The essential chemical that can only be obtained from consuming protein is amino acids.
Protein is an essential nutrient, made up of any one or more of 20 amino acids depending on where this protein source comes from. Protein is considered a macro-nutrient.
cats
cats
Both fats and protein is essential for the human body. Carbohydrates are not essential. So the answer is protein and fats.
A measure of the essential amino acid content of a protein relative to the essential amino acid needs of the body determines the quality of a protein.
Protein
Yes protein is essential for a human diet, you must eat protein daily.
Protein = muscle. Protein has nutrients that are essential to your health, especially iron.
protein (sperm)
Protein
protein