The suggestion to the client will be intake of protein rich diet in the case of a middle-aged adult which reports fatigue and decreased strength in the limbs.
What is Protein?
This is referred to a biomolecule which contains chains of amino acids and is referred to as the building block in the body system.
Protein will help to build up the muscles which are responsible for the different activities of the body thereby making it stronger and denser in this scenario.
Read more about Protein here https://brainly.com/question/10058019
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