Bulletproof Unflavored Collagen Peptides Powder, 20g Grass-Fed Collagen Protein and Amino Acids for Skin, Bones and Joints, 17.6 Ounces

Customers find the collagen powder blends well with no taste and dissolves easily in coffee. The product receives positive feedback for its quality and effectiveness, with customers reporting immediate positive changes in skin and joints, and muscle soreness reduction. They appreciate its versatility as a coffee addition, and one customer mentions it works well in banana pudding smoothies. Opinions on value are mixed, with some finding it well worth the price while others consider it expensive.