-
Free UK delivery on orders over £35
-
One tree planted with every order













(hover/tap for text)
BetterYou D400 Infant Vitamin D Oral Spray is gentle formulation of coconut oil and vitamin D, specially formulated for children under 3 years of age.
- Each spray delivers 400IU (10μg) of vitamin D3 to support your baby’s development
- Simple and pure formulation
- Contributes to healthy bone and teeth development
- Supports a healthy immune system
- No artificial colours or flavourings
- 100 daily doses
- Packaging made from Ocean Plastic
Details
Developed specifically with your little one’s in mind, D400 Infant provides the government recommend dose of vitamin D (400iu) in a gentle and pure formulation - Without unnecessary sugars, bulking agents or artificial flavourings.
Formulated to provide optimal nutritional delivery, each spray provides the vitamin D in micro-sized droplets that coat and permeate the soft-tissue of the inner cheek, delivery the essential nutrients into the rich vein system below. This allows the formulation to quickly enter the bloodstream for optimal absorption.
A great-tasting and convenient method of supplementation for infants and young children – No water. no tablets. no fuss.
Specifications
Product size: | 15ml / 100 sprays |
---|---|
Flavour: | No Flavour |
Usage length: | 3-month supply |
Strength per single spray: | 400iu / 10μg (micrograms) |
Active ingredient: | Cholecalciferol (Vitamin D3) |
Absorption tested by: | Cardiff University |
Importance of vitamin D
An essential vitamin for a child’s development, vitamin D aids calcium absorption, supports a healthy bones and teeth, contributes to a healthy immune system and muscle function.
Learn more about vitamin D supplementation >
Who needs it
Children under 5 years old are considered an “at risk” group for vitamin D deficiency by the UK Department of Health and should be given a daily supplement throughout the year.
How to use
Initial use: press the pump 3 times to get the liquid flowing.
Shake well before every use. Carefully spray into your mouth, ideally onto the inside of your cheek, and hold for a few seconds.
Replace the cap after use.
Dosage
1 spray delivers 400IU of vitamin D.
Use 1 spray a day (or as directed by your healthcare practitioner).
Does not need to be taken with food or water, can be taken at any time of the day and combined with our other oral sprays.
Storage
Once opened, use within 6 months.
Store at room temperature and out of direct sunlight.
Keep out of reach and sight of children.
Advisory information
Food supplements should not be used as a substitute for a varied diet and healthy lifestyle.
- Babies and children under 3 years old
- Vegetarians
- Those following a gluten free diet
For children over 3, please consider D400 Junior
No known contraindications with prescribed medications.
Ingredients
Coconut oil, cholecalciferol (vitamin D3).
Nutritional Information
Nutritional Information | ||
---|---|---|
Each daily dose (1 spray) contains | NRV | |
Vitamin D3 | 400Iiu / 10μg (micrograms) | 200% |
*Nutrient Reference Value |
Free froms
- Sugar free
- Gluten Free
- No artificial colours
- No artificial flavours
- No fillers
- No GMO
- No Alcohol
Planet-Friendly Packaging
The carton is made of material from well-managed, FSC®-certified forests and other controlled sources.
This bottle is made from ocean plastic, ensuring that the equivalent weight of waste plastic is removed from our oceans.
Palm-oil derivative free

This product has been certified palm oil and palm oil derivative free by The International Palm Oil Free Certification Trademark (POFCAP).
Learn more about the Better Planet Project >
The BetterYou Source
The source of vitamin D3 is Lanolin. This has been sourced from the wool of sheep living in Australia. The D3 is completely extracted from the Lanolin and while it is suitable for vegetarians (approved by the vegetarian society) it may not be suitable for those wishing to follow a strict vegan diet.
BetterYou takes pride in its unique approach to absorption, delivery and stability testing and proudly use natural ingredients wherever possible.
Proudly British made. Never tested on animals.
Manufactured in a GMP Facility.
Delivery Information
New Column | New Column | New Column |
UK
|
From £2.95 |
1 – 5 Days
|
European Union
|
From £7.95
|
3 – 5 Days
|
Rest of World
|
From £8.95
|
7 – 10 Days
|
Free standard delivery on UK orders over £35
Free next-day tracked delivery on UK orders over £75
Order before 12 noon (GMT) Monday - Thursday and before 10:30am Friday for same-day dispatch.
This is down to personal preference, either way provides optimal absorption. Though you may find it easier to take them all together to ensure you don't forget a dose.
The oral sprays do not need to be taken with food or a drink so can be used at your convenience.
Our studies have found that the best place for absorption are on the inside of the cheek. When using multiple sprays we would recommend spraying in this area.
Yes! All our packaging is fully recyclable. Find out more information about our packaging here
No. Our oral sprays avoid primary processing by the digestive system, meaning it can be taken at any time of day with or without food. The active ingredients are delivered directly into the bloodstream via the inner cheek.
Details
Developed specifically with your little one’s in mind, D400 Infant provides the government recommend dose of vitamin D (400iu) in a gentle and pure formulation - Without unnecessary sugars, bulking agents or artificial flavourings.
Formulated to provide optimal nutritional delivery, each spray provides the vitamin D in micro-sized droplets that coat and permeate the soft-tissue of the inner cheek, delivery the essential nutrients into the rich vein system below. This allows the formulation to quickly enter the bloodstream for optimal absorption.
A great-tasting and convenient method of supplementation for infants and young children – No water. no tablets. no fuss.
Specifications
Product size: | 15ml / 100 sprays |
---|---|
Flavour: | No Flavour |
Usage length: | 3-month supply |
Strength per single spray: | 400iu / 10μg (micrograms) |
Active ingredient: | Cholecalciferol (Vitamin D3) |
Absorption tested by: | Cardiff University |
Importance of vitamin D
An essential vitamin for a child’s development, vitamin D aids calcium absorption, supports a healthy bones and teeth, contributes to a healthy immune system and muscle function.
Learn more about vitamin D supplementation >
Who needs it
Children under 5 years old are considered an “at risk” group for vitamin D deficiency by the UK Department of Health and should be given a daily supplement throughout the year.
How to use
Initial use: press the pump 3 times to get the liquid flowing.
Shake well before every use. Carefully spray into your mouth, ideally onto the inside of your cheek, and hold for a few seconds.
Replace the cap after use.
Dosage
1 spray delivers 400IU of vitamin D.
Use 1 spray a day (or as directed by your healthcare practitioner).
Does not need to be taken with food or water, can be taken at any time of the day and combined with our other oral sprays.
Storage
Once opened, use within 6 months.
Store at room temperature and out of direct sunlight.
Keep out of reach and sight of children.
Advisory information
Food supplements should not be used as a substitute for a varied diet and healthy lifestyle.
- Babies and children under 3 years old
- Vegetarians
- Those following a gluten free diet
For children over 3, please consider D400 Junior
No known contraindications with prescribed medications.
Ingredients
Coconut oil, cholecalciferol (vitamin D3).
Nutritional Information
Nutritional Information | ||
---|---|---|
Each daily dose (1 spray) contains | NRV | |
Vitamin D3 | 400Iiu / 10μg (micrograms) | 200% |
*Nutrient Reference Value |
Free froms
- Sugar free
- Gluten Free
- No artificial colours
- No artificial flavours
- No fillers
- No GMO
- No Alcohol
Planet-Friendly Packaging
The carton is made of material from well-managed, FSC®-certified forests and other controlled sources.
This bottle is made from ocean plastic, ensuring that the equivalent weight of waste plastic is removed from our oceans.
Palm-oil derivative free

This product has been certified palm oil and palm oil derivative free by The International Palm Oil Free Certification Trademark (POFCAP).
Learn more about the Better Planet Project >
The BetterYou Source
The source of vitamin D3 is Lanolin. This has been sourced from the wool of sheep living in Australia. The D3 is completely extracted from the Lanolin and while it is suitable for vegetarians (approved by the vegetarian society) it may not be suitable for those wishing to follow a strict vegan diet.
BetterYou takes pride in its unique approach to absorption, delivery and stability testing and proudly use natural ingredients wherever possible.
Proudly British made. Never tested on animals.
Manufactured in a GMP Facility.
Delivery Information
New Column | New Column | New Column |
UK
|
From £2.95 |
1 – 5 Days
|
European Union
|
From £7.95
|
3 – 5 Days
|
Rest of World
|
From £8.95
|
7 – 10 Days
|
Free standard delivery on UK orders over £35
Free next-day tracked delivery on UK orders over £75
Order before 12 noon (GMT) Monday - Thursday and before 10:30am Friday for same-day dispatch.
This is down to personal preference, either way provides optimal absorption. Though you may find it easier to take them all together to ensure you don't forget a dose.
The oral sprays do not need to be taken with food or a drink so can be used at your convenience.
Our studies have found that the best place for absorption are on the inside of the cheek. When using multiple sprays we would recommend spraying in this area.
Yes! All our packaging is fully recyclable. Find out more information about our packaging here
No. Our oral sprays avoid primary processing by the digestive system, meaning it can be taken at any time of day with or without food. The active ingredients are delivered directly into the bloodstream via the inner cheek.
At a glance
What customers say
Place an order, plant a tree
We believe everyone should have the right to clean air. That’s why we’ve teamed up with carbon-busting specialists, Earthly, to support their reforestation project in Madagascar.
Each mangrove tree removes around 308kg of CO2 from the atmosphere over the course of it’s lifecycle.