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Author: Lauren Parchi

What is protein?

Protein is one of 3 macronutrients on which our diets are built (along with carbohydrates and fat) (1). It’s essential to almost every physiological process in the body, including, but not limited to, growth and repair (1). Protein is particularly important for children’s growth, neurodevelopment and long-term health (2).

Protein consists of 20 amino acids (1), 11 of these are known as non-essential amino acids and can be made by the body, whilst the other 9, known as essential amino acids, must be obtained externally through diet (1). Amino acids form together in long chains to create the building blocks of protein and are present in all living cells exerting both functional and structural properties (1). Functionally, the body can break down tissue proteins into amino acids and utilise them for energy or glucose production (1). Some proteins can act as enzymes to support digestion, the building of bones and glucose production, whilst certain hormones such as insulin and glucagon use proteins to help regulate blood glucose levels and human growth hormone (3).

Why is protein so important for growing kids?

Brain growth and development relies on a high rate of protein synthesis (2). The amino acids that make up proteins, for example arginine and leucine, are required to synthesise crucial signalling molecules such as neurotransmitters and determine neuronal complexity (2). These amino acids also function to create other compounds, such as creatine, which is a key marker of kidney function, and peptide hormones which exert effects on the endocrine system (2). Research has highlighted the importance of protein for infants, with preterm babies who have higher protein intakes displaying greater head circumference growth and improved neurodevelopmental outcomes compared to those with lower levels of protein at birth (2). Furthermore, animal studies have demonstrated the effects of amino acid deficiency, in particular leucine, on decreased neurodevelopment (2).

How much protein does a child need?

Public Health England recommends the following protein requirements, based on age/gender:

  • 4-6 years old - 19.7 grams per day
  • 7-10 years old - 28.3 grams per day 
  • 11-14 years old
    • Males - 41.2 grams per day
    • Females - 42.1 grams per day 

Best sources of protein:

Protein is present in both animal and plant foods. Whilst the amino acids found in animal proteins is closer to that of humans, all of the essential amino acids can be obtained from plant sources as well (1).

 Some of the highest sources of protein include:

  • Chicken (32g per 100g)
  • Pork (31g per 100g)
  • Tuna (29g per 100g)
  • Firm Tofu (17g per 100g)
  • Lentils (9g per 100g)
  • Yoghurt (5.7g per 100g)
  • Cheese (Parmesan) (35g per 100g)
  • Pumpkin Seeds (29g per 100g)
  • Eggs (12g per 100g) (5)

    How can I increase protein in my child’s diet?

    Whilst your child may be having three meals a day, they may not be consuming protein with each meal. One of the best ways to increase protein in your child’s diet is through snacks either side of meals. Here are some of our top tips to increase protein in your child’s diet!

    • Add cheese to bread or crackers and use it to top baked potatoes and vegetables.
    • Blend tofu or plain Greek yoghurt with melted chocolate to create a creamy chocolate mousse.
    • Add yoghurt to smoothies.
    • Store hard-boiled eggs in the fridge to have on hand as a quick handheld snack.
    • Create cut-outs of cheese slices, ham and sandwiches using fun shaped cutters.
    • Sprinkle seeds or nuts on fruit and yoghurt.
    • Add peanut butter or almond butter on toast, fruit or blend into a smoothie.
    • Add one serving of Kids Good Stuff to 250ml water or milk of choice. Alternatively, you can add Kids Good Stuff to a fruit smoothie or your child’s favourite baked goods.

    Kids Good Stuff contains 8g of pea protein isolate, which is an effective, kid-friendly dose of high-quality protein. Pea protein isolate is vegan, gluten, soy, and dairy-free, and is also free-from common allergens including peanuts and egg, making it a low-allergen, safe option for children. It has an absorption rate of over 89% and contains all 9 essential amino acids, including leucine, which is needed for human growth and development.

    Kids Good Stuff is the perfect addition to your child’s diet, providing protein along with 11 fruits and vegetables to support optimal growth and development. 

     

    References: