How many Amino Acids are deemed essential nutrients that must be acquired through diet?
Answer
Nine.
Proteins are complex structures built from smaller units called amino acids. While the body possesses the capability to synthesize many of these amino acids internally to meet its structural and regulatory needs, a specific subset cannot be produced in adequate quantities, or at all. This critical subset consists of exactly nine amino acids that must be obtained directly from dietary sources to ensure normal physiological function. These essential amino acids are foundational not only for building enzymes and hormones but also for maintaining the physical integrity of tissues like muscle, skin, and bone.
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