BioStacks
Sports Research

D3 + K2 Gummies

Powder · 2 Gummies · 30 servings · $0.58/serving

83 / 100Excellent

Score Breakdown

Formulation
96
Safety
85
Final score
83/100

Ingredients (2)

Vitamin D3

100%

Dose

5000 IU

Target

1000–5000 IU

Form

Premium

Vitamin K2

100%

Dose

100 mcg

Target

90–200 mcg

Form

Premium

Other Ingredients (6)

AlluloseSweetener

Rare sugar (D-psicose), naturally found in trace amounts in figs, raisins, and wheat. ~70% sweetness of sucrose. Absorbed but not metabolized — excreted ~70% unchanged in urine. FDA permits exclusion from 'added sugars' labeling.

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

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.

Citric AcidAcidulant

Natural acid derived from citrus fruits

PectinGelling Agent

Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies

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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.