Whole food · Snacks
Photo: Wikipedia
The Zone Perfect Classic Crunch Bar is a dense, chewy protein bar with a satisfying crisp, often studded with rice crisps or nut pieces. Its nutrition is engineered for a high-protein, moderate-carb profile, making it a popular choice for a quick, filling snack or a post-workout refuel. It delivers a significant 30g of protein per 100g, positioning it firmly in the performance nutrition category.
Calorie split: 28% protein · 42% carbs · 30% fat
↓ Full nutritionPeople love it for its reliable, consistent taste and texture that satisfies a sweet craving without derailing dietary goals. Its portability and balanced macros make it a trusted staple in gym bags, desk drawers, and travel packs.
The high sugar content (27g per 100g) can cause a rapid blood-sugar spike, especially for those with insulin sensitivity. It's also a processed food with a long ingredient list and may contain common allergens like soy, milk, and nuts. To counteract, pair it with a source of healthy fat or additional fiber (like an apple) to slow sugar absorption, and always check labels for specific allergens.
The 'Zone' in its name refers to the Zone diet, a nutritional philosophy developed by Dr. Barry Sears that emphasizes a specific balance of carbohydrates, proteins, and fats to control inflammation and hormonal response.
| Water | 7.0 g |
| Energy | 426 kcal |
| Energy | 1782 kj |
| Protein | 30.0 g |
| Total lipid (fat) | 14.0 g |
| Ash | 4.0 g |
| Carbohydrate, by difference | 45.0 g |
| Fiber, total dietary | 2.0 g |
| Total Sugars | 27.0 g |
| Calcium, Ca | 200 mg |
| Iron, Fe | 3.6 mg |
| Magnesium, Mg | 80.0 mg |
| Phosphorus, P | 300 mg |
| Potassium, K | 250 mg |
| Sodium, Na | 444 mg |
| Zinc, Zn | 7.5 mg |
| Copper, Cu | 0.77 mg |
| Manganese, Mn | 0.85 mg |
| Selenium, Se | 3.9 ug |
| Vitamin C, total ascorbic acid | 120 mg |
| Thiamin | 0.75 mg |
| Riboflavin | 1.7 mg |
| Niacin | 20.0 mg |
| Pantothenic acid | 5.0 mg |
| Vitamin B-6 | 2.0 mg |
| Folate, total | 160 ug |
| Folic acid | 160 ug |
| Folate, food | 0.00 ug |
| Folate, DFE | 272 ug |
| Choline, total | 73.0 mg |
| Vitamin B-12 | 4.2 ug |
| Vitamin B-12, added | 4.2 ug |
| Vitamin A, RAE | 1050 ug |
| Retinol | 1050 ug |
| Carotene, beta | 0.00 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Vitamin A, IU | 3500 iu |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 2.0 ug |
| Vitamin E (alpha-tocopherol) | 24.0 mg |
| Vitamin E, added | 24.0 mg |
| Vitamin D (D2 + D3), International Units | 0.00 iu |
| Vitamin D (D2 + D3) | 0.00 ug |
| Vitamin K (phylloquinone) | 1.6 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 11.0 mg |
| Theobromine | 99.0 mg |
| Fatty acids, total saturated | 4.5 g |
| SFA 4:0 | 0.00 g |
| SFA 6:0 | 0.01 g |
| SFA 8:0 | 0.14 g |
| SFA 10:0 | 0.16 g |
| SFA 12:0 | 2.0 g |
| SFA 13:0 | 0.00 g |
| SFA 14:0 | 0.69 g |
| SFA 15:0 | 0.00 g |
| SFA 16:0 | 0.99 g |
| SFA 17:0 | 0.00 g |
| SFA 18:0 | 0.54 g |
| SFA 20:0 | 0.00 g |
| SFA 22:0 | 0.00 g |
| SFA 24:0 | 0.00 g |
| Fatty acids, total monounsaturated | 3.8 g |
| MUFA 14:1 | 0.00 g |
| MUFA 16:1 | 0.02 g |
| MUFA 18:1 | 3.8 g |
| MUFA 20:1 | 0.00 g |
| MUFA 22:1 | 0.00 g |
| MUFA 24:1 c | 0.00 g |
| Fatty acids, total polyunsaturated | 4.8 g |
| PUFA 18:2 | 4.7 g |
| PUFA 18:3 | 0.07 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:2 n-6 c,c | 0.00 g |
| PUFA 20:3 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.00 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Fatty acids, total trans | 0.00 g |
| Cholesterol | 8.0 mg |
Estimated from Formulated bar, MARS SNACKFOOD US, SNICKERS MARATHON Energy Bar, all flavors — USDA does not publish this profile for Formulated bar.
| Tryptophan | 0.22 g |
| Threonine | 0.68 g |
| Isoleucine | 0.83 g |
| Leucine | 1.4 g |
| Lysine | 0.97 g |
| Methionine | 0.27 g |
| Cystine | 0.24 g |
| Phenylalanine | 0.98 g |
| Tyrosine | 0.74 g |
| Valine | 0.90 g |
| Arginine | 1.7 g |
| Histidine | 0.48 g |
| Alanine | 0.76 g |
| Aspartic acid | 2.2 g |
| Glutamic acid | 3.8 g |
| Glycine | 0.88 g |
| Proline | 1.1 g |
| Serine | 0.97 g |
| Hydroxyproline | 0.00 g |
Is this a meal replacement bar?
While high in protein, it is generally considered a meal supplement or substantial snack. A full meal replacement typically provides a more complete profile of vitamins, minerals, and a higher calorie count.
Can I eat this if I'm trying to lose weight?
It can fit into a weight loss plan due to its high protein content which promotes fullness. However, you must account for its calories (around 264 kcal per typical 62g bar) within your daily total.
What's the best time to eat it?
It's versatile. Common times are as a quick breakfast, a pre-workout fuel 30-60 minutes before exercise, or a post-workout snack within an hour to aid muscle recovery.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Sodium-to-potassium ratio: 1.78 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.