BioStacks
Nutrition
Calories, macros & sodium.
- Sodium50 mg
- Dietary Fiber0 g
Other Ingredients (6)
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Guar GumThickener
Natural thickener derived from guar beans
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
Whey ProteinProtein Source
Common dairy-derived protein that sometimes appears in the other ingredients list due to label parsing
How to Take It
Take it anytime
Take with food — potassium salts on an empty stomach commonly cause nausea.
With food
On the label
Combine one scoop with 150 mL of water, juice, or milk. ISONATURAL mixes well in a shaker cup but can also be combined with other ingredients in a blender.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$84.99
Pricier than 95% of 660 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.