Formulated bar, SLIM-FAST OPTIMA meal bar, milk chocolate peanut
Whole food · Snacks
Photo: Wikipedia
This is a dense, chewy meal replacement bar coated in a smooth milk chocolate layer, with a crunchy peanut nougat core. It delivers a substantial 16g of protein and 5g of fiber per 100g, making it a surprisingly filling, sweet-salty snack designed for calorie-controlled meal swaps.
Calorie split: 17% protein · 62% carbs · 21% fat
↓ Full nutrition💚 Why it's loved
People love it for the genuine candy-bar indulgence of the milk chocolate and peanut combination, which makes sticking to a diet plan feel less like a sacrifice. Its portability and substantial chew make it a trusted companion for busy schedules or post-workout recovery.
⚠️ Watch-outs & how to enjoy it better
The 25g of sugar per 100g can cause a rapid blood-sugar spike, especially if eaten alone. Those with peanut allergies must avoid it entirely. To counteract the sugar impact, pair it with a source of healthy fat or additional protein (like a handful of almonds) and avoid eating it as a standalone meal.
Key benefits
- High protein content (16.19g/100g) supports satiety and muscle maintenance.
- Significant dietary fiber (5.1g/100g) aids digestion and promotes fullness.
- Convenient, pre-portioned format for on-the-go meal replacement.
- Balanced macronutrient profile for a controlled calorie intake (386 kcal/100g).
🍽️ Popular dishes
🌍 Where it's eaten
💡 Did you know?
The original SlimFast plan, popularized in the 1970s-80s, famously used the slogan 'A shake for breakfast, a shake for lunch, and a sensible dinner,' with bars like this Optima line evolving to offer more solid-food texture and convenience.
Full nutrition (USDA data · scales with serving)
| Water | 10.9 g |
| Energy | 386 kcal |
| Energy | 1615 kj |
| Protein | 16.2 g |
| Total lipid (fat) | 8.9 g |
| Ash | 3.8 g |
| Carbohydrate, by difference | 60.2 g |
| Fiber, total dietary | 5.1 g |
| Total Sugars | 25.0 g |
| Sucrose | 7.6 g |
| Glucose | 1.2 g |
| Fructose | 0.52 g |
| Lactose | 0.00 g |
| Maltose | 10.0 g |
| Galactose | 5.6 g |
| Starch | 9.6 g |
| Calcium, Ca | 668 mg |
| Iron, Fe | 5.0 mg |
| Magnesium, Mg | 250 mg |
| Phosphorus, P | 673 mg |
| Potassium, K | 289 mg |
| Sodium, Na | 253 mg |
| Zinc, Zn | 5.7 mg |
| Copper, Cu | 0.28 mg |
| Manganese, Mn | 0.74 mg |
| Selenium, Se | 46.7 ug |
| Vitamin C, total ascorbic acid | 96.6 mg |
| Thiamin | 1.7 mg |
| Riboflavin | 1.9 mg |
| Niacin | 21.2 mg |
| Pantothenic acid | 10.1 mg |
| Vitamin B-6 | 2.1 mg |
| Folate, total | 430 ug |
| Folic acid | 422 ug |
| Folate, food | 8.0 ug |
| Folate, DFE | 725 ug |
| Choline, total | 40.6 mg |
| Betaine | 2.2 mg |
| Vitamin B-12 | 7.9 ug |
| Vitamin B-12, added | 7.9 ug |
| Vitamin A, RAE | 940 ug |
| Retinol | 940 ug |
| Carotene, beta | 0.00 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Vitamin A, IU | 3133 iu |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 0.00 ug |
| Vitamin E (alpha-tocopherol) | 6.0 mg |
| Vitamin E, added | 6.0 mg |
| Tocopherol, beta | 0.05 mg |
| Tocopherol, gamma | 1.8 mg |
| Tocopherol, delta | 0.67 mg |
| Tocotrienol, alpha | 0.34 mg |
| Tocotrienol, beta | 0.00 mg |
| Tocotrienol, gamma | 0.05 mg |
| Tocotrienol, delta | 0.00 mg |
| Vitamin D (D2 + D3), International Units | 214 iu |
| Vitamin D (D2 + D3) | 5.4 ug |
| Vitamin K (phylloquinone) | 129 ug |
| Vitamin K (Dihydrophylloquinone) | 0.00 ug |
| Vitamin K (Menaquinone-4) | 0.00 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 0.00 mg |
| Theobromine | 0.00 mg |
Fat & fatty acid profile (per 100g)
| Fatty acids, total saturated | 5.4 g |
| SFA 4:0 | 0.01 g |
| SFA 6:0 | 0.01 g |
| SFA 8:0 | 0.17 g |
| SFA 10:0 | 0.17 g |
| SFA 12:0 | 2.1 g |
| SFA 14:0 | 0.71 g |
| SFA 15:0 | 0.00 g |
| SFA 16:0 | 0.93 g |
| SFA 17:0 | 0.01 g |
| SFA 18:0 | 1.1 g |
| SFA 20:0 | 0.05 g |
| SFA 22:0 | 0.07 g |
| SFA 24:0 | 0.04 g |
| Fatty acids, total monounsaturated | 2.4 g |
| MUFA 14:1 | 0.00 g |
| MUFA 15:1 | 0.00 g |
| MUFA 16:1 | 0.01 g |
| MUFA 16:1 c | 0.01 g |
| MUFA 17:1 | 0.00 g |
| MUFA 18:1 | 2.2 g |
| MUFA 18:1 c | 2.0 g |
| MUFA 20:1 | 0.04 g |
| MUFA 22:1 | 0.00 g |
| MUFA 22:1 c | 0.00 g |
| MUFA 24:1 c | 0.00 g |
| Fatty acids, total polyunsaturated | 1.1 g |
| PUFA 18:2 | 1.00 g |
| PUFA 18:2 n-6 c,c | 0.97 g |
| PUFA 18:2 CLAs | 0.00 g |
| PUFA 18:3 | 0.04 g |
| PUFA 18:3 n-3 c,c,c (ALA) | 0.04 g |
| PUFA 18:3 n-6 c,c,c | 0.00 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:2 n-6 c,c | 0.00 g |
| PUFA 20:3 | 0.00 g |
| PUFA 20:3 n-3 | 0.00 g |
| PUFA 20:3 n-6 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:4 | 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 | 0.21 g |
| Fatty acids, total trans-monoenoic | 0.18 g |
| TFA 16:1 t | 0.00 g |
| TFA 18:1 t | 0.18 g |
| TFA 22:1 t | 0.00 g |
| TFA 18:2 t not further defined | 0.03 g |
| Fatty acids, total trans-polyenoic | 0.03 g |
| Cholesterol | 7.0 mg |
Amino acid profile (per 100g)
| Tryptophan | 0.22 g |
| Threonine | 0.57 g |
| Isoleucine | 0.56 g |
| Leucine | 1.3 g |
| Lysine | 0.58 g |
| Methionine | 0.22 g |
| Cystine | 0.15 g |
| Phenylalanine | 0.87 g |
| Tyrosine | 0.58 g |
| Valine | 0.74 g |
| Arginine | 1.4 g |
| Histidine | 0.40 g |
| Alanine | 0.66 g |
| Aspartic acid | 1.9 g |
| Glutamic acid | 3.4 g |
| Glycine | 0.78 g |
| Proline | 1.1 g |
| Serine | 0.96 g |
FAQ
How does this differ from a regular candy bar?
It's engineered for nutrition: it has significantly more protein and fiber, and is portion-controlled to fit into a meal plan. However, its sugar content is still notable, so it's a functional food, not a health food.
Is it suitable for a low-carb diet?
No, with over 60g of carbohydrates per 100g, it is high in carbs and not appropriate for strict low-carb or ketogenic diets.
Can I eat this as my only meal?
While designed as a 'meal bar,' a single bar provides only 230-310 calories (depending on size). For a full meal replacement, it should be paired with a piece of fruit or a vegetable side to increase volume and micronutrient intake.
Nutrient density (calculated · NRF9.3)
Nutrient Rich Foods index: beneficial nutrients (protein, fiber, vitamins, minerals) minus saturated fat, added sugar & sodium, per 100 kcal.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Weight-loss friendliness (composite index)
Energy density 3.86 kcal/g · 17% calories from protein · 5.1 g fiber · 25.0 g sugar per 100 g.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Dietary load (calculated from USDA values)
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.
Sodium-to-potassium ratio: 0.88 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.