BioStacks
Best for
Ingredients (2)
Calcium
100%Dose
250 mg
Target
200–600 mg
Form
Budget
Guarana Seed Extract
100%Dose
300 mg
Target
50–500 mg
Form
—
Other Ingredients (6)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
ShellacCoating
Natural resin secreted by the lac bug, used as a coating and glazing agent for tablets and pills
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
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
Best taken in the morning
Contains Guarana, which is stimulating — keep it to the morning. Calcium is easier on the stomach taken with food.
With food
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron, Magnesium and Zinc
On the label
Asa dietary supplement, take one (1) tablet three times before breakfast or 1/2 hour before your large meals, or as directed by your qualified healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.