BioStacks
Best for
Ingredients (17)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Biotin
100%Dose
3000 mcg
Target
1000–5000 mcg
Form
—
Vitamin A
100%Dose
1515.2 mcg
Target
700–1500 mcg
Form
Standard
Calcium
100%Dose
200 mg
Target
200–600 mg
Form
Standard
Niacinamide
80%Dose
20 mg
Target
25–500 mg
Form
Standard
Nutrition
Calories, macros & sodium.
- Total Carbohydrates1 Gram(s)
Other Ingredients (22)
BHTPreservative
Potential carcinogen in animal studies; may affect thyroid function; restricted in some countries
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
TalcAnti-caking
IARC classifies cosmetic-grade talc not containing asbestos as Group 2B (possibly carcinogenic to humans); perineal talc use as Group 2A (probably carcinogenic). Johnson & Johnson voluntarily withdrew talc-based baby powder from US/Canada in 2020 and globally in 2022 after extensive litigation tied to ovarian-cancer and mesothelioma cases. The 2018 FDA contamination survey found asbestos in 9 of 52 cosmetic talc products tested. As a supplement excipient talc is a pure manufacturing convenience — no nutritional or functional benefit to the user — so the asbestos-exposure risk has no offsetting upside. Safer alternatives (silicon dioxide, microcrystalline cellulose, rice hulls) are widely available.
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
Sodium BenzoatePreservative
Benzene can form in presence of ascorbic acid plus metals/heat/light; may trigger reactions in sensitive individuals
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
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 vitamins A, D and E in it absorb poorly without one.
With a meal containing fat
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron and Magnesium
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. 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.