Prime Day 2023 most popular deals: Bestselling products our readers are scooping up

Our pick for the best-tasting whey protein powder, the Optimum Nutrition Gold Standard 100% Whey Protein Powder packs 24 grams of protein into each serving. At a rare 36% off for Prime Day, this is a great time to stock up on a range of discounted flavors.

The Bissell Little Green is a must-have product for pet parents and busy homes with young children. Despite its compact appearance, it's powerful enough to suck up stains and remove odors from your floors and furniture. Prime members can grab one on sale for $86, which is among the better prices it's been at Amazon in recent years.

If you're still using traditional dental floss, it might be time to switch up your routine. This cordless waterpik removes over 50% more plaque than traditional flossing. Though it normally retails for nearly $100, it's on sale for $54.99.

This lightweight formula leaves dry-to-combination skin with a natural dewy glow. Its key ingredients include turmeric root extract and oils from cranberry seed, jojoba seed, and evening primrose. For Prime Day 2023, you can try the Sunday Riley C.E.O. Glow Vitamin C Serum for $12 less than its usual $40 price tag, matching Amazon's all-time best offer on this oil.

The incredibly popular Yeti Rambler keeps your drinks hot or cold with vacuum-insulated stainless steel. For Prime Day, select colors are on sale for the lowest price we've ever seen — $24.50.

The Apple Watch Series 8 builds on its predecessor with a new temperature sensor, car crash detection, and low-power mode in addition to its other smartwatch functions. Amazon has discounted the 41mm Series 8 to $299, an all-time low price. Read more about this powerful fitness and health tracker in our Apple Watch Series 8 review.

Though it lacks 4K resolution and other advanced features, this TCL display is one of the most affordable 40-inch Roku TVs you can buy. It's down to an all-time low of just $150 for Prime Day.

This adjustable pillow has been the top pick in our guide to the best pillows for several years running. We regularly see this pillow drop to its lowest price on Prime Day, and this year is no exception. You can snag it for 25% off today only.

This deep hydrating 2-in-1 toner and moisturizer is a must for a complete skincare routine. Usually, it's priced around $33 to $36, but during Prime Day, you can get it for around $25.