BioStacks
Best for
Ingredients (4)
DHA
100%Dose
355 mg
Target
250–1000 mg
Form
—
Vitamin D3
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Total Omega-3s
60%Dose
600 mg
Target
1000–3000 mg
Form
Not listed
EPA
29%Dose
145 mg
Target
500–2000 mg
Form
—
Nutrition
Calories, macros & sodium.
- Sodium10 mg
Other Ingredients (7)
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.
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
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Fish Oil, PurifiedLipid Base
Purified oil from fish used as a carrier and lipid base in omega-3 and fat-soluble supplements
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
On the label
One gummy chew daily, with food, or as directed by your health care professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$22.06
Near the median of 586 vitamin D supplements
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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.