Best for
Score Breakdown
Ingredients (4)
Vitamin D3
100%Dose
1200 IU
Target
1000–5000 IU
Form
Premium
Zinc
50%Dose
7.5 mg
Target
15–30 mg
Form
Standard
Vitamin C
36%Dose
90 mg
Target
250–2000 mg
Form
Budget
Black Elder
17%Dose
50 mg
Target
300–600 mg
Form
—
Other Ingredients (10)
IsomaltSweetener
A poorly-absorbed sugar alcohol that can cause bloating, gas, and laxative effects at higher doses (EFSA notes laxative threshold for polyols). Tolerable for most, but cumulative across products.
MaltoseSweetener
Added sugar; contributes to glycemic load.
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
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.
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
Products that cover similar health dimensions based on their ingredients.
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.




