BioStacks
Best for
Ingredients (2)
Proprietary Probiotic Blendproviding 5 billion CFU:Lactobacillus reuteri UALre-16™Lactobacillus acidophilus DDS® -1Lactobacillus rhamnosus UALr-18™
90%Dose
5 B CFU
Target
1–100 B CFU
Form
Standard
NutraFlora® scFOS
2%Dose
100 mg
Target
5000–10000 mg
Form
—
Other Ingredients (4)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
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
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Best taken in the morning
Live strains survive stomach acid best taken with or just before a meal — after a meal is the worst option. Consistency matters more than the clock.
With food
Keep it away from hot food or drink
On the label
Adults take 1 capsule daily, with or without food. Keep refrigerated to maintain maximum potency.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.99
Cheaper than 82% of 28 prebiotic fiber supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.