First of all, protein drinks are mostly harmful and do not boost your metabolism.
Fat burners are a scam.
At 59, hormonal status should be assessed, particularly thyroid function.
Also, sex hormones and adrenal function.
The doctors trained in this assessment are functional medicine trained.
They can be found here
You should be on a nutrient dense , anti inflammtory diet.
Inflammation is a key component in the diet responsible for weight gain.
Protein drinks contribute to inflammation.
OK, so that is an initial answer….
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