You can safely drink plain still water with your Invisalign trays in; everything else should wait until you pop them out.

Safe drinks with Invisalign in

While your aligners are on, keep it very simple to avoid staining, warping, and cavities.

  • Plain, cool or room‑temperature water (still) is the only drink that does not stain, warp, or trap sugar and acids under the trays.
  • Sipping water regularly also helps rinse food particles and keep your mouth hydrated while you wear the aligners 20–22 hours a day.

Drinks only with trays out

You can enjoy almost anything you like as long as you remove the aligners first, then clean your mouth before putting them back in.

  • Coffee, tea, red wine, cola, and colored sports drinks can heavily stain both teeth and trays, so they should only be drunk with trays out.
  • Soda, energy drinks, juices, smoothies, and sweetened coffees/teas are sugary and acidic, so they need trays out plus a rinse or brushing before you reinsert.
  • Alcohol (beer, wine, cocktails, clear spirits) is usually acidic and often sugary, so it should be treated like soda or juice: trays out, rinse, then back in.

“Grey zone” drinks people ask about

Some drinks seem harmless but still aren’t considered safe with aligners in.

  • Sparkling water and flavored water are often acidic, even when sugar‑free, and can slowly erode enamel under the trays.
  • Sugar‑free sodas and diet drinks still tend to be acidic and can stain trays, so they are not recommended with aligners in.
  • Unsweetened tea or black coffee can sometimes be sipped with trays out and then followed by water and brushing because of their strong staining potential.

Practical drinking tips during treatment

Managing drinks is a big part of keeping both your teeth and aligners in good shape.

  • Take aligners out, drink what you want, then rinse your mouth and trays, and brush when you can before putting them back in.
  • Try to “batch” your drinks with meals instead of sipping all day, so your teeth are not constantly bathed in sugar and acid.
  • Use a travel toothbrush and small toothpaste or mouthwash when you go out, so it’s easy to clean up after coffee or alcohol.

Quick TL;DR

  • With Invisalign in : only plain still water.
  • With Invisalign out : you can drink coffee, tea, soda, juice, alcohol, smoothies, etc., but always rinse (and ideally brush) before trays go back in.

Information gathered from public forums or data available on the internet and portrayed here.