Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to add vitamins to water [title] Use supplements only as necessary. [step] You might find it hard to get enough vitamins and nutrients through your diet. While it's ok to add a multi-vitamin or supplements to your water, try and get as many of these as possible from foods.

Ending1: [substeps] Consult with your doctor before taking vitamins and supplements to ensure they are safe for you. Be aware of vitamin " megadoses, " which may be detrimental to your health. Ending2: [substeps] Many vitamins are highly absorbent and can lead to allergic reactions. Talk to your doctor before taking any vitamin supplements to prevent an allergic reaction. Ending3: [substeps] Make sure your water is whole and contains all of the vitamins your body needs to function properly. You can often read vitamin recommendation labels on the side of the bottle to find out exactly what is covered in your water. Ending4: In addition, try to refrain from adding too much to your water in general. [substeps] Refrain from adding more vitamins to your water than you need at a time.

Answer format: ending1/ending2/ending3/ending4