Sports Research Whey Protein Isolate – Sports Nutrition Protein Powder 25g per Serving – 5lb Bag Whey Protein – Dutch Chocolate Bulk Protein Powder, 60 Servings

Customers find this protein powder to be of high quality and appreciate its taste, with one noting it's not overly sweet. The powder mixes well with both milk and water without clumping, and they consider it good value for money. While some customers report no stomach issues, others experience stomach cramps and gas. The ingredients and nutritional content receive mixed reviews, with concerns about potential lead contamination and high fat content.