For a baby kitten, what you feed depends a lot on age and whether it still has a mother.

1. Newborn to 4 weeks (unweaned)

  • Feed only specialized kitten milk replacer , not cow’s milk, goat’s milk, or human baby formula, which don’t meet their nutritional needs and can cause digestive upset.
  • Use a small nursing bottle or syringe; the amount and frequency depend on age and weight and are usually every 2–3 hours at first, gradually lengthening overnight as the kitten grows.
  • Warm the formula to body temperature and keep the kitten warm while feeding, as very young kittens cannot regulate their body temperature well.
  • Hold the kitten on its belly (never on its back like a human baby) to reduce aspiration risk.
  • After feeding, gently stimulate the genital area with a warm, damp cloth to help the kitten pee and poop until around 3–4 weeks of age.

2. 4 to 8 weeks (weaning stage)

  • Around 4 weeks, start offering a gruel : high‑quality wet kitten food mixed with kitten milk replacer into a soupy mash.
  • Let the kitten explore the dish; still offer bottle feeds and gradually reduce bottle as the kitten eats more solids.
  • Choose foods labeled specifically as kitten diets, which are higher in protein, fat, minerals, and calories than adult cat food to support rapid growth.
  • Feed small, frequent meals (3–4+ times a day), and keep fresh water available, even though they still get some fluids from milk and wet food.

Example simple daily pattern (5–6 weeks)

  1. Morning: Gruel of wet kitten food + kitten milk replacer.
  2. Midday: Same gruel or slightly thicker wet food.
  3. Evening: Wet kitten food, with a little formula if the kitten still wants to nurse.

3. 8 weeks and older (fully on solids)

  • By 8 weeks, most kittens can eat primarily solid kitten food ; wet food is often easiest to digest and helps keep them hydrated.
  • You can offer a mix of wet and dry kitten food; both should be labeled “complete and balanced” for growth or “all life stages” with kitten‑appropriate nutrients.
  • Kittens at this stage typically need several small meals daily and more calories than adult cats because they grow quickly and are very active.

Safe extras in tiny amounts (once weaned)

  • Plain cooked meats like chicken, turkey, or fish, with no seasoning or bones, can be occasional treats for extra protein.
  • A little plain scrambled egg without salt, pepper, or sauces can provide extra vitamins and amino acids as an occasional treat.
  • Very small tastes of cooked squash or pumpkin can support digestion, but these should never replace balanced kitten food.

4. What not to feed a baby kitten

  • Cow’s milk, goat’s milk, or human infant formula (too low in fat and unbalanced; often causes diarrhea).
  • Adult cat food as the main diet, because it lacks the higher protein, fat, and specific mineral levels kittens need.
  • Raw meat, fish, or eggs, due to bacteria and parasites, unless you’re working closely with a vet on a safe plan.
  • Onions, garlic, chocolate, caffeine, alcohol, bones, seasoned or salty foods, and any human junk food, which can be toxic or dangerous.

5. Quick “what to feed” checklist by age

  • 0–4 weeks: Kitten milk replacer only, by bottle or syringe.
  • 4–5 weeks: Kitten milk replacer + wet kitten food made into gruel.
  • 5–8 weeks: Mostly wet kitten food, possibly with some formula, offered several times a day.
  • 8+ weeks: Wet and/or dry kitten food labeled for growth, multiple small meals each day plus fresh water.

If your kitten seems weak, won’t eat, has diarrhea, or you’re unsure of its exact age, contact a vet or emergency clinic as soon as possible; very young kittens can become dangerously ill quickly.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.