Natural Factors
Natural Factors Big Friends Liquid Vitamin D3 400 IU (15 mL)
Liquid vitamin D3 that supports growing bones and immunity
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Why Choose This Product
BONE DEVELOPMENT
Helps build and maintain strong bones and teeth during critical growth years.
IMMUNE SUPPORT
Supports healthy immune function with bioavailable vitamin D3.
NEUTRAL TASTE
No flavoring means easy acceptance by even the pickiest children.
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How It Works
How It Works
Vitamin D3 helps your child's body absorb calcium and phosphorus from food, directing these minerals to build strong bones and teeth. It also supports immune system development by helping immune cells function properly.
Who It's For
Parents of infants and children who want reliable vitamin D supplementation. Ideal for children with limited sun exposure, picky eaters, or those living in northern climates during winter months.
Who It's Not For
Not suitable if your child already receives adequate vitamin D from fortified foods and supplements combined.
About This Product
What It Does
Supports healthy bone development and immune function in growing children. This liquid vitamin D3 provides the most bioavailable form of vitamin D in a neutral-tasting formula that works for infants through older children.
Why It Works
- BIOAVAILABLE D3: Cholecalciferol is the same form your skin makes from sunlight, unlike synthetic D2.
- PRECISE DOSING: Baby-safe shaker cap delivers exactly 400 IU per drop with no guesswork.
- CALCIUM ABSORPTION: Helps your child actually use the calcium from their food and milk.
What's Inside
Simple liquid formula with vitamin D3 from lanolin. Baby-safe shaker cap design for accurate dosing. 500 drops per 15mL bottle.
Why we carry it: Natural Factors delivers consistent potency with a dropper system that actually works for busy parents.
How to Take
Full Ingredients
| Supplement Facts | ||
| Serving Size: 1 Drop (0.03 ml) | ||
| Serving Per Container: 500 | ||
| Amount Per Serving | % Daily Value for Children 1 through 3 Years of Age | % Daily Value for Adults and Children 4 or More Years of Age |
| Vitamin D3 (cholecalciferol) (lanolin) 10 mcg (400 IU) | 67% | 50% |
Customer Reviews
3 reviews
Questions & Answers
Research & Science
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