BioStacks
Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
Ingredients (3)
Organic Acacia Fiber
5%Dose
0.5 g
Target
10–30 g
Form
—
Organic Chicory Root Inulin
10%Dose
500 mg
Target
5000–10000 mg
Form
—
L-Glutamine
6%Dose
300 mg
Target
5000–15000 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take with plenty of water. Fiber binds other things in the gut, so give it a 1–2 hour gap either side.
With food
Glutamine does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.
Keep it away from medication and mineral supplements
On the label
Adults take 2 capsules daily, or as recommended by your healthcare practitioner, with 8 ounces of water or your favorite beverage. May be taken with or without food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$26.99
Pricier than 83% of 19 fiber supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.