Your baby is getting **Limosilactobacillus reuteri DSM 17938** at 100 million CFU — the exact strain and dose used in clinical trials on infant colic, spit-up, and digestive comfort. This is one of the most-studied probiotic strains in pediatric research, with strain-level identification that lets you trace it directly to published trials. The 5-drop liquid format makes dosing straightforward for newborns and infants.
**Vitamin D3** is included at 400 IU (10 mcg), matching the recommended daily intake for infants under 12 months. It's delivered as cholecalciferol in a sunflower oil base, which supports absorption since vitamin D is fat-soluble. For your baby's bone development and immune function during the first year, this covers the baseline.
The probiotic dose of 100 million CFU is clinically appropriate for the specific strain used here, but it's worth knowing this is far lower than the billion-plus CFU counts you'll see on adult probiotics — that's by design for infants, not a shortcoming.
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What it does
A combination of 2 label ingredients.
Protectis
dsm 17938Premium
Label lists Protectis. Benefit information is limited.
Vitamin D
cholecalciferolPremium
Supports calcium absorption and the maintenance of normal bones.
Ingredients (2)
Children's product — scores and dose assessments use adult reference ranges. Actual adequacy may differ for children.
Other ingredients
Sunflower Seed OilCarrier
Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
Lab testing
How to take it
With a meal containing fat
Keep it away from hot food or drink
On the label
Shake well
Price check
$26.99
Pricier than 82% of 552 vitamin D supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.
Not medical advice. Consult your healthcare professional.