How much protein do I need?

So this is a hotly debated topic. Some people spout protein as the best thing since sliced bread and others fear it like the devil. I used to be all about high protein. I was eating somewhere between 120 - 130g of protein per day. Now I eat somewhere between 60-70 grams per day so almost half of what I used to eat so as you can see I've been at both ends of the spectrum.

Let's firstly start with what is protein?

Protein occurs in all living cells and are made up of groups of amino acids joined together. They are classified as either essential (cannot be made by the body in large enough quantities so we need to consume them) or non essential (can be made by the body). The 9 essential amino acids are Histidine, Iosleucine, Leucine, Lysine, MAthionine, Phylalanine, Threonine, Tryptophan and Valine. The non essential amino acids are Alanine, Asparagine, Aspartic acid, Arganine, Cystine, Glutamine, Glycine, Glutaminc acid, Serine and proline.

40% of the body's stores of protein are found in the muscle, 25% in the organs and the rest in the skin and blood. Ensuring that we consume enough protein per day is vital as they have roles in building muscle, blood and skin, can act as enzymes to help the digestion of food, as hormones, helps to regulate fluid balance and as a source of energy and also keeps you fuller for longer.

Where is protein found?

Protein can be found in a variety of sources and the main one which everyone knows about it animal products such as lean red meats (beef, pork, lamb ad ve