BioStacks
Best for
Ingredients (5)
PepZin GI
100%Dose/day
75 mg
Target
37.5–75 mg
Form
—
Zinc
100%Dose/day
16 mg
Target
15–30 mg
Form
Not listed
Slippery Elm
50%Dose/day
200 mg
Target
400–1600 mg
Form
—
Mastic gum powder
40%Dose/day
200 mg
Target
500–2000 mg
Form
—
Calcium
70 mgTrace amount — not scored
Other Ingredients (5)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day
On the label
Take 1 tablet twice daily, or as directed by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$32.00
Near the median of 638 calcium 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.