11 Things That Sold Like Hotcakes on Prime Day 2021

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Amazon Prime members scored big on Prime Day 2021, saving more money than ever during the two-day mega-sale.

They also shopped more than ever, buying more than 250 million items across 20 countries, Amazon announced.

In addition to the deeply discounted Amazon devices, everything from kitchen appliances to dental care products were hot items on Prime Day, which ran from June 21 through June 22.

Specifically, the following items were among the most popular with Prime members this year, according to Amazon.

1. Fire TV Stick 4K

Amazon's Fire TV Stick 4K is a streaming device that gives you access to 4K video from streaming services like Netflix, Apple TV, HBO and more (assuming that you subscribe to them). It also comes with an Alexa Voice Remote, offering a variety of voice-activated controls.

2. Apple cider vinegar gummies

Goli Nutrition's apple cider vinegar gummies are formulated with real apples and are free of GMOs, gluten and gelatin. One bottle supplies 60 vegan gummies.

3. iRobot Roomba 692

Let the iRobot Roomba 692 navigate around your home to clean carpet and hard floors. The smart vacuum automatically adjusts to different surfaces and runs for up to 90 minutes on one charge.

4. Keurig K-Slim

This sleek, compact coffee maker brews one serving of 8, 10 or 12 ounces. Even though it measures less than 5 inches wide, the Keurig K-Slim has a 46-ounce water reservoir.

5. Instant Pot Duo Plus

The Instant Pot Duo Plus serves as nine appliances in one and offers 15 smart programs for one-touch cooking. Use it to pressure cook, slow cook, sous vide and more.

The 6-quart model was especially popular in the U.S. on Prime Day, but the Duo Plus also is available in 3-quart and 8-quart sizes.

6. Health and ancestry DNA test

The 23andMe Health + Ancestry Service provides health predisposition reports, gene carrier status reports, wellness reports and more.

7. Crest 3D White Professional Effects Whitestrips

Crest 3D White Professional Effects Whitestrips come in a variety of options, including an Express Whitening kit and a formula specially designed for sensitive teeth. (Amazon did not specify which particular kit was most popular on Prime Day.)

8. Waterpik electric water flossers

Enjoy advanced water flosser technology with Waterpik's electric water flossers. Amazon did not specify which particular model was most popular on Prime Day, but certain models have earned the American Dental Association’s Seal of Acceptance and come in a few different colors and sizes.

9. Organic plant-based protein powders

Orgain's organic plant-based protein powders are made without genetically modified ingredients, gluten, soy or added sugar. They are available in several flavors — including vanilla bean, creamy chocolate fudge and chocolate coconut — and an unflavored option.

10. Fire TVs

Fire TVs from Toshiba and Insignia come with Alexa voice remotes, so you can search for shows, launch apps, play music and more with just the sound of your voice. Fire TVs come in various sizes to suit any room of your home.

11. Fire tablets

Amazon's Fire tablet computers are designed for convenience and portability. Use one of these tablets to watch movies, listen to podcasts, play games, read digital newspapers and so much more.

There are several Fire tablet models, including options designed for children, but they all feature a high-definition screen and at least 16 GBs of storage. (Amazon did not specify which particular model was most popular on Prime Day.)

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