BioStacks
Ingredients (22)
Vitamin D
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Potassium
100%Dose
200 mg
Target
99–500 mg
Form
Standard
Magnesium Malate, CTM
100%Dose
100 mg
Target
100–400 mg
Form
Standard
Vitamin C
100%Dose
1200 mg
Target
25–100 mg
Form
Budget
Vitamin B6
100%Dose
10 mg
Target
1.3–25 mg
Form
Budget
Nutrition
Calories, macros & sodium.
- Sodium75 mg
Other Ingredients (9)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Beta-Carotene (color)Color
Beta-carotene used in small amounts as a colorant/antioxidant.
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Take 1 packet daily. Open packet, mix contents with 2-3 oz. of water and dilute to your taste preference. Additional packets may be taken depending on physical activity.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.99
Near the median of 798 multivitamins
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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.