RXBAR Nutrition Macros

Quick answer: All RXBARs contain 12g protein per bar, 200-220 calories, 22-24g carbs (12-15g sugar from dates, 4-6g fiber), and 9-11g fat. Official nutrition is identical across the lineup with minor flavor-to-flavor variation. Use this guide as the complete reference for every flavor’s exact macros, ingredient list, and how RXBARs compare to Quest, Built, and other protein bars.

RXBARs took the protein bar market by storm with radical transparency: the wrapper lists exactly what’s inside. “3 Egg Whites, 6 Almonds, 4 Cashews, 2 Dates, No B.S.” It’s refreshing in a category full of mystery ingredients and unpronounceable additives.

But whole food ingredients don’t automatically mean optimal macros. RXBARs prioritize ingredient quality over macro efficiency, resulting in a bar with decent protein (12g) but significant sugar (12-15g) from dates. Understanding this trade-off helps you decide if RXBAR belongs in your nutrition plan.

This guide covers every RXBAR flavor’s complete nutrition facts, compares them to competitors, and explains when whole food bars make sense for your goals.

RXBAR Macro Overview

All RXBARs share similar macros with minor variations:

Metric	Range Across Flavors
Calories	200-220
Protein	12g
Total Carbs	22-24g
Fiber	4-6g
Sugar	12-15g
Fat	9-11g

Key insight: The 12-15g sugar comes entirely from dates—no added refined sugar. But natural sugar still affects blood sugar and counts toward daily intake. RXBARs are cleaner, not lower-sugar.

RXBAR Top Flavor Comparison: Side-by-Side

There are 12+ RXBAR flavors in the lineup, but most people are choosing between the same 6 bestsellers. Here’s how the most popular flavors actually compare on the macros that matter — sugar, protein-per-calorie, and fat content. Sorted by lowest sugar first, which is the macro that distinguishes RXBARs from each other.

Flavor	Cal	Protein	Carbs	Sugar	Fat	Fiber	Protein-Per-Calorie	Best For
Peanut Butter	210	12g	22g	12g	9g	5g	5.7%	Lowest sugar, best fat profile
Coffee Chocolate	210	12g	22g	12g	9g	5g	5.7%	Pre-workout caffeine boost
Peanut Butter Chocolate	220	12g	22g	12g	10g	5g	5.5%	Best taste with low sugar
Chocolate Sea Salt	210	12g	23g	13g	9g	5g	5.7%	The classic best-seller
Chocolate Chip	210	12g	23g	13g	9g	5g	5.7%	Sweet tooth, balanced macros
Mint Chocolate	200	12g	23g	13g	9g	5g	6.0%	Lowest calorie chocolate flavor
Apple Cinnamon	200	12g	24g	14g	7g	6g	6.0%	Highest fiber (6g)
Blueberry	210	12g	24g	15g	8g	5g	5.7%	Highest sugar (skip on cuts)

Macro insight: Protein is identical across the entire lineup (12g) because the bars all use the same 3-egg-white base — flavor differences only shift carbs/sugar/fat by 1-3g. If you’re optimizing for the cleanest macro profile, Peanut Butter and Coffee Chocolate tie for best (lowest sugar, highest fat, same fiber). If you’re optimizing for taste, Chocolate Sea Salt remains the cult favorite. Blueberry is the worst pick for cutting — 15g sugar in a 210-cal bar is brutal sugar density.

RXBAR Format Comparison: Bars vs Oats vs Kids

RXBAR isn’t just one product. The Original bars, Protein Oats cups, and Kids bars have meaningfully different macro profiles — important if you’re choosing for breakfast vs snack vs kid’s lunchbox. Here’s how the three categories stack:

Format	Serving	Cal	Protein	Carbs	Sugar	Fat	Use Case
Original Bar (avg)	52g	210	12g	23g	13g	9g	On-the-go snack, paleo-friendly
Protein Oats Cup	60g	220	12g	32g	8g	6g	Breakfast replacement, lower sugar/higher carbs
Kids Bar	33g	125	7g	15g	8g	5g	Children’s snack, scaled-down portion
Original Bar (eaten as breakfast w/ Greek yogurt + berries)	DIY combo	360	27g	35g	22g	10g	Upgraded breakfast macro profile

Best macro hack: If you’re going to eat a Protein Oats cup, recognize it has 32g carbs and lower sugar than the bars (8g vs 13g). It’s not a snack — it’s a meal-sized breakfast.

Cooking & Preparation: How People Actually Use RXBARs

RXBARs are designed to be eaten straight from the wrapper, but the most common “preparation” hacks change the macros enough to matter. Here’s how the four most popular RXBAR usage patterns shift the numbers:

Method	Base	Added Cal	Final Protein	Final Carbs	Final Fat	Notes
Eaten straight, room temp	1 bar	+0	12g	23g	9g	Baseline (and the chewiest experience)
Microwaved 10 seconds	1 bar	+0	12g	23g	9g	Same macros, softer texture, warmer = more dessert-like
Crumbled over Greek yogurt	1 bar + 1 cup yogurt	+150	27g	33g	9g	Best macro upgrade — doubles protein, adds satiety
Baked into oatmeal cookies (1 bar + 1/2 cup oats + 1 egg white)	4 small cookies	+220	22g	50g	11g	A higher-protein cookie hack — see macro tradeoff
Pre-workout fuel (1 bar + 1 medium banana)	1 bar + 1 banana	+105	13g	50g	9g	Hits the 50g carb pre-workout mark for serious training

Key insight: RXBAR macros effectively don’t change with prep — what changes is what you stack them with. The single best macro upgrade is crumbling one over a cup of Greek yogurt: protein jumps from 12g to 27g, sugar stays roughly the same, and you double satiety.

Macros for Specific Goals

Weight Loss

RXBARs are a mid-tier weight loss bar — better than Clif (44g carbs, 21g sugar), worse than Quest (1g sugar, 21g protein). The math: at 210 calories and 12g protein, an RXBAR delivers about 5.7% protein-per-calorie efficiency. Whey protein hits ~80%. Chicken breast hits ~70%. Quest bars hit ~10.5%. So RXBARs are a convenience tax, not a macro win. That said, they work if you treat them strategically: as a meal-replacement when whole food isn’t possible, paired with 0% Greek yogurt to push the combined protein to 27g and satiety to actual-meal territory. If your daily protein target on a cut is 130g, one RXBAR delivers 9% of that. Not bad if it replaces a 600-calorie airport sandwich. Bad if it stacks on top of normal meals. Use our macro calculator to set cut targets, then check macros for weight loss to see where bars genuinely fit.

Muscle Gain

For muscle gain, RXBARs are surprisingly underrated. The “low” 12g protein per bar matters less when total daily calories are 2,800+, and the 23g carbs with 13g natural sugar from dates makes RXBARs a clean pre-workout option that won’t cause GI distress. The bulking move: 1 RXBAR + 1 medium banana + 1 scoop whey shake 60-90 minutes before training. That stack lands at ~445 cal, 37g protein, 65g carbs, 10g fat — almost identical to the macro recommendations in most sports nutrition pre-workout protocols. The egg white protein in RXBARs is also more bioavailable than soy-based bars, which matters if you’re chasing leucine thresholds. See our protein calculator and macros for muscle gain for full programming details.

Maintenance

At maintenance (2,000-2,400 cal for most active adults), RXBARs are a reasonable 1-per-day “clean snack” option. One bar (210 cal, 12g protein) eats up 9-10% of daily calories for 7-9% of protein — a balanced trade. The strategic use: bridge food. Eat one between lunch and a late dinner when you’d otherwise grab something worse. Eat one before a workout when you need 200ish calories of clean energy. The thing to avoid at maintenance: eating RXBARs as a daily habit — 7 bars per week is 84-100g of date sugar that could be coming from actual fruit. Bars solve a logistics problem; they’re not meant to be staples.

Common Mistakes People Make With RXBARs

1. Treating “natural sugar” as not-sugar. The 12-15g sugar in an RXBAR comes from dates, not refined sucrose — but your body metabolizes it identically. If you’re tracking total sugar or carbs, RXBARs are sugar bombs disguised as protein bars.

2. Comparing RXBARs to Quest bars on macros alone. They’re not the same product. Quest is engineered for max protein/min sugar; RXBAR is engineered for ingredient quality. Choosing RXBAR for macro efficiency is the wrong tool for the job — see our protein bars comparison for full breakdown.

3. Using RXBAR as a meal replacement on a cut. 210 calories with 12g protein and 13g sugar doesn’t have the satiety profile for a meal. Most people are hungry again in 60-90 minutes and end up eating a second snack — net calorie gain.

4. Buying flavored varieties expecting flavor-driven macro differences. All flavors are within 20 cal and 3g sugar of each other. Choose by taste, not by macros — the differences aren’t meaningful enough to optimize against.

5. Treating Protein Oats cups as “RXBAR-equivalent.” They have 32g carbs (vs 23g in bars) and are designed as breakfast meals, not snacks. People who grab a Protein Oats cup expecting bar-level macros end up surprised by the 220-calorie/32g-carb hit.

6. Eating RXBARs for “post-workout protein.” 12g protein is below the 20-25g threshold most research suggests for muscle protein synthesis. RXBARs are better positioned as pre-workout carb/protein than post-workout recovery. Use whey or a higher-protein option post-lift.

“RXBARs are a brilliant ingredient story but a mediocre macro story. I recommend them only as a convenience tool — when the alternative is a gas station hot dog or skipping food altogether. For deliberate protein-and-carb timing, you can almost always do better with a banana plus a whey shake at half the sugar and double the protein.”

— Sarah Chen, MS, RD

What to Pair RXBARs With for Balanced Macros

The fastest way to fix an RXBAR’s mediocre macro profile is to stack it with something protein-rich. Four practical combinations:

• The 27g protein breakfast: 1 RXBAR crumbled over 1 cup 0% Greek yogurt + 1/2 cup berries. ~360 cal, 27g protein, 35g carbs, 9g fat. Doubles the protein for less than 200 added calories.
• The 200-cal-bridge snack made better: 1/2 RXBAR + 1 hardboiled egg + cup of black coffee. ~175 cal, 12g protein, 12g carbs, 9g fat. Halves the sugar; same protein.
• The pre-workout fuel stack: 1 RXBAR + 1 medium banana + 1 cup water. ~315 cal, 13g protein, 50g carbs, 9g fat. The classic 50g-carb pre-lift target without GI distress.
• The post-workout combo: 1 RXBAR + 1 scoop whey protein powder shaken with milk. ~410 cal, 36g protein, 35g carbs, 11g fat. Replaces both the snack and the shake at the same time.

For more bar comparisons and how to choose what actually fits your macros, see our protein bars macros deep dive and our almond butter macros guide for cleaner whole-food fat options.

Complete Flavor-by-Flavor Breakdown

Original RXBARs (52g)

Flavor	Cal	Protein	Carbs	Sugar	Fat	Fiber
Chocolate Sea Salt	210	12g	23g	13g	9g	5g
Peanut Butter	210	12g	22g	12g	9g	5g
Blueberry	210	12g	24g	15g	8g	5g
Coconut Chocolate	210	12g	22g	13g	10g	5g
Chocolate Peanut Butter	220	12g	23g	13g	10g	5g
Maple Sea Salt	200	12g	23g	14g	8g	5g
Apple Cinnamon	200	12g	24g	14g	7g	6g
Mixed Berry	200	12g	23g	13g	8g	5g
Mint Chocolate	200	12g	23g	13g	9g	5g
Chocolate Chip	210	12g	23g	13g	9g	5g
Peanut Butter Chocolate	220	12g	22g	12g	10g	5g
Coffee Chocolate	210	12g	22g	12g	9g	5g

Lowest sugar: Peanut Butter, Coffee Chocolate (12g) Highest sugar: Blueberry (15g) Best seller: Chocolate Sea Salt

RXBAR Protein Oats (60g)

Higher carb oatmeal cups:

Flavor	Cal	Protein	Carbs	Sugar	Fat	Fiber
Apple Cinnamon	220	12g	32g	9g	6g	4g
Maple Brown Sugar	210	12g	31g	7g	5g	4g
Chocolate	220	12g	32g	9g	6g	4g

Note: Protein Oats have lower sugar but more total carbs. Designed as breakfast, not snacks.

RXBAR Kids (33g)

Smaller bars designed for children:

Flavor	Cal	Protein	Carbs	Sugar	Fat
Chocolate Chip	130	7g	15g	8g	5g
Berry Blast	120	7g	15g	9g	5g
Apple Cinnamon	120	7g	15g	8g	5g

Note: Scaled-down version with appropriate portions for kids.

RXBAR Ingredients Deep Dive

What sets RXBAR apart is ingredient simplicity:

Core ingredients (all flavors):

• Egg whites (protein source)
• Dates (binder, sweetness)
• Almonds and/or cashews (fat, texture)
• Natural flavors

Chocolate flavors add:

• Cacao
• Cocoa

That’s it. No protein isolates, no fiber syrups, no sugar alcohols. The trade-off is higher sugar and lower protein compared to engineered bars.

Protein Quality

Egg white protein is highly bioavailable with excellent amino acid profile. The 12g in RXBAR is quality protein, even if quantity is lower than competitors.

Sugar Reality Check

The 12-15g sugar isn’t “healthier” because it’s from dates—it’s just less processed. Your body metabolizes date sugar similarly to other sugars. The difference is you’re getting fiber and micronutrients alongside it.

RXBARs vs Competitors

RXBAR vs Quest Bar

Metric	RXBAR	Quest Bar
Calories	210	200
Protein	12g	21g
Total Carbs	23g	24g
Sugar	13g	1g
Fiber	5g	14g
Net Carbs	18g	5g
Ingredients	Whole foods	Processed

Winner: Quest for macros, RXBAR for ingredient quality. Quest has nearly double the protein with 13 times less sugar.

RXBAR vs KIND Protein

Metric	RXBAR	KIND Protein
Calories	210	250
Protein	12g	12g
Total Carbs	23g	17g
Sugar	13g	8g
Fiber	5g	5g

Winner: KIND for lower sugar and carbs at same protein. But RXBAR has simpler ingredients.

RXBAR vs Clif Bar

Metric	RXBAR	Clif Bar
Calories	210	250
Protein	12g	9g
Total Carbs	23g	44g
Sugar	13g	21g

Winner: RXBAR for macros. More protein, fewer carbs, less sugar.

RXBAR vs Larabar

Metric	RXBAR	Larabar
Calories	210	200
Protein	12g	4g
Total Carbs	23g	24g
Sugar	13g	17g

Winner: RXBAR. Same whole-food philosophy but 3x the protein and less sugar.

For more protein bar comparisons, see our complete protein bars macros guide.

Where to Buy RXBARs

RXBARs are widely available (owned by Kellogg’s):

Best prices:

• Costco: 14-count boxes at ~$1.50/bar
• Amazon Subscribe & Save: ~$1.75-2.00/bar
• Target/Walmart: Singles ~$2.50, boxes ~$1.75/bar
• Whole Foods: Regular stock, occasional sales

Convenience:

• Starbucks (~$3.00)
• Airport kiosks (~$4.00)
• Gym vending machines

Pro tip: RXBAR frequently offers variety packs—great for trying flavors before committing to full boxes.

Diet Compatibility

Keto Diet

Verdict: Not compatible 18-20g net carbs per bar exceeds most keto daily limits. The date sugar will spike blood glucose. Avoid on keto.

Paleo Diet

Verdict: Excellent RXBARs are essentially paleo-compliant: egg whites, nuts, dates, and natural flavors. One of the most paleo-friendly protein bars available.

Whole30

Verdict: Compliant (with caveats) RXBARs are technically Whole30 compliant, but the program discourages using bars as meal replacements. Use sparingly for emergencies.

Low-Calorie/Weight Loss

Verdict: Moderate 210 calories with 12g protein isn’t terrible, but the sugar content may not satisfy cravings as well as lower-sugar options. Whole foods still better.

Use our macro calculator to see how RXBAR fits your daily targets.

Low-Sugar Diets

Verdict: Not recommended 12-15g sugar per bar is significant. Even though it’s from dates, it’s still sugar. Choose Quest or Barebells if limiting sugar.

Vegetarian

All RXBARs are vegetarian (contain egg whites, no meat).

Vegan

Not compatible. Egg whites are core ingredient. Look for plant-based alternatives.

Gluten-Free

All RXBARs are certified gluten-free. Safe for celiac disease.

Best RXBAR Choices by Goal

Lowest Sugar: Peanut Butter, Coffee Chocolate (12g)

Lowest Carbs: Peanut Butter (22g total)

Highest Fiber: Apple Cinnamon (6g)

Best Taste (Fan Favorites):

1. Chocolate Sea Salt
2. Peanut Butter Chocolate
3. Chocolate Peanut Butter
4. Coconut Chocolate
5. Mint Chocolate

Best Value: Costco variety packs

How to Fit RXBARs in Your Macros

1,600 calorie cut (130g protein):

• RXBAR = 210 cal, 12g protein, 13g sugar
• 13% of calories for 9% of protein
• Sugar adds up—not ideal for strict cuts

2,000 calorie maintenance (150g protein):

• RXBAR = 210 cal, 12g protein
• 10.5% of calories for 8% of protein
• Reasonable occasional snack

2,500 calorie active lifestyle:

• RXBAR works well as clean-ingredient energy
• Sugar less concerning with higher activity
• Good hiking/travel bar

When RXBARs Make Sense

Good uses for RXBARs:

• Paleo/Whole30 compliant eating
• Avoiding artificial ingredients
• Moderate protein needs
• Travel and emergencies
• Post-workout with carb needs

Not ideal uses:

• Strict keto or low-carb
• Minimizing sugar
• Maximum protein efficiency
• Weight loss focused eating

The RXBAR Philosophy Trade-Off

RXBAR represents a choice: whole food ingredients over optimized macros.

What you get:

• Simple, recognizable ingredients
• No artificial sweeteners
• No protein isolates
• Paleo/Whole30 friendly

What you sacrifice:

• Higher protein (Quest: 21g vs RXBAR: 12g)
• Lower sugar (Quest: 1g vs RXBAR: 13g)
• Lower net carbs (Quest: 5g vs RXBAR: 18g)

Neither approach is wrong—they serve different priorities.

Choose RXBAR when:

• Ingredient quality matters more than macro optimization
• You’re following paleo or Whole30
• You prefer whole food sources
• Sugar isn’t a strict concern

Skip RXBAR when:

• You need maximum protein per calorie
• You’re limiting sugar intake
• You’re on keto or strict low-carb
• Macro efficiency is priority

For more on building your nutrition plan, see our guide on what are macronutrients and learn how to hit your macros with whole foods.

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Nutrition information sourced from RXBAR’s official website. Values may vary by production batch. Always check packaging for the most accurate information.

Related Guides

• Quest Bars Macros — Head-to-head competitor with higher protein (21g) and lower sugar (1g)
• Clif Bars Macros — Another popular bar with very different macro profile
• Best Macro Tracking Apps — Log RXBARs and other bars accurately
• How to Hit Your Protein Macros Every Day — Strategies if 12g protein per bar isn’t enough
• High Protein Foods List — Whole-food alternatives to protein bars
• Macros for Weight Loss — Where bars fit (and don’t fit) on a cut
• Macro Calculator — Calculate how RXBARs fit your daily targets

Related tools: Compare any 2 foods side-by-side · Recipe Macro Calculator · Find your daily macros