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150,000+ Happy Transparency Foods Customers
Lusy: Daily Psyllium Husk Fiber
Lusy is a premium psyllium husk fiber supplement that supports regularity and digestive health — with organic psyllium husk, no artificial ingredients, and a taste that makes it easy to stay consistent.
Supports regularity ond digestive health*
6 scientifically-backed benefits*
No artificial ingredients
Organic psyllium husk
Sugar-free
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Strawberry Lemonade
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Why Lusy?
Lusy makes it easier to get the fiber your body needs every day.
More than 90% of Americans do not consume enough fiber, while over 50 million experience constipation annually and 16% live with chronic constipation.
Using science-backed fiber, Lusy supports digestive regularity, constipation relief, blood sugar control, lower LDL cholesterol, appetite control, IBS management, and a healthy gut microbiome. Oh, and did we mention it tastes absolutely delicious?
How to Take Lusy
Mix one serving into at least 8 oz of cold water, stir well, and drink promptly before it thickens.
For regularity and general fiber support, take it whenever you can be consistent. For fullness or blood sugar support, take it 15–20 minutes before a meal. If you’re new to fiber, start slowly and increase gradually.
Ingredients & Allergens
Lusy is made with organic psyllium husk, citric acid, natural flavors, stevia, monk fruit, and beet juice powder for color. It’s sugar-free and contains no artificial ingredients. Lusy contains no major allergens.
Please review the product label for the complete ingredient list and other relevant allergen information.
Benefits
The organic psyllium husk in Lusy forms a gel in your digestive tract that helps support regularity, healthy stool consistency, digestive health, healthy cholesterol levels, a steadier blood sugar response, and greater fullness between meals.* Results may vary and consistent daily use is important.
Daily Use & Safety
Lusy is designed for daily use when taken as directed on the package and with enough water. Some people may experience temporary gas or bloating when first increasing their fiber intake, so starting gradually can help.
Never swallow the powder dry. Take it at least two hours before or after oral medications.
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Organic Psyllium Husk
No Artificial Ingredients
Non-GMO
Made in
USA
Sweetened with Monk Fruit & Stevia
Strawberry Lemonade
Why Lusy Exists
Lusy makes it simple to get the fiber your body needs every day.
THE PROBLEM
Most people aren't getting enough fiber, which can lead to uncomfortable digestion, low energy, and long-term health issues.
90%+
of Americans don't get enough fiber
50M+
people in the U.S. deal with constipation every year
16%
of adults in the US live with chronic constipation
THE SOLUTION*
Lusy helps you feel better from the inside out with science-backed fiber.
Digestive Regularity & Constipation Relief
Blood Sugar
Control
LDL Cholesterol Reduction†
Appetite
Control
IBS
Management
Gut Microbiome Support
150,000+ Customers Trust Transparency Foods
Testimonials
What others are saying about Lusy.
Actually enjoyable
“The strawberry lemonade flavor is light and refreshing. It doesn’t have that orange, artificial taste that many fiber products have.”
Erick C.
Verified Customer
Fiber that actually tastes good
"I expected it to taste medicinal, but it’s surprisingly good. It's really a treat. I mix it with cold water and drink it right away before it gels up"
Itzel D.
Verified Customer
A flavor I don’t dread
“Absolutely delicious!! I can't believe this doesn't have sugar. It's sweet and tasty, makes taking fiber don't feel like a chore.”
Mark S.
Verified Customer
How to Use Lusy
Measure, mix, and enjoy Lusy in less than 3 minutes
STEP 1
Measure
Start by measuring one serving of Lusy using the recommended serving size on the package.
STEP 2
Add Water & Stir
Pour into a glass with 8 oz or more of cold water, then stir well until smooth and fully combined.
STEP 3
Enjoy (quickly)!
Drink promptly before the psyllium begins to gel.
☀️ Make it part of your morning routine
A simple 3-step fiber ritual, ready in less than 3 minutes.
Us Vs. Them
Lusy works, is made with cleaner ingredients, and it tastes a lot better.
It Works
Delicious Flavor
(and smell)
No Artificial
Ingredients
Sugar Free
Premium Organic Psyllium Husk Fiber
Some
Products
Some
Products
Benefits of Lusy*
One delicious daily fiber with five clinically studied benefits.
The science behind each benefit
Click each benefit to explore how it works, key evidence, and how to use Lusy to get the most of each.
1. Regularity & digestive comfort
Psyllium husk is listed as a first-line intervention for chronic constipation in multiple clinical practice guidelines. The gel softens stool by drawing in water, while the insoluble fraction adds bulk and accelerates transit. Uniquely among fiber supplements, psyllium normalizes stool consistency in both directions: it relieves constipation and firms loose stool.
Key evidence:
A 2022 meta-analysis published in the American Journal of Clinical Nutrition reviewed 16 clinical trials involving 1,251 adults with chronic constipation. Fiber supplementation produced a clinically meaningful response in 66% of patients vs. 41% in the placebo group. Psyllium was identified as one of the most effective fibers for this outcome.
Note: Unlike stimulant laxatives, psyllium husk (as in Lusy) does not create dependence and is appropriate for long-term daily use.
2. Blood sugar control
Psyllium Husk's gel physically slows the absorption of glucose in the small intestine, blunting the post-meal blood sugar spike. This effect is relevant across the glycemic spectrum, from healthy individuals to those with type 2 diabetes.
Key evidence:
A 2024 systematic review and meta-analysis of 19 randomized controlled trials found that psyllium supplementation significantly improved glycemic markers:
Fasting blood glucose: –7 mg/dL
HbA1c: –0.75 percentage points
HOMA-IR: significant improvement in insulin sensitivity
Benefits were most pronounced at doses of ≥10 g/day and with supplementation lasting ≥10 weeks — both thresholds met by consistent daily use of one one serving of Lusy twice a day.
Note: For blood sugar management, Lusy is most effective when taken 15–20 minutes before the most carb-heavy meal of the day. This allows the gel to form before digestion begins, resulting in a lower blood sugar spike.
3. LDL cholesterol support†
Psyllium's gel binds bile acids in the small intestine, preventing their reabsorption. The liver must draw LDL cholesterol from circulation to synthesize new bile acids, resulting in a dose-dependent, measurable reduction in circulating LDL.
Key evidence:
A meta-analysis by Jovanovski et al. (2018), published in the American Journal of Clinical Nutrition, pooled data from 28 randomized controlled trials involving approximately 1,900 subjects. At a median dose of ~10 g/day, psyllium supplementation reduced:
LDL cholesterol: –13 mg/dL
Non-HDL cholesterol: significant reduction
Apolipoprotein B: significant reduction
The LDL-lowering effect has been shown to be additive to statin therapy in trials where statins were used concurrently.
FDA Health Claim (1998): The FDA has authorized a health claim for psyllium husk and cardiovascular disease — one of only a small number of dietary ingredients to ever receive this designation. The claim reads:
"Diets low in saturated fat and cholesterol that include 7 grams of soluble fiber per day from psyllium seed husk may reduce the risk of heart disease."
Two servings of Lusy (2 rounded teaspoons) provide exactly 7 g of soluble fiber from psyllium husk — meeting the full daily threshold specified in this claim.
4. Appetite control
Psyllium slows gastric emptying, prolonging post-meal satiety and reducing inter-meal hunger. This effect is entirely mechanical and is most pronounced when psyllium is taken before eating.
Key evidence:
Two randomized, double-blind, placebo-controlled crossover trials by Brum et al. (2016) evaluated psyllium at doses of 3.4 g, 6.8 g, and 10.2 g taken before meals. Psyllium significantly reduced hunger and desire to eat while increasing feelings of fullness. The most consistent and reproducible effect was observed at the 6.8 g dose, replicated across both trials.
Note: The recommended protocol is one serving taken 15–20 minutes before the largest meal of the day. This will also allow for the highest blood sugar control benefits.
5. IBS Management
Psyllium is one of the few fiber supplements recommended across both major subtypes of IBS — IBS-C (constipation-predominant) and IBS-D (diarrhea-predominant) — and is classified as a first-line intervention in multiple clinical guidelines for IBS management.
Key evidence:
A randomized controlled trial published in the British Medical Journal (2009) found that 10 g/day of psyllium significantly reduced IBS symptom severity compared to both placebo and wheat bran. Improvement was most pronounced in IBS-C, with clinically meaningful benefit also observed in IBS-D patients.
Note: Psyllium is better tolerated in IBS patients than high-fermentability fibers such as inulin and FOS, because its limited fermentation in the colon produces less gas. This is an important distinction for a someone that is often sensitive to these symptoms.
6. Gut microbiome support
While the primary benefits of psyllium are mechanical and metabolic, it also has a modest prebiotic effect.
A portion of psyllium reaches the colon largely intact, where it undergoes partial fermentation by gut bacteria, producing short-chain fatty acids (butyrate, acetate, propionate) that support the intestinal epithelium, reduce local inflammation, and feed beneficial bacterial populations including Bifidobacterium and Lactobacillus.
Note: The partial — rather than complete — fermentability of psyllium is also what makes it significantly better tolerated than dedicated prebiotic fibers in individuals with sensitive GI tracts.
How Lusy Works
Here's how Lusy works as it moves through your body.
STEP 1
Intake
Naturally delicious flavors make Lusy easy to drink daily, which is essential for optimal effectiveness.
STEP 2
Stomach
Lusy absorbs water and forms a gel. This helps you feel fuller longer and may help reduce blood sugar spikes by trapping sugars*.
STEP 3
Small Intestine
Lusy also traps bile acids and carries them out. To replace them, the liver uses cholesterol to make more bile acids, helping support healthy cholesterol levels†
STEP 4
Colon
Lusy reaches the colon mostly intact, feeds beneficial gut bacteria, and softens stool by holding water to support regularity*.
STEP 5
Elimination
Lusy and bound waste are naturally eliminated, supporting digestive and gut health*.
Any last questions?
What is psyllium husk?
Psyllium husk is the outer seed coat of the Plantago ovata plant. It is mostly fiber and is especially valuable because it forms a gel when it touches water. That gel is the main reason psyllium, and therefore Lusy, works differently from many other fiber supplements.
How soon will I notice results?
Many people notice improved regularity within 1–3 days of consistent psyllium use. However, your experience may depend on your diet, hydration, current fiber intake, and digestive system.
Can I mix Lusy with hot water?
We recommend using cold water or a cold beverage. Hot liquids can make psyllium gel faster, which may create a thicker and less pleasant texture.
When is the best time to take Lusy?
It depends on your goal. For appetite control and blood sugar support, take Lusy about 15–20 minutes before a meal. For regularity or general fiber intake, the most important thing is consistency, so take it at a time you can stick with daily.
Why do I need to drink it quickly?
Psyllium naturally thickens as it absorbs water. That gel is what makes it effective, but if you wait too long, the drink can become too thick. For the best experience, mix it well and drink it shortly after preparing it.
Are there any precautions I should know about?
Yes. Always mix Lusy with enough water and never swallow dry psyllium powder. Psyllium can also slow the absorption of some medications, so it is best to take it at least 1–2 hours before or after prescription medication. Consult a doctor before use if you are pregnant, nursing, taking medication, have a medical condition, have difficulty swallowing, have a chronic GI condition, or experience abdominal pain, nausea, vomiting, rectal bleeding, or a sudden change in bowel habits.
What makes Lusy different from Metamucil?
Lusy was created as a more modern psyllium supplement. It tastes absolutely delicious (which is very important) and it uses premium ingredients.
For example, Lusy uses organic psyllium husk and does not rely on added maltodextrin for mixability, as does Metamucil. Lusy also uses natural flavors, monk fruit, stevia, and beet juice powder instead of artificial flavors, artificial sweeteners (aspartame), and artificial colors (Yellow 6).
How is Lusy different from Benefiber?
Lusy and Benefiber are both fiber supplements, but they use different types of fiber, so they work differently in the body.
Lusy is made with psyllium husk, a gel-forming fiber. When mixed with water, it forms a thick gel that helps support regularity, digestive health, appetite control, healthy blood sugar response, and LDL cholesterol levels.
Benefiber is made with wheat dextrin, a non-gel-forming soluble fiber. It dissolves easily and is mainly used for gentle fiber support and gut microbiome support, but it does not form the same thick gel that gives psyllium its broader digestive and metabolic benefits.
So, the simple difference is this:
Benefiber is better if you want a tasteless fiber that dissolves easily. Lusy is better if you want a more comprehensive fiber supplement for regularity, digestive health, appetite control, blood sugar support, and LDL cholesterol support.
Why choose a drink mix instead of capsules or pills?
Psyllium capsules are convenient, but they usually contain only about 500–700 mg of psyllium each. To reach a meaningful serving of 5–7 grams, you may need 8–12 capsules. A drink mix makes it easier to take an effective amount and allows the psyllium to hydrate quickly.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
†Diets low in saturated fat and cholesterol that include 7 grams of soluble fiber per day from psyllium husk, as in Lusy, may reduce the risk of heart disease by lowering cholesterol already within normal levels. One rounded teaspoon of Lusy has 3.5 g of this soluble fiber.
Lusy - Strawberry Lemonade (13.8 oz)
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