1: Avoid guarana to support weight loss goals as it can increase heart rate and blood pressure.

2: Steering clear of bitter orange is recommended due to potential negative effects on metabolism.

3: Stay away from CLA supplements, as studies show minimal impact on weight loss.

4: Forskolin supplements are not proven to aid in weight loss, caution dietitians.

5: Yohimbe can lead to adverse side effects and should be avoided for weight loss.

6: Avoid raspberry ketones, as research shows no significant impact on weight loss.

7: Garcinia cambogia may not be effective for weight loss, suggest dietitians.

8: African mango supplements lack evidence to support weight loss goals, dietitians advise.

9: Chitosan supplements may interfere with nutrient absorption and hinder weight loss efforts.