Certain drink mixer Crossword Clue

 The answer to the crossword clue "Certain drink mixer" is CARBONATED WATER.

Carbonated water is water that has been infused with carbon dioxide gas. This gives the water a fizzy texture and a slightly sour taste. Carbonated water is often used as a mixer for cocktails and other alcoholic beverages, but it can also be enjoyed on its own.

Carbonated water is also known as sparkling water, seltzer water, or club soda. It is available in a variety of brands and flavors, and can be found at most grocery stores and convenience stores.

Here are some of the benefits of drinking carbonated water:

It can help to hydrate the body.

It can help to improve digestion.

It can help to reduce inflammation.

It can help to boost the immune system.

It can help to improve mood and cognitive function.

If you are looking for a healthy and refreshing drink, carbonated water is a great option. It is also a good choice for people who are trying to reduce their sugar intake, as it is calorie-free and sugar-free.

I hope this helps!