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Trust Your Grandma — A Fiber Supplement Should Be Your Go-To
![Molly Knudsen, M.S., RDN Molly Knudsen, M.S., RDN](https://mindbodygreen-res.cloudinary.com/image/upload/c_fill,g_auto,w_50,h_50,q_auto,f_auto,fl_lossy/usr/Tib3c9k.jpg)
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A lot of us are now just realizing that our grandmas were right about a lot of things. Knitting is fun. Baking bread brings joy. Tea before bed is a must. Fiber supplements are good for you.
And fiber has made some major headlines lately. A beverage of blended oats, water, and lime juice coined oatzempic is being hailed as a weight loss magic bullet, and psyllium husk garnered similar fanfare a few months prior.
These claims are, of course, exaggerated. But fiber does help with weight management, blood sugar control, gut health, and of course, the coveted digestive regularity—and most of us aren't getting enough of it.*
While not the sexiest supplement, fiber powders sure are practical and offer a host of benefits.
What are fiber supplements?
Fiber is a unique complex carb that is not digested by the human body and passes through the digestive tract relatively unscathed. It's only found in plant foods like grains, fruits, and vegetables.
Supplements isolate certain fibers from plants—although some fiber supplements are synthetically derived—into a powder, capsule, tablet, or gummy.
The end result (often a powder due to the sheer volume) features a combination of insoluble and soluble fibers:
- Insoluble fiber: These fibers attract water into the gut and don't dissolve in the process. The result is softer, bulkier stools that aren't straining to pass.*
- Soluble fiber: These fibers either dissolve or swell in water to form a gel-like substance slowing the digestion and absorption of nutrients. In turn, this helps stabilize blood sugar levels, promotes feelings of satiety after a meal, and even aids in weight management.* Soluble, prebiotic fibers even nourish and promote the growth of good bacteria in the gut microbiome.*
Why take a fiber supplement?
Even if you eat a lot of plants, you may be falling short of the fiber you need for optimal health. The average U.S. adult only eats about 16 grams1 a day, while women often need a minimum of 21-28 grams and men need 30-38 grams.
While eating more fiber-rich foods—like lentils, legumes, avocados, and chia seeds—should be a priority, choosing a high-quality fiber supplement can easily sneak in an extra six or so grams a day.
Another reason is if you're looking to address a specific health goal. Want to enrich your gut bacteria? Choose a prebiotic fiber. Want to focus on cholesterol and blood sugar? Choose a research-backed soluble fiber2. What about better regularity? Choose one that helps speed up gut transit time.*
Supplements can help provide targeted support for gut (and whole-body) health.*
Popular fibers for supplements
These are some of the common research-backed fibers that you may see on Supplement Facts panels:
- Psyllium husk: A soluble fiber from the seeds of the Plantago ovata plant
- Guar fiber: A soluble, prebiotic, low-FODMAP plant fiber from guar beans
- Inulin: A soluble, prebiotic fiber that's found in many plants (like chicory root)
- Beta-glucans: Soluble fibers derived from oats or certain mushrooms
While many of these fibers are listed as primarily soluble gel-forming fibers, they do still provide you with some insoluble fiber—as most plants naturally contain a mixture of both.
Not your grandma's fiber supplement
Your grandma didn't have many choices when it came to fiber supplements. She likely had a bright orange canister of Metamucil® tucked in a cabinet or sitting on the counter. And many people still reach for this dated formula.
"These bestselling fiber powders in the market are not clean," says mindbodygreen's vice president of scientific affairs Ashley Jordan Ferira, Ph.D., RDN. "They contain artificial flavors, synthetic dyes, artificial sweeteners like aspartame, and other additives—things known to mess with your gut in a bad way. Talk about counterproductive!"
Ferira also emphasizes that "these lazy formulas" also rarely contain multiple fiber sources, much less other gut-supporting ingredients like probiotics.
Meet organic fiber potency+
There are much better options on the market today including mindbodygreen's organic fiber potency+. This innovative formula was thoughtfully formulated to provide 6 grams of fiber with zero additives and zero other ingredients. "That's unheard of," emphasizes Ferira.
Most of that fiber comes from organic guar beans. Studies show that soluble, prebiotic fiber has the following benefits:
- Increases weekly bowel movements3*
- Combats bloating and gas4*
- Supports blood sugar balance and healthy cholesterol levels5*
- Enhances satiety and appetite regulation6*
- May support weight loss efforts by reducing energy intake7*
- Supports the growth of beneficial Bifidobacterium8 in the gut (and has postbiotic effects as those bacteria then produce beneficial compounds like butyrate9)*
We also paired it with organic green kiwifruit (for additional fiber and digestive support10) and an organic mushroom blend (that provides beta-glucans11 for even more prebiotics).*
The supplement is rounded out with probiotic support from Bacillus subtilis ATCC12264 to further address bloating and gas12.*
The powder also disperses readily into hot or cold liquids and does not gel (it also goes great in oatmeal or yogurt bowls). One of the biggest complaints with psyllium fiber powders is that many start gelling as they're stirred into water—creating a rather undesirable consistency for a beverage.* So while psyllium is still a very research-backed fiber, it's just not always the most pleasant to consume.
The takeaway
Fiber and fiber supplements deserve the increased attention they're getting (albeit some overpromising headlines). Whether you're looking for regularity or metabolic or general gut health support, fiber has your back.
But do things slightly differently than your grandma and opt for more innovative formulas with no additives, like organic fiber potency+.
12 Sources
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6124841/
- https://pubmed.ncbi.nlm.nih.gov/19335713/
- https://link.springer.com/article/10.1007/s10620-014-3135-1
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4744437/
- https://www.sciencedirect.com/science/article/abs/pii/S0268005X97800306#:~:text=In%20the%2015%20glday%20intake,improve%20lipid%20metabolism%20in%20humans.
- https://www.sciencedirect.com/science/article/abs/pii/S0031938416304085?via%3Dihub
- https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/postmeal-perceivable-satiety-and-subsequent-energy-intake-with-intake-of-partially-hydrolysed-guar-gum/6FD3F90EE9FD67BDDEDD583421B573E8
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6769658/
- https://pubmed.ncbi.nlm.nih.gov/25519526/
- https://pubmed.ncbi.nlm.nih.gov/34074830/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8308413/
- https://pubmed.ncbi.nlm.nih.gov/31719214/
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