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Aptamil 1 First Infant Milk Formula From Birth 800g

Aptamil 1 First Infant Milk Formula From Birth 800g

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  • ✔️ Nutritionally complete cow's milk formula from birth
  • ✔️ Whey-dominant protein for easier newborn digestion
  • ✔️ Contains DHA to support brain and eye development
  • ✔️ Fortified with iron, vitamin D, and vitamin C
  • ✔️ 800g tin suitable for newborns up to 12 months

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What Is Aptamil 1 First Infant Milk?

 

Choosing the right formula for your newborn is one of the most important decisions you'll make in those early weeks. Aptamil 1 first infant milk is a cow's milk-based formula designed for babies from birth, whether you're formula feeding from the start or supplementing breastfeeding. It comes in an 800g tin, making it a practical size for families getting into a feeding routine. You can find it alongside other essentials in our baby and toddler range at Cured Pharmacy.

The NHS recommends breast milk as the ideal nutrition for babies, but acknowledges that infant formula is a safe and appropriate alternative when breastfeeding isn't possible or chosen. Aptamil 1 is nutritionally complete for infants from birth up to 12 months when used as directed.

 

How Does Aptamil 1 First Infant Milk Work?

 

Infant formula works by providing a nutritionally balanced alternative to breast milk, supplying the key nutrients a growing baby needs in the first months of life. Aptamil 1 is formulated to meet the nutritional requirements set out in UK and EU infant formula regulations.

  • Contains whey protein derived from cow's milk, which is easier for young babies to digest than casein-dominant formulas
  • Provides lactose as the primary carbohydrate, mirroring the natural sugar found in breast milk
  • Includes a blend of vegetable oils to supply essential fatty acids for energy and development
  • Fortified with vitamins and minerals including iron, calcium, vitamin D, and vitamin C to support healthy growth
  • Contains long-chain polyunsaturated fatty acids (LCPs) including DHA, which contributes to normal brain and eye development

 

Who Should Use Aptamil 1 First Infant Milk?

 

Aptamil 1 is suitable for a wide range of feeding situations. It's designed for healthy, term-born infants and can be used from birth through to 12 months as a sole source of nutrition or alongside breastfeeding.

  • Parents who have chosen not to breastfeed or are unable to do so
  • Families supplementing breastfeeding with formula top-ups
  • Babies transitioning from breast to bottle
  • Newborns and infants up to 12 months of age who do not have a diagnosed cow's milk protein allergy

It is not suitable for premature infants without medical guidance, or for babies with a confirmed cow's milk protein allergy or lactose intolerance. Always speak to your health visitor or GP if you're unsure which formula is right for your baby.

 

How Does Aptamil 1 Compare to Other First Infant Milks?

 

Feature Aptamil 1 (800g) SMA Pro First Infant Milk
Suitable from Birth Birth
Protein base Whey-dominant cow's milk Whey-dominant cow's milk
Contains DHA Yes Yes
Pack size 800g 800g

 

How Should You Store Aptamil 1 First Infant Milk?

 

Proper storage is essential for your baby's safety. Keep the unopened tin in a cool, dry place away from direct sunlight. Once opened, store the tin with the lid firmly closed and use within four weeks. Never store unused prepared formula at room temperature for more than two hours — refrigerate it promptly and use within 24 hours.

The NHS advises preparing each feed fresh where possible, using water that has been boiled and cooled to no less than 70°C to reduce the risk of bacterial contamination. If you need to prepare feeds in advance, store them at the back of the fridge (not the door) and reheat only once. Aptamil 1 first infant milk should never be used past its printed use-by date.

This product is a food for special medical purposes and should be used under medical supervision where indicated. Speak to your doctor, pharmacist, or health visitor before using if your baby has an underlying health condition.

Aptamil 1 First Infant Milk Formula From Birth 800g specifications
Treatment category Infant nutrition / First infant milk
Mechanism of action Provides complete nutritional support for infants via a cow's milk-based whey protein formula
Effective for Nutritional support from birth to 12 months
Suitable for Healthy term infants from birth; not suitable for infants with cow's milk protein allergy
Active ingredient Whey protein, lactose, vegetable oils, vitamins and minerals, DHA
Pack size 800g
UK classification Food for special medical purposes (infant formula)
Preparation Powder — reconstituted with boiled water cooled to no less than 70°C
Route of administration Oral (bottle feeding)

Specifications of Aptamil 1 First Infant Milk Formula From Birth 800g

 

What Is Aptamil 1 First Infant Milk and What Is It Used For?

 

Aptamil 1 First Infant Milk Formula is a nutritionally complete cow's milk-based formula intended for babies from birth. It is used as a substitute for breast milk when breastfeeding is not possible, not chosen, or needs to be supplemented. The formula meets the compositional standards required by UK infant formula regulations and is designed to support normal growth and development throughout the first year of life.

The NHS is clear that breast milk is the ideal food for babies, but also recognises that infant formula is a safe and appropriate choice for families who need or prefer it. Aptamil 1 can be used as a sole source of nutrition from birth to six months, and alongside weaning foods from six months onwards until at least 12 months of age.

 

What Do You Need to Know Before Using Aptamil 1 First Infant Milk?

 

Before using any infant formula, it's worth understanding when it may not be appropriate. Always consult your GP or health visitor if you have any concerns about your baby's feeding.

Do not use Aptamil 1 if your baby:

  • Has been diagnosed with cow's milk protein allergy (CMPA)
  • Has galactosaemia or another condition requiring a lactose-free diet
  • Was born prematurely, unless advised by a healthcare professional that standard infant formula is appropriate
  • Has any other condition requiring a specialised formula

Important warnings:

  • Always prepare feeds using water boiled and cooled to no less than 70°C to reduce bacterial risk
  • Never add extra scoops of powder — this can cause dehydration and harm your baby
  • Do not use a microwave to heat prepared formula, as it can create hot spots
  • Discard any unused formula left in the bottle after a feed
  • Do not use past the printed use-by date on the tin

Known interactions:

  • No known drug interactions with infant formula in healthy babies
  • If your baby is prescribed medication, speak to your pharmacist before mixing it with formula

 

How Should You Use Aptamil 1 First Infant Milk?

 

Preparing formula correctly is essential for your baby's safety and nutrition. Follow these steps every time you make a feed.

  1. Wash your hands thoroughly with soap and water before preparing any feed
  2. Sterilise all bottles, teats, and feeding equipment before use
  3. Boil fresh tap water and allow it to cool for no more than 30 minutes, so it remains above 70°C
  4. Pour the required amount of water into the sterilised bottle first
  5. Using the scoop provided, measure the correct number of level scoops of powder (see table below)
  6. Add the powder to the water — not the other way around
  7. Seal the bottle and shake well until the powder is fully dissolved
  8. Cool the feed to feeding temperature by holding the bottle under cold running water
  9. Test the temperature on the inside of your wrist before feeding — it should feel lukewarm, not hot
  10. Discard any formula not consumed within two hours
Baby's Age Feeds per Day Water per Feed (ml) Scoops of Powder
Birth–1 week 6–7 60ml 2
1–2 weeks 6–7 90ml 3
2–4 weeks 5–6 120ml 4
1–2 months 5–6 150ml 5
3–4 months 5 180ml 6
5–6 months 4–5 210ml 7

These are approximate guidelines only. Every baby is different, and your health visitor can advise on the right amount for your baby's individual needs. If you're looking for additional support products for your baby, browse our vitamins and supplements range for infant vitamin drops recommended by the NHS.

 

What Are the Possible Side Effects of Aptamil 1 First Infant Milk?

 

Most babies tolerate Aptamil 1 well. However, some infants — particularly those new to formula feeding — may experience digestive adjustments in the first few days. These are usually mild and temporary.

Common side effects:

  • Wind or flatulence
  • Colic or unsettled behaviour after feeds
  • Loose or slightly different stools compared to breastfed babies
  • Mild constipation in some infants

Less common side effects:

  • Skin rash or eczema (may indicate cow's milk sensitivity — seek medical advice)
  • Vomiting or excessive posseting
  • Persistent crying or feeding refusal
  • Blood in stools (seek urgent medical attention)

If your baby shows signs of an allergic reaction — such as hives, swelling, or breathing difficulties — stop feeding immediately and call 999 or go to your nearest A&E. Cow's milk protein allergy affects around 2–3% of infants in the UK, according to NHS guidance.

 

How Should You Store Aptamil 1 First Infant Milk?

 

  • Store the unopened tin in a cool, dry place away from direct sunlight and heat
  • Once opened, keep the lid tightly closed and use within four weeks
  • Do not store prepared formula at room temperature for more than two hours
  • Refrigerate prepared feeds immediately if not used straight away, and use within 24 hours
  • Store prepared feeds at the back of the fridge (not in the door) where the temperature is most stable
  • Never freeze prepared formula
  • Do not use the product after the use-by date printed on the base of the tin

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Aptamil 1 First Infant Milk online in the UK?

You can buy Aptamil 1 First Infant Milk Formula 800g online from Cured Pharmacy for £17.45, with convenient UK delivery to your door. It is also widely available in supermarkets and high street pharmacies. Ordering online can save you time, especially during those busy early weeks with a newborn.

Is Aptamil 1 suitable for newborns from birth?

Yes, Aptamil 1 is specifically formulated for use from birth and can be used as a sole source of nutrition for the first six months of life. It can also be used alongside breastfeeding if you are combination feeding. Always follow the preparation instructions on the tin carefully to ensure your baby receives the correct nutrition.

How does Aptamil 1 First Infant Milk work in the body?

Aptamil 1 provides a nutritionally balanced blend of whey protein, lactose, vegetable oils, vitamins, and minerals that mirrors the nutritional profile of breast milk as closely as possible. The whey-dominant protein is easier for young babies to digest than casein-heavy formulas. DHA and other long-chain fatty acids in the formula support normal brain and eye development during the critical early months.

How do I prepare Aptamil 1 formula safely step by step?

Boil fresh tap water and allow it to cool for no more than 30 minutes so it stays above 70°C, which helps kill any harmful bacteria in the powder. Pour the correct amount of water into a sterilised bottle first, then add the measured scoops of powder using the scoop provided. Seal, shake well, cool under cold running water, and test the temperature on your wrist before feeding your baby.

What is the correct dose of Aptamil 1 for my baby's age?

The number of feeds and scoops per feed varies with your baby's age and weight — for example, a newborn in the first week typically needs around 60ml per feed, while a five-month-old may need up to 210ml. The feeding guide on the tin provides age-based guidance, but your health visitor can give personalised advice. Never add extra scoops of powder, as this can be harmful.

What are the side effects of Aptamil 1 formula?

Most babies tolerate Aptamil 1 well, but some may experience wind, colic, or changes in stool consistency when starting formula feeding. These effects are usually mild and settle within a few days as your baby adjusts. If your baby develops a rash, persistent vomiting, or blood in their stools, stop feeding and consult your GP promptly.

Can I use Aptamil 1 if my baby has a cow's milk allergy?

No — Aptamil 1 is based on cow's milk protein and is not suitable for babies with a diagnosed cow's milk protein allergy (CMPA). If you suspect your baby has CMPA, speak to your GP, who can refer you to a dietitian and recommend a suitable hypoallergenic formula. Symptoms of CMPA can include skin rashes, digestive problems, and persistent crying after feeds.

How does Aptamil 1 compare to Aptamil 2 follow-on milk?

Aptamil 1 is a first infant milk suitable from birth, while Aptamil 2 is a follow-on milk intended for babies aged six months and over who are also eating solid foods. The NHS advises that follow-on milk is not necessary, and that first infant milk can be used throughout the first year. There is no nutritional need to switch to follow-on milk if your baby is growing well on Aptamil 1.

How long does an 800g tin of Aptamil 1 last?

How long a tin lasts depends on your baby's age and how much they are feeding. A newborn consuming smaller, more frequent feeds may use a tin within one to two weeks, while an older infant on larger feeds may get through it faster. Once opened, the tin must be used within four weeks regardless of how much powder remains.

Should I use Aptamil 1 or breastfeed my baby?

The NHS recommends breastfeeding as the ideal source of nutrition for babies, as breast milk provides antibodies and nutrients that formula cannot fully replicate. However, if breastfeeding is not possible or you choose not to breastfeed, Aptamil 1 is a safe and nutritionally complete alternative. Many families also choose to combination feed, using both breast milk and formula — speak to your midwife or health visitor for support with your feeding choice.

Who is eligible to use Aptamil 1 First Infant Milk?

Aptamil 1 is suitable for healthy, term-born infants from birth up to 12 months of age who do not have a cow's milk protein allergy or other condition requiring a specialised formula. It is available to buy without a prescription. If your baby was born prematurely or has a medical condition, always seek advice from your GP or neonatal team before choosing a formula. You can also explore our baby and toddler range for other products to support your little one's health.

What happens if I make up Aptamil 1 formula incorrectly?

Adding too many scoops of powder can make the formula too concentrated, which may cause dehydration and put strain on your baby's kidneys. Too few scoops means your baby won't receive adequate nutrition. Always use the scoop provided, level it off carefully, and follow the feeding guide on the tin precisely.

What are the alternatives to Aptamil 1 First Infant Milk?

Other first infant milks available in the UK include SMA Pro First Infant Milk, Hipp Organic First Infant Milk, and Cow & Gate First Infant Milk — all of which meet the same UK regulatory standards for infant formula composition. If your baby has a cow's milk allergy, your GP may prescribe a hypoallergenic formula such as an extensively hydrolysed or amino acid-based formula. The NHS advises that all first infant milks are broadly nutritionally equivalent, so the choice often comes down to your baby's tolerance and your personal preference.

How long can I use Aptamil 1 First Infant Milk for?

Aptamil 1 can be used from birth through to 12 months of age as part of your baby's diet. From around six months, it should be used alongside solid foods as you begin weaning. After 12 months, whole cow's milk can be introduced as a main drink, though the NHS recommends continuing to offer formula or breast milk until at least 12 months. If you have questions about your baby's nutritional needs as they grow, your health visitor is a great first point of contact. You might also find our vitamins and supplements section helpful for finding NHS-recommended vitamin drops for babies and young children.

What are the latest guidelines on infant formula feeding in the UK?

The NHS and the UK Scientific Advisory Committee on Nutrition (SACN) continue to recommend breastfeeding as the first choice for infant feeding, while acknowledging that infant formula is a safe alternative. Current guidance advises against introducing follow-on milk before six months and recommends that all formula-fed babies receive vitamin D drops from birth. Weaning onto solid foods should begin at around six months, with formula or breast milk continuing alongside solids until at least 12 months.

How Should You Use Aptamil 1 First Infant Milk?

Always prepare each feed fresh where possible, using freshly boiled water that has been cooled to no less than 70°C. Sterilise all feeding equipment before every use to protect your baby from harmful bacteria.

Follow these steps each time you prepare a feed:

What Is the Correct Dose of Aptamil 1 First Infant Milk?

The correct amount of formula depends on your baby's age and individual appetite. The table below provides general guidance based on the manufacturer's feeding guide. Always use the scoop provided and level it off carefully — never add extra scoops, as this can be harmful to your baby.

When Is the Best Time to Use Aptamil 1 First Infant Milk?

Feed your baby on demand — that is, whenever they show signs of hunger such as rooting, sucking on their hands, or becoming unsettled. Newborns typically feed every two to three hours, though this varies between babies. As your baby grows, feeds will naturally become less frequent and larger in volume.

Try to prepare each feed just before it is needed rather than in advance. If you do need to prepare feeds ahead of time, refrigerate them immediately and use within 24 hours.

How Long Can You Use Aptamil 1 First Infant Milk For?

Aptamil 1 is suitable from birth through to 12 months of age. From around six months, it should be used alongside solid foods as part of the weaning process. After your baby's first birthday, whole cow's milk can be introduced as a main drink, though formula or breast milk can continue to be offered if preferred.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Aptamil 1 First Infant Milk?

Most babies tolerate Aptamil 1 well, particularly if they have been formula fed from birth. However, some infants — especially those transitioning from breast milk — may experience mild digestive changes in the first few days as their gut adjusts to formula feeding.

  • Wind or flatulence after feeds
  • Colic or unsettled behaviour, particularly in the evening
  • Loose or more frequent stools
  • Mild constipation in some infants
  • Posseting (bringing up small amounts of milk after feeds)

What Are the Less Common Side Effects of Aptamil 1 First Infant Milk?

Less commonly, some babies may show signs that could indicate a sensitivity or intolerance to cow's milk protein. These symptoms are worth monitoring closely, particularly if they persist beyond the first week or two of formula feeding.

  • Skin rash, eczema, or hives
  • Persistent vomiting or excessive posseting
  • Feeding refusal or prolonged crying after feeds
  • Mucus or blood in stools (seek urgent medical advice)
  • Swelling around the face or lips

What Are the Serious Side Effects of Aptamil 1 First Infant Milk?

Serious reactions to infant formula are rare but can occur in babies with an undiagnosed cow's milk protein allergy. Signs of a serious allergic reaction (anaphylaxis) include sudden swelling of the face, lips, or throat, difficulty breathing, or a sudden change in skin colour. If you notice any of these signs, stop feeding immediately and call 999 or go to your nearest A&E without delay.

What Should You Do If Your Baby Experiences Side Effects?

For mild digestive symptoms such as wind or colic, try winding your baby more frequently during and after feeds, and ensure you are preparing the formula correctly with the right number of scoops. If symptoms persist beyond two weeks or your baby seems unwell, contact your GP or health visitor. Never switch to a different formula without seeking professional advice first, as frequent changes can make digestive symptoms worse.

Can Aptamil 1 Interact With Other Medicines?

There are no known interactions between Aptamil 1 First Infant Milk and medicines in healthy babies. However, if your baby has been prescribed medication, speak to your pharmacist before mixing it with formula, as some medicines may be affected by the calcium or other minerals in infant formula. Always follow your GP's or pharmacist's instructions when giving medicines to your baby.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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