Answer:
Randomly hopped on your profile. No clue what this means but I need some points so this is going to be considered a very smart answer.
Explanation:
The correct answer is B.
Diet books and supplements cannot guarantee long-term success. For starters everyone is different and what might work for one person might not work for another. Diet books tend to be a mixture of personal opinion and healthcare facts and it's difficult to know what to completely trust. Most of the books and supplements tend to be based on current trends also and many have turned out to be inefficient.
