Question

Readers who purchase singer/actress Jennifer Hudson's I Got This: How I Changed My Ways and Lost What Weighed Me Down will most likely read about
things that worked for Hudson, but might not work for them
things that worked for Hudson and will work for them
advice from Hudson that they need to achieve their goals
advice from Hudson that will help them create a healthy lifestyle

Answer 1

Readers who purchase singer/actress Jennifer Hudson's I Got This: How I Changed My Ways and Lost What Weighed Me Down will most likely read about advice from Hudson that will help them create a healthy lifestyle. As it's adressed to women who are worried about their weight. 

Answer 2

It isn't advice from Hudson that will help them create a better lifestyle. NOT D!  Just took it.