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Vital Proteins Collagen Peptides Powder ($19, originally $27)

Collagen is said to provide a number of health benefits, especially when regularly incorporated into your diet. Perhaps that's why athletes and wellness gurus alike can't seem to get enough of this collagen peptides powder from Vital Proteins. The formula is easy to add into drinks like water or tea, plus it provides a number of skin- and hair-boosting benefits.