"In this section, our veterinarians share their expertise — specialists who have spent years focusing on healthy canine nutrition and dog health."
Puppy nutrition: why puppies need a different diet
He's finally here! With tiny paws and wide eyes full of wonder, puppy Bruno has moved in with his new family. Everyone is delighted and determined to do everything right — especially when it comes to nutrition.
And that matters. Because puppies aren't small adult dogs — they're in a phase where their bodies are working at full capacity every single day. Whether you choose freshly cooked food, dry food or wet food: puppy feeding always needs to match the demands of growth. A dedicated puppy food is the most reliable way to get this right.
In the first six months of life, dogs grow at an extraordinary pace. Organs, bones, muscles and the immune system are all developing at once. Mistakes in nutrition can have lasting effects — from chronic joint problems to a higher susceptibility to illness.
For dog owners, this means one thing: a puppy needs food that genuinely matches its age, body weight and stage of development. General feeding guidelines only go so far — what counts are the individual needs of your puppy.
Feeding puppies from week 12 onwards
At around 12 weeks, many puppies take a big step: moving into a new home and adjusting to new people, new routines and a flood of new impressions. At this point, the last thing your puppy needs is chaos in the bowl too.
So the rule for the first few days after moving in is: keep things calm and consistent. Don't immediately switch foods or experiment with lots of different options. If your puppy did well on a particular food at the breeder's or rescue centre, stick with it for a while. After that, you can transition gradually — for example, from puppy dry food to wet food or freshly cooked meals. Switching straight to adult food or a completely different diet at this stage isn't recommended.
Set mealtimes also help your puppy settle in. They provide structure, support digestion and make daily life more predictable — which is worth a lot during an already exciting adjustment period.
It's also important to pay close attention during this time. What does the stool look like? Is your puppy eating with appetite? Does it seem content? Is it gaining weight steadily? These observations will give you a solid feel for how the diet is working and how much to feed each day.
Your puppy's growth phases
In the very first weeks of life, a young puppy has one main focus: settling in, nursing, sleeping, snuggling and growing. During this phase, puppies gain weight rapidly.
Then comes the main growth phase, when young dogs visibly shoot up. Between months 3 and 7, bones and muscles often grow particularly fast. Small breeds tend to go through this phase earlier than larger ones.
After that, development shifts towards maturation: the body fills out and proportions balance — even though internal growth may not yet be complete.
A dog is truly fully grown once the growth plates close. These cartilaginous areas at the end of the long bones typically close between 12 and 24 months, depending on breed and size. Small dogs finish developing earlier than large ones.
A small breed like a Havanese may be fully grown at around 10 to 12 months, while a Labrador usually takes 12 to 18 months — and very large breeds like the Great Dane need even longer.
Puppy feeding guide: nutrient overview
A puppy's energy and nutritional requirements change at every stage of development. The right balance always depends on the individual dog.
The most important nutrients for puppies at a glance
| Nutrient | Why it matters |
|---|---|
| Protein | The primary building block for muscles and tissue. Puppies need slightly more protein than adult dogs. |
| Fats | Provide energy and essential fatty acids, and are critical for brain and nervous system development. Omega-3 fatty acids (DHA, EPA) are particularly important for brain development. |
| Calcium & Phosphorus | Essential for bone development. The correct ratio is especially important to prevent skeletal deformities and joint problems later in life. |
| Vitamins & Trace Elements | Vitamin E supports the immune system, while minerals such as copper, iodine, selenium and zinc support numerous metabolic processes. Vitamin A promotes eye health; Vitamin D is particularly important for bone development. |
| Carbohydrates | Supply energy, but should be easy to digest — for example from sweet potato or wholegrains. |
Calcium and phosphorus are especially critical during growth. Both nutrients need to be present not just in the right amounts, but in the right ratio — ideally 1.2–1.5:1 — for healthy development. Calcium primarily supports strong bones and teeth; phosphorus plays a key role in metabolism and bone formation.
How much should a puppy eat?
There's no one-size-fits-all answer based on age alone. What matters is current body weight, expected adult size, activity level and the energy density of the food.
The goal isn't to make your puppy grow as fast as possible — it's to support steady, controlled growth. This is especially true for larger breeds, which need appropriate nutrition but not excessive calories. Too-rapid growth driven by overfeeding puts real strain on bones and joints. Every extra calorie counts.
A growth curve is a reliable way to track your puppy's development. Your vet can help you determine your dog's likely adult weight and which curve applies.
Here's an example growth curve for a dog with an expected adult weight of 20 kg:
Treats count too. Training sessions in particular can add up quickly, so rewards should always be factored into the daily ration. That's the only way to accurately assess how much your puppy is actually eating each day.
How often should you feed a puppy?
Because puppies have small stomachs but high energy needs, several smaller meals a day generally work better than a few large ones.
Up to four months of age, feed your puppy four times a day. After that, you can gradually reduce to three meals, and later to two. Spreading the daily ration across multiple meals also helps reduce the risk of bloat (gastric dilatation-volvulus).
What can puppies eat? A practical list
Puppies don't need a wide variety of ingredients — they need a well-tolerated, nutritionally balanced diet made up of:
- a high-quality, easily digestible protein source
- suitable carbohydrate sources
- well-tolerated vegetables
- fats used in the right amounts
- small, easily digestible treats for training and daily life
Avoid introducing too many different foods at once — and especially not multiple protein sources, including through treats. If a food allergy develops later on, you'll want enough untried proteins available for an elimination diet.
What should puppies not eat?
Curious little explorers that they are, puppies tend to put everything in their mouths. That's why you need to be extra careful as a dog owner. Keep an eye on food, medications, cleaning products, toxic houseplants and anything else that could be chewed or swallowed.
We've put together a full list of foods to avoid in our article "What is toxic for dogs?". You'll also find a handy downloadable reference sheet for the fridge so the most important no-gos are always at hand.
Cooking for puppies: what to keep in mind
Home cooking is a genuinely good option for puppies: you know exactly what goes into the bowl, you can choose fresh ingredients and tailor every meal to your dog's individual needs. Freshly cooked food is highly digestible and free from unnecessary fillers or preservatives. Compared to dry food, wet food or other commercial options, cooking at home lets you address your dog's specific requirements directly.
With LuckyChef, cooking for your puppy becomes simple and safe. You choose fresh ingredients; we make sure the recipes and puppy supplement are precisely calibrated to your dog's needs. All you have to do is set up your dog's profile once — breed, age, body weight, activity level. Update it every two weeks and the portion sizes grow with your puppy automatically. For many dog owners, fresh feeding is a premium alternative to commercial puppy dry or wet food.
To make sure your puppy gets everything it needs, we've created the Complete Puppy recipe — designed for all growing dogs from week 8 onwards.
Common puppy feeding mistakes
Good intentions don't always translate into good practice — especially during the growth phase, where small mistakes can have lasting consequences. The most common pitfalls include:
- Overfeeding because appetite is mistaken for actual need — without calculating the right daily portion.
- Not counting treats, chews and training snacks as part of the daily ration.
- Cooking by feel rather than planning to meet nutritional requirements.
- Providing calcium, phosphorus and trace elements in the wrong ratio — or overdosing them.
- Switching foods too often or introducing too many new ingredients at once.
- Feeding too much energy and pushing growth to accelerate faster than it should.
Summary: feeding puppies for healthy growth
Puppy Bruno has come a long way since he first arrived — and so has his owners' confidence. Anyone who pays attention to their puppy's needs and adjusts the diet as it grows is laying the foundation for a healthy life with every single meal. Whether you choose freshly cooked food, wet food or dry food: what matters most is a well-balanced diet and the right portion size for your dog.
