That’s enough to keep anyone’s nutritionist happy. However, remember that a protein bar is not 100% protein and any calories that you bar contains from carbs and fat will ultimately be stored as fat which could lead to unwanted weight gain. At just 150 calories, the Julian bar … The Julian Pegan bar contains 20g of protein with 3g of net carbs and less than 1g of sugar. CLIF BAR - Energy Bars - Best Sellers Variety Pack - (2.4 Ounce Protein Bars, 16 Count) Packaging May Vary 4.7 out of 5 stars 7,522 $18.99 $ 18 . Quest Nutrition: Check the current price 2. Wow! These protein bars are full of fiber: 13 grams worth, to be exact. 99 ($1.19/Count) Julian Bakery, Pegan Thin Protein Bar, Vanilla Cinnamon Twist | Best for Weight Loss. While there's no substitute for a balanced diet, sometimes it's hard to get all the protein you need to gain weight, so a protein bar may help bump up calories. 3. So go ahead and use protein bars … The Built Bar has an excellent balance of protein (15 grams per bar) and fiber (6 grams per bar), making it great for a wide variety of purposes: workout recovery, weight loss, or meal … QUEST Bar. Add these to fuel your day with 20 grams of protein. These bars are great for anyone looking to bulk up, gain weight or gain …