BioStacks
Best for
Ingredients (14)
Selenium
50%Dose
50 mcg
Target
100–200 mcg
Form
Premium
Vitamin A
100%Dose
1133 mcg RAE
Target
700–1500 mcg
Form
Not listed
Riboflavin
20%Dose
5 mg
Target
25–100 mg
Form
Budget
Vitamin C
100%Dose
167 mg
Target
25–500 mg
Form
Not listed
Vitamin A
100%Dose
750 mcg RAE
Target
700–1500 mcg
Form
Not listed
Other Ingredients (20)
CarboxymethylcelluloseThickener
Carboxymethylcellulose was the second emulsifier (with polysorbate 80) in Chassaing et al. 2015 (Nature, PMID 25731162), which showed mucus-barrier thinning, a microbiota shift toward pro-inflammatory species, low-grade inflammation, and metabolic syndrome in mice. Chassaing 2022 (Gastroenterology, PMID 34774538) tested CMC directly in a randomized controlled human feeding trial and found reduced microbial diversity and bacterial encroachment into the normally sterile mucus layer in a susceptible subset of participants. EFSA's 2018 re-evaluation could not establish a safe level due to data gaps. For a purely textural excipient, the gut-barrier risk profile is unfavorable when safer thickeners are widely available.
Beta-Carotene (color)Color
Beta-carotene used in small amounts as a colorant/antioxidant.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
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
Lithothamnion CalcareaFiller
Calcified red seaweed used as a whole-food tablet base and natural calcium/magnesium source (common in food-based multivitamin lines)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
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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.