I'm a Deals Writer, and These Are the Last-Minute Prime Day Discounts Worth Shopping

Vital Proteins Collagen Peptides Powder ($32, originally $47)

On sale for over 30 percent off this Prime Day, this collagen-infused peptides powder is the "secret weapon" for both PS editors and celebrities like Jennifer Aniston. It boasts vitamin C to support natural collagen production and hyaluronic acid to hydrate skin and increase joint mobility. According to our editor's review of Vital Proteins Collagen Peptides Powder, the supplement lives up to the hype.

Editor Quote: "I love the collagen powder for its ability to add a hearty dose of protein to anything I'm eating or drinking — it transforms a black coffee or low-protein veggie soup into something that's more satiating and protein-packed." — Christina Stiehl, former senior editor, Fitness