Your child gets a focused immune support formula built around three nutrients that matter most for kids' defenses. **Vitamin D** at 20 mcg (800 IU) is well above the 400 IU pediatric recommendation and within the range shown to reduce respiratory infections in children. **Vitamin C** delivers 90 mg — more than enough for a child's daily needs and aligned with doses studied for immune function.

**Zinc** at 3.6 mg covers roughly half the RDA for children ages 4-8 (5 mg), which is reasonable for a gummy format. What this means for you: the 100 mg of **Black Elderberry Extract** adds a traditional immune ingredient, though clinical evidence in children remains limited.

This is a 40-count bottle with a serving size of 2 gummies, giving you only 20 servings — and children age 3 get just 1 gummy (half the listed doses). If your child is 3, you're getting half the vitamin D and zinc amounts described above, so keep that in mind when evaluating whether the doses meet your child's needs.

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BioStacks

The Smurfs

Kids Gummy, Immune Defense, Ages 3+, Smurf Berry, 40 Gummies

Gummy · 20 servings · $0.50/serving

39 / 100Poor

Score Breakdown

Formulation
45
Safety
87
Final score
39/100

Ingredients (4)

Vitamin D800 IU

80% of effective dose · Premium form

Vitamin C90 mg

Partial dose · Budget form

Zinc3.6 mg

24% of effective dose

Black Elderberry Fruit Extract100 mg

33% of effective dose

Children's product — scores and dose assessments use adult reference ranges. Actual adequacy may differ for children.

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Vitamin C90 mg

100%

Vitamin D20 mcg

133%

Zinc3.6 mg

33%

Black Elderberry Fruit Extract100 mg

Other Ingredients

Fillers, coatings, and additives

8Safe1Caution

SucroseSweetener

Caution

Coconut OilCarrier

Safe

Fruit Juice (unspecified)Colorant

Safe

Fruit Juice (unspecified)Colorant

Safe

Carnauba WaxCoating

Safe

Citric AcidAcidulant

Safe

Natural FlavorsFlavor

Safe

PectinGelling Agent

Safe

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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.