BioStacks
Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
Best for
Ingredients (7)
Dietary Fiber
20%Dose
2 g
Target
10–30 g
Form
—
Psyllium
20%Dose
1000 mg
Target
5000–15000 mg
Form
—
Oat Fiber
3%Dose
0.3 g
Target
10–30 g
Form
—
Apple Fiber
5%Dose
300 mg
Target
6000–15000 mg
Form
—
Grapefruit Pectin
5%Dose
300 mg
Target
6000–15000 mg
Form
—
Other Ingredients (2)
FructoseSweetener
Added free fructose is metabolized in the liver and at habitual intake is linked to elevated triglycerides, hepatic fat accumulation, and insulin resistance; an avoidable sugar load with no supplement benefit.
Citric AcidAcidulant
Natural acid derived from citrus fruits
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
Keep it away from medication and mineral supplements
On the label
Mix one scoop daily with 4 to 8 oz. of water and drink promptly. For best results, start gradually (less than a full scoop) or as directed by your physician.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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$19.90
Cheaper than 75% of 147 probiotics 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.