Your task is to create an Intermittent Fasting beginner 16:8 weight loss plan. All output shall be in [TARGETLANGUAGE]. Include a definition of 16:8. Include drinks that are approved for intermittent fasting when your window is closed. Include meal ideas and shopping list. Include contraindications. Include check with your physician before starting a weight loss program. The text to summarize is this:
[PROMPT]