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Natural Factors Big Friends Vitamin D3 400 IU Liquid
Natural Factors Big Friends Vitamin D3 400 IU Liquid
Natural Factors Big Friends Vitamin D3 400 IU Liquid is a gentle, convenient liquid vitamin D3 supplement designed for children, adolescents, and adults. Each drop provides 400 IU (10 mcg) of vitamin D3 to support bone and teeth development, calcium absorption, and immune function.
Vitamin D3 (Cholecalciferol) • 400 IU per Drop • MCT & Organic Flaxseed Oil • Easy Liquid Format
What it is
A liquid vitamin D3 supplement providing 400 IU per drop in a neutral-tasting oil base.
Provides vitamin D3 (cholecalciferol), the bioactive form of vitamin D
Each drop contains 400 IU (10 mcg)
Delivered in a base of MCT oil and organic flaxseed oil
Can be placed on a spoon or mixed into food or liquids
Suitable for vegetarians and free from artificial colours, preservatives, and sweeteners
Who it’s for
Infants, children, and adolescents needing vitamin D supplementation
Adults looking for a low-dose vitamin D3 liquid
Individuals who have difficulty swallowing tablets or capsules
People wanting an easy way to add vitamin D to food or beverages
Those looking to support bone, teeth, and immune health
What it does
Supports the development and maintenance of bones and teeth
Helps the body absorb calcium and phosphorus
Supports normal immune function
Helps maintain adequate vitamin D levels
Provides an easy way to supplement vitamin D when sun exposure or dietary intake is limited
Key Ingredient Roles
Vitamin D3 (Cholecalciferol): Helps regulate calcium and phosphorus metabolism and supports healthy bones, teeth, and immune function
MCT Oil: Provides a fat-containing base for the fat-soluble vitamin D3
Organic Flaxseed Oil: Provides a plant-based oil base containing beneficial fatty acids
Natural Vitamin E: Included as part of the oil formulation
What’s unique about it?
The biggest advantage is the simple 400 IU-per-drop liquid format, making it particularly easy to adjust and administer, especially for children. The neutral-tasting drops can be placed directly on a spoon or mixed into food or liquids.
Natural Factors Big Friends Vitamin D3 400 IU Liquid
Natural Factors Big Friends Vitamin D3 400 IU Liquid is a gentle, convenient liquid vitamin D3 supplement designed for children, adolescents, and adults. Each drop provides 400 IU (10 mcg) of vitamin D3 to support bone and teeth development, calcium absorption, and immune function.
Vitamin D3 (Cholecalciferol) • 400 IU per Drop • MCT & Organic Flaxseed Oil • Easy Liquid Format
What it is
A liquid vitamin D3 supplement providing 400 IU per drop in a neutral-tasting oil base.
Provides vitamin D3 (cholecalciferol), the bioactive form of vitamin D
Each drop contains 400 IU (10 mcg)
Delivered in a base of MCT oil and organic flaxseed oil
Can be placed on a spoon or mixed into food or liquids
Suitable for vegetarians and free from artificial colours, preservatives, and sweeteners
Who it’s for
Infants, children, and adolescents needing vitamin D supplementation
Adults looking for a low-dose vitamin D3 liquid
Individuals who have difficulty swallowing tablets or capsules
People wanting an easy way to add vitamin D to food or beverages
Those looking to support bone, teeth, and immune health
What it does
Supports the development and maintenance of bones and teeth
Helps the body absorb calcium and phosphorus
Supports normal immune function
Helps maintain adequate vitamin D levels
Provides an easy way to supplement vitamin D when sun exposure or dietary intake is limited
Key Ingredient Roles
Vitamin D3 (Cholecalciferol): Helps regulate calcium and phosphorus metabolism and supports healthy bones, teeth, and immune function
MCT Oil: Provides a fat-containing base for the fat-soluble vitamin D3
Organic Flaxseed Oil: Provides a plant-based oil base containing beneficial fatty acids
Natural Vitamin E: Included as part of the oil formulation
What’s unique about it?
The biggest advantage is the simple 400 IU-per-drop liquid format, making it particularly easy to adjust and administer, especially for children. The neutral-tasting drops can be placed directly on a spoon or mixed into food or liquids.

