The Final-Hour Amazon Prime Day Fitness Deals Worth Shopping, According to Editors

Vital Proteins Collagen Peptides Powder ($36, originally $51)

This collagen-infused peptides powder is a favorite among Popsugar editors and celebrities alike — it's even one of Jennifer Aniston's must haves. Collagen is said to have a number of health benefits, and this particular wellness supplement is designed to support the body's natural collagen production, which can ultimately improve the quality of hair, skin, and joint mobility. See the full product details in our Vital Proteins Collagen Peptides Powder review.

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, fitness former senior editor