Respuesta :
Marcy should say no. If marcy wants to try it then do it by all means. But if her friend is urging her to do that, its basically peer pressure. So unless she WILLINGLY wants to, then no she should not.
Answer:
She should say no
Explanation:
If Marcy wants to lose weight she should first of all consult a doctor. Each body works in a different way and If that protein supplement worked well in Marcy's friend, it doesn't mean it will work well in her body as well.
The better way to lose weight is taking a diet program with a specialist and exercising.