Clear Quartz: Symbolic to being a transparent crystal, helps to make right food choice. 

Hematite: Enhances willpower, helping to conquer overeating and overindulgence. 

Howlite: Helps to maintain cholesterol levels & increase metabolism. 

Red Jasper: Has a strong spiritual grounding vibration. Often used for detox cleansing. 

Obsidian Black: Reduces cravings and helps to improve the bodies digestion and waste elimination process. 

Lapiz Lazuli: Helps to regulate your metabolism and reduces the fat levels in ones tissue.

This is just a spiritual support - its not meant to replace any medical advice or treatment.