Psyllium Husk vs Metamucil
Updated By the HealthWorld editorial teamHow we pick
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The short answer
Metamucil is psyllium husk, the same soluble fiber, with added flavor, sugar or sweetener and a smoother texture, depending on the version. Plain psyllium husk is just the fiber, so it's the choice if you want no additives and don't mind a grittier, unflavored drink. Metamucil wins on taste and convenience. Either way, take it with plenty of water and at least 2 hours apart from medications.
Choose Plain psyllium husk if…
- You want fiber with no sugar, sweeteners or flavors
- You'll also use it in baking or smoothies
- You don't mind an unflavored, grittier texture
Choose Metamucil if…
- You prefer a flavored, smoother drink
- You'd like capsules as well as powder
- You value a well-known household brand
Side by side
| Plain psyllium husk | Metamucil | |
|---|---|---|
| Fiber | Psyllium husk | Psyllium husk |
| Fiber type | Soluble | Soluble |
| Added ingredients | Usually none | Flavor plus sugar or a sweetener, depending on the version |
| Formats | Powder, capsules, whole husks | Powder or capsules |
| Taste and texture | Unflavored, grittier, thickens quickly | Flavored, smoother |
| Safe use | Plenty of water; 2 hours from medications | Plenty of water; 2 hours from medications |
Where to buy
Frequently asked questions
Is psyllium husk better than Metamucil?
The fiber is the same, so the difference comes down to extras and convenience. Plain psyllium has no added sugar or sweeteners; Metamucil is easier to drink thanks to its flavor and texture. Choose the one you'll take consistently.
Is psyllium husk or Metamucil better for cholesterol?
Both provide the same psyllium fiber, which studies show can modestly lower LDL cholesterol as part of a diet low in saturated fat. If you're watching sugar, choose a plain or sugar-free option. If you take cholesterol medication, talk to your doctor before adding fiber supplements.
Does psyllium husk break a fast?
Plain psyllium is mostly fiber with very few digestible calories, so many people use it during fasting windows, though strictly any calories break a fast. Sugar-sweetened versions definitely do. If you fast for medical reasons, follow your doctor's advice.
Sources
- Probiotics — Fact Sheet for Health Professionals — NIH Office of Dietary Supplements
- Dietary Supplements — U.S. Food & Drug Administration