Hi
If you are vegetarian then u can meet ur protein requirements with food like tofu,cheese, paneer,dals, multi grain flour, nuts.
That will be sufficient for ur requirements and ur sedentary worker not doin any workout so protein supplement will not be ok.
But if you still want to look for protein supplement then look for few things in the supplement
1) source off protein whey, peas, etc
2) The amount off protein per scoop.
3) The source off carbohydrates synthetic or non synthetic
4) Mico nutrient in the supplement.
5) fat percentage off the supplement
6) The source off
sugar percentage in the supplements synthetic or non synthetic.
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Dt.Shazia Majid newyoubyshazia.knowyourfood.in