, MD, LAc. With 25+ years of published research and clinical application, PectaSol has been extensively validated in the scientific literature, demonstrating unparalleled benefits in numerous areas of health.*

GET THE ULTIMATE BENEFIT - Taking our Organic Barley Grass, loaded with vitamins like Vitamin B1, Vitamin B5, Vitamin B6, Vitamin C, Vitamin E and Vitamin K2 to just name a few. This organic plant powder will help you feel an increase of energy and vitality, brain support, immune system support, eye health, and even help with keeping you on track for your daily goals.

STAY AWAY FROM THE LOW QUALITY BARLEY GRASS JUICE POWDER - Unlike most Barleygrass brands out there, we pride ourselves to bringing you only the best by doing a extensive search to provide you with the top tier level of USDA Certified Organic Barley Grass that is pesticide & herbicide free, microcystin free, gluten free, Non-GMO, 100% vegetarian & vegan, and only sourced from the USA.

GROWN WITH YOU IN MIND - Always on the lookout for the best quality of organic barley grass in the world, we were led straight to the US so we can provide our customers with the just pure organic barley grass with no preservations, fillers, or additives. Giving you the best barleygrass powder on the market.

Organic Barley Grass Supplement (Barley Grass Powder Organic), 20 Ounce, No GMOs and Vegan Friendly.

Loaded with High Proteins, All Essential Amino Acids, Rich Fatty Acids, Immune Vitamins (Vitamin C), Zinc Vitamin, Enzyme and Dietary Fiber.11 Times Calcium Than There is in Cow’s Milk, 6.5 Times Carotene and 5 Times Iron Content of Spinach, 7 Times Vitamin C in Oranges, and 4 Times Vitamin B1 in Whole Wheat Flour.

No GMOs, No Additives, No Preservatives, No Artificial Colors, No Flavors, No Fillers and No Gluten.

Household Staple - Oil of oregano liquid caps are a must have around the year to keep handy whenever someone is feeling under the weather to get them back on track faster with natural ingredients

A More Natural Immune Support - Our vegan oil of oregano softgels are carefully crafted to contain high levels of Carvacrol Thymol and other antioxidants to promote fully body wellness from within

Vegan Non-GMO Formula - We use carefully chosen ingredients in our oil of oregano pills to give you a quality tested herbal formula that is easy to take and offers a variety of health benefits

YumVs Probiotic with Prebiotic Fiber for Kids (80 count). White chocolate flavored bears contain proprietary blend of probiotics essential for children's nutrition and health, with 1 billion cells of microflora.

Dietary Supplement: Probiotics and prebiotic fibers are essential components in our children's digestive and immune health. Each serving of YumVs supplements contains a proprietary blend of Lactobacillus Acidophilus and Bifidobacterium Lactis, with an optimal dosage of probiotics and prebiotic fibers to help to promote the effectiveness of the probiotics. A special coating is applied to the probiotics, protecting them from stomach acids and keeping them intact.

Features: We believe in using high quality ingredients for all of our products, and maintain a nut free production facility. Formula is vegetarian, non GMO, gluten free, gelatin free, and contains no artificial colors, flavors or preservatives. Kosher/Halal.

Pure and Potent - Forget about traditional fish oil supplements and cod liver oil capsules and try our premium EPA DHA omega 3 supplement from Gadus morhua cod livers made with your health in mind

Full Body Benefits - Many people choose fish oil softgels to improve their heart health but our cod liver fish oil pills can also help cognitive health as well and provide much needed joint support

Optimal formula - To get the most out of fish oil we use premium quality wild Icelandic cod oil formulated to be molecularly-distilled neutralized deodorized and winterized for a better experience

GREAT TASTING STRAWBERRY FLAVOR GUMMY: These probiotic gummies for kids have a fruity strawberry flavor everyone loves; your kids will beg you for their daily dose of vitamin candy.

NATURAL FLAVORED AND VEGETARIAN: These vegetarian probiotic gummies are certified non-GMO, gluten-free, and dairy-free; they are free of peanuts and tree nuts and are made with natural pectin. Certified kosher and halal

SUPPORTS HEALTHY DIGESTIVE AND IMMUNE FUNCTIONS: Children Probiotic gummies may help balance the friendly bacteria in the digestive system. It also may target your child’s specific digestive health needs and with continued use, give you long-term digestive support.

Concentrated formula with 50+ superfoods: Primal Greens combines the goodness of super greens, organic fruits, Ayurvedic herbs, adaptogenic mushrooms, and more. It’s an excellent source of vitamin C, vitamin b12, vitamin E, and dietary fibers taken from organic kale, asparagus, alfalfa, and brussel sprouts. Also contains minerals like copper and zinc to support immune function and the body’s defense against oxidative stress.

Optimized with chlorella and La-14 probiotics: What makes Primal Greens stand out is its added La-14 or L. acidophilus probiotics to help optimize digestion, immune function, and nutrient absorption. Added to it is the cracked wall chlorella to make it far more bioavailable than other green powders. Our green powder also makes a tastier and more convenient alternative to liquid chlorophyll products.

Enhanced with nootropic mushroom blend: Through a unique blend of adaptogenic Maitake, Reishi and Shiitake mushrooms, Primal Greens is designed to help you clear your mind of fog, improve your mood, and boost immunity. Definitely a great addition to its high concentration of fiber-rich and nutrient-dense veggies that can help curb unhealthy cravings and support your weight loss goals.

REVIVE FROM WITHIN – You’re only a few weeks away from increased energy, more restful sleep, a better mood boost, and smooth skin with SeroVital ADVANCED.*

REJUVENATE YOUR SKIN –SeroVital ADVANCED contains ceramides to help strengthen and hydrate skin plus hyaluronic acid, collagen peptides, and keratin peptides—all beloved for their renewing effects. The Renewal Complex a critical peptide associated with more youthful skin.

SLEEP WELL & ARISE WITH ENERGY –SeroVital ADVANCED provides a deeper, more restful sleep without the morning grogginess you get from sedatives and sleep aids! Power through your day with ease, boosted energy, and mood support!*

FOSTERS GUT HEALTH: IAG is a good source of prebiotic fiber and stimulates production of butyrate, a fatty acid that supports gut health.

HEALTHY SOURCE OF PREBIOTICS: Prebiotics help feed the good bacteria in the gut, which helps stimulate overall health and well-being. IAG contains 2 grams of Arabinogalactans, a long, densely branched, high-molecular weight polysaccharide derived from Larch trees, in each teaspoon serving.

SUPPORTS IMMUNE FUNCTION: This unique, mild and slightly sweet powder is recognized for its immune-enhancing properties.