Be sure you are eating enough. One of the biggest mistakes made is not eating enough to support growth development and activity encourage the body to use fat stores instead of holding on to them. This Ask the Expert question will explain why it is so important to eat within your Spark calculated ranges and for them to be accurately set up to reflect your activity.
If I consume fewer calories than my plan recommends, will I lose weight faster? teens.sparkpeople.com/community/ask_the_ex