Collagen Powder: Vital Proteins Collagen Peptides Looking to strengthen your hair and nails, or add a little more protein to your diet? You need the Vital Proteins Collagen Peptides ($30); it's unflavoured, so you can add it to your coffee, smoothies, or oatmeal and not taste a thing. Image Source: target.com Vital Proteins Collagen Peptides $30 from target.com Buy Now