Best Protein Bars Ranked
18 bars compared by protein density, price, and dietary needs.
Quick picks: 🥇 Best density: David Gold (18.7g/100cal) · 💰 Best value: Kirkland ($1.10/bar) · 🎯 Best for 30/30/3: No Cow (20g protein + 15g fiber)
Best Bars for the 30/30/3 Protocol
The 30/30/3 protocol targets 30g protein and 30g fiber daily. These bars deliver on both:
Best for Weight Loss
Highest protein per calorie:
Best for Muscle Gain
Highest total protein:
18 Bars Ranked by Protein Density
g protein per 100 calories| Rank | Brand | Best Bar | Protein | Cal | Density | Fiber | Sugar | Price |
|---|---|---|---|---|---|---|---|---|
🥇 | David Gold | Any flavor | 28g | 150 | 18.7 | 1-2g | 0g | $3.00 |
🥈 | David Bronze | Double Chocolate | 20g | 150 | 13.3 | 5g | 0g | $3.00 |
🥉 | Pure Protein | Chocolate Deluxe | 21g | 180 | 11.7 | 2g | 3g | $1.33 |
4 | Built Bar | Cookies 'n Cream Puff | 17g | 150 | 11.3 | 0g | 7g | $2.50 |
5 | Quest | Choc Chip Cookie Dough | 21g | 190 | 11.1 | 12g | 1g | $2.75 |
6 | Kirkland (Costco) | PB Chunk | 21g | 190 | 11.1 | 15g | 2g | $1.10 |
7 | Barebells | Caramel Cashew | 20g | 200 | 10.0 | 3g | 1g | $3.50 |
8 | No Cow | Choc Chip Cookie Dough | 20g | 200 | 10.0 | 15g | 1g | $2.99 |
9 | ONE Bar | S'mores | 20g | 210 | 9.5 | 8g | 1g | $1.87 |
10 | think! | Brownie Crunch | 20g | 230 | 8.7 | 2g | 0g | $2.80 |
11 | Ready Clean | Choc Chip Cookie Dough | 15g | 180 | 8.3 | 8g | 5g | $2.50 |
12 | KIND Protein MAX | Peanut Butter | 20g | 250 | 8.0 | 9g | 1g | $2.99 |
13 | Fit Crunch (Robert Irvine) | Peanut Butter | 30g | 380 | 7.9 | 2g | 6g | $2.17 |
14 | Clif Builder's | Choc PB | 20g | 290 | 6.9 | 2g | 17g | $1.66 |
15 | Power Crunch | French Vanilla | 14g | 220 | 6.4 | <1g | 5g | $1.50 |
16 | RXBar Layers | PB Chocolate | 15g | 250 | 6.0 | 3g | 13g | $2.00 |
17 | Aloha | PB Chocolate Chip | 14g | 240 | 5.8 | 10g | 5g | $2.92 |
18 | Gatorade | Chocolate Chip | 20g | 360 | 5.6 | 2g | 29g | $1.25 |
19 | Perfect Bar | Peanut Butter | 17g | 340 | 5.0 | 3g | 19g | $3.00 |
Make Your Own 30g Protein Bar
Homemade protein bars cost about $1.88 per bar for 30g protein - cheaper than most store-bought options and you control every ingredient.
No-Bake 30g Protein Bars
Makes 8 bars
Ingredients
- •2 cups oats (16g protein)
- •1 cup peanut butter (64g protein)
- •4 scoops whey protein powder (~100g protein)
- •1/3 cup honey
- •1/4 cup chocolate chips (optional)
Directions
- 1.Mix oats, protein powder, and peanut butter in a large bowl
- 2.Add honey and stir until combined
- 3.Press into a parchment-lined 8x8 pan
- 4.Refrigerate 2 hours, cut into 8 bars
Per bar: ~30g protein, ~350 cal, ~5g fiber
Total cost: about $15 for 8 bars ($1.88/bar)
Where to Find the Best Protein Bars
Costco
Best picks: Kirkland Signature ($1.10/bar), Quest (bulk pricing), Built Bar (occasional), Perfect Bar (bulk)
Why shop here: Lowest per-bar pricing. Kirkland bars are exclusive to Costco.
Walmart
Best picks: Pure Protein ($1.33/bar), Quest, Fit Crunch, Gatorade ($1.25/bar), Power Crunch
Why shop here: Widest selection of budget bars. Great for trying single bars before committing to boxes.
Amazon
Best picks: Everything. Most brands sell 12-packs with Subscribe & Save discounts.
Why shop here: Subscribe & Save typically saves 5-15%. Useful for brands not in your local stores (David, Built Bar).
Trader Joe's
Best picks: TJ's branded protein bars
Why shop here: Worth checking their house brand - not in our comparison data but often good value.
Best Tasting Protein Bars
Taste is subjective, but these brands consistently get the highest flavor ratings: Barebells (candy bar taste, Swedish recipe), Built Bar (marshmallow puff texture, dessert-like), and Perfect Bar (refrigerated, fresh nut butter taste).
For chocolate lovers, David Gold and Fit Crunch both deliver rich chocolate flavor with high protein. Quest and Kirkland taste similar to each other - dense, chewy, functional.
The tradeoff is real: the best-tasting bars (Barebells at $3.50, Perfect Bar at $3.00) tend to cost more. Budget-friendly Pure Protein and Kirkland are "fine" but won't win flavor awards.
Frequently Asked Questions
Quest bars offer the best overall profile: 21g protein, 12g fiber, 1g sugar, and 190 calories. No Cow is the healthiest vegan option with 20g protein and 15g fiber. Kirkland delivers nearly identical nutrition to Quest at less than half the price.
Fit Crunch (Robert Irvine) bars have 30g protein per bar - the highest of any brand we tested. David Gold bars have 28g in only 150 calories, giving them the best protein-to-calorie ratio at 18.7g per 100 calories.
Protein bars are a convenient way to add protein to your diet, but they vary widely in quality. Look for bars with 20g+ protein, under 5g sugar, and minimal artificial ingredients. Avoid bars with 15g+ sugar - at that point you're eating a candy bar with added protein.
Kirkland Signature at $1.10 per bar (21g protein) from Costco. Pure Protein at $1.33 per bar (20-21g protein) is the best budget option at regular grocery stores. Gatorade at $1.25 per bar has 20g protein but 29g sugar.
Look for high protein density (protein per 100 calories). David Gold (18.7g/100cal), Pure Protein (11.7g/100cal), and Quest (11.1g/100cal) give you the most protein with the fewest excess calories. Avoid Gatorade (29g sugar), Clif Builder's (17g sugar), and Perfect Bar (19g sugar).
No Cow (20g protein, 15g fiber, dairy-free) is the top vegan pick. David Bronze (20g protein, 150 cal, zero sugar) has the best vegan protein density. Aloha (14g protein, 10g fiber) is the best organic vegan option.
Kirkland Peanut Butter Chunk (15g fiber), No Cow (15g fiber), and Quest (12g fiber) lead the pack. Aloha (10g) and KIND Protein MAX (9g) are also strong. Most other bars have 0-3g fiber.
Nutritionally, they're nearly identical. Kirkland: 21g protein, 190 cal, 10-15g fiber. Quest: 21g protein, 190 cal, 12g fiber. The main differences are price (Kirkland is 60% cheaper at $1.10 vs $2.75) and availability (Kirkland requires a Costco membership). Taste is similar - dense and chewy.
Built Bar shifted from their original bar format to "Puff" bars with a marshmallow-like texture. The Puffs have 17g protein and 150 calories with 0g fiber. They're still popular for their taste and low calorie count, but the protein is lower than many competitors.
Yes. A basic no-bake recipe with oats, peanut butter, and protein powder costs about $1.88 per bar for 30g protein. That's cheaper than all but Kirkland and Gatorade, and you control the ingredients. See our recipe above.
Find the Right Bar for Your Goals
Use our comparison table above to filter by your priorities - protein, price, fiber, or dietary needs. Or explore whole food protein options.
Need protein on the go? Check our high protein snacks guide