Personalized health review for Kirkland Signature Protein Bar, Variety Pack: 190 calories, nutrition grade (B plus), problematic ingredients, and more. Enjoy low warehouse prices on name-brand Protein, Breakfast & Snack Bars products. There are 100 calories in 1 bar (24 g) of Kirkland Signature Soft & Chewy Granola Bars. Free shipping. Kirkland Signature Protein Bars Chocolate Peanut Butter Chunk 2.12 oz, 40 Bars. Learn the good & bad for 250,000+ products. Price for the 20 Kirkland protein bars I received from the supplier on Amazon was $12 more than purchase price at Costgo for the same 20 Kirkland Protein Bars … $42.89. Free shipping. 52 sold. Find a great collection of Kirkland Signature Protein, Breakfast & Snack Bars at Costco. Kirkland … $51.97. I had to pull on each protein bar while eating it to break off pieces. 2 Packs Kirkland Signature Chewy Protein Bars 42 Bars 59.2 OZ Each Pack. Personalized health review for Kirkland Signature Chewy Protein Bars, Peanut Butter & Semisweet Chocolate Chip: 190 calories, nutrition grade (C), problematic ingredients, and more. Learn the good & … : Calorie breakdown: 23% fat, 73% carbs, 4% protein.