💎 Key Nutrients
What Is Post Raisin Bran Cereal? Origin and Varieties
Post Raisin Bran Cereal is a classic American ready-to-eat breakfast cereal produced by Post Consumer Brands. It combines toasted bran flakes made primarily from whole grain wheat and wheat bran with sweet raisins, creating a cereal that is rich in dietary fiber and carbohydrates. The origin of Raisin Bran dates back to Post's launch in the early 20th century as one of the first cereals to combine natural dried fruit with bran flakes. Over decades, variations and formulations have been introduced, but the core concept has remained consistent: a fiber-forward cereal that delivers both taste and nutrition. Historically, bran — the outermost layer of cereal grains — was discarded in refining grains, but in cereals like Raisin Bran, the bran is intentionally included to boost fiber content and micronutrients. Raisins add natural sweetness along with additional micronutrients like potassium and iron.
Post Raisin Bran fits into the broader category of ready-to-eat breakfast cereals that emerged in the late 1800s as packaged, convenient foods became more popular. Early pioneers like Post, Kellogg’s, and others focused on grain-based products aimed at health-conscious consumers. Raisin Bran emerged as a product that married whole grain nutrition with palatable flavor. Today, it remains among the most recognized bran cereals in the United States. While the base ingredients — whole grain wheat, wheat bran, and raisins — stay relatively consistent, some product lines may include slight differences in fortification levels of vitamins and minerals or variations in portion size and packaging. The product is now widely available globally and often fortified with nutrients like iron, B vitamins, and vitamin D to help address common dietary gaps in everyday diets.
Nutrition Profile: A Detailed Breakdown
Post Raisin Bran Cereal offers a detailed nutrient profile that brings both strengths and trade-offs into focus. On a per-serving basis (1 cup, 59g), the cereal provides approximately 190 calories, with carbohydrates making up the largest portion of that energy. USDA data confirms 78.9g of total carbohydrates, of which 13.7g is dietary fiber — a significant amount that contributes to digestive health and satiety by slowing gastric emptying. Dietary fiber from cereal grain sources like bran primarily consists of insoluble fiber, which aids in adding bulk to stool and promoting regular bowel movements.
Protein in Post Raisin Bran comes from the whole grain wheat and bran components, totaling about 7.6g per serving. This amount is modest compared to protein-rich breakfast options like eggs or yogurt, but it still contributes to daily protein needs, particularly when combined with milk or plant-based milk alternatives.
Fat content is low (1.6g total fat), with minimal saturated fat (0.296g) and no trans fats or cholesterol, aligning with dietary recommendations for heart-healthy eating. The cereal is fortified with key micronutrients. Iron is particularly noteworthy at 18.3mg, helping support oxygen transport and energy metabolism. B vitamins such as riboflavin, niacin, vitamin B6, and folate are present in fortified forms, which support cellular energy pathways and neurological health.
Vitamin D (1.7mcg) — a nutrient many people are deficient in — is also provided, though at a modest level compared with daily requirements. Potassium (525mg) supports fluid balance and heart function, while magnesium and phosphorus contribute to bone health and energy production. Compared with similar cereals, Post Raisin Bran tends to have higher carbohydrate and fiber content but also higher total sugars, largely contributed by the raisins and any added sweeteners. Fiber-rich cereals are generally encouraged for heart health and reduced risk of chronic diseases, but the sugar content means it’s important to balance this cereal with protein and healthy fats at breakfast to moderate blood glucose responses. In comparison to bran-only cereals without fruit, Raisin Bran offers additional micronutrient density from the inclusion of raisins, which bring antioxidants and small amounts of additional vitamins and minerals.
Evidence-Based Health Benefits
Post Raisin Bran Cereal’s health benefits are rooted in its whole grain and fiber content, supported by evidence from nutritional science and public health guidance. One of the most consistent findings in nutritional epidemiology is that higher intake of whole grains and dietary fiber is associated with lower risk of cardiovascular disease (CVD) and type 2 diabetes. The Mayo Clinic highlights that whole grains provide fiber plus essential vitamins and minerals, potentially helping to lower cholesterol levels, manage blood sugar, and support weight control. Regular consumption of high-fiber foods can modulate blood lipid profiles by binding bile acids and promoting their excretion, which in turn may reduce LDL (“bad”) cholesterol levels.
Moreover, population studies have found that frequent consumption of whole grain cereals — particularly those with bran — is associated with modest reductions in obesity risk and improvements in glycemic control. A prospective study examining cereal fiber and whole grain intake found that higher consumption of foods rich in cereal fiber or bran mixtures was modestly associated with a reduced risk of type 2 diabetes and CVD. Fibers in cereals like Raisin Bran also promote digestive tract health by increasing stool bulk and supporting regularity. This can reduce the risk of constipation and may promote a healthier gut microbiome by providing substrates for beneficial gut bacteria.
While ready-to-eat cereals vary widely in nutritional quality, Harvard Health emphasizes that high sugar content in many breakfast cereals has increased over time, which can counteract some health benefits if overall sugar intake is excessive. Nevertheless, when consumed as part of a balanced diet with controlled added sugars, cereal-based fiber contributes to recommended daily fiber goals, which many American adults fail to meet. In addition, the fortified B vitamins in Post Raisin Bran contribute to energy metabolism and support neurological function, particularly in populations at risk for micronutrient deficiencies. The iron fortification is especially beneficial in individuals with increased iron needs, such as menstruating women and adolescents.
Potential Risks and Who Should Be Careful
Despite its benefits, Post Raisin Bran Cereal is not without potential drawbacks for certain populations. The total sugar content (32.9g per 100g) is substantial, much of which comes from the natural sugars in raisins as well as added sweeteners. High dietary sugar intake has been linked to increased risk of weight gain, insulin resistance, and dental caries, particularly when consumed frequently. Individuals managing diabetes or prediabetes should be cautious, as high carbohydrate and sugar content can lead to rapid increases in blood glucose levels. Pairing cereal with a protein-rich food can help moderate post-meal glucose responses, but portion control remains key.
Another consideration is the sodium content — 382mg per serving — which may be high for people on sodium-restricted diets, such as those with hypertension or heart failure. While the cereal’s fiber may benefit cardiovascular health, sodium can counteract these benefits if overall intake exceeds recommended daily limits.
People with irritable bowel syndrome (IBS) or certain digestive disorders may find high-fiber cereals difficult to tolerate, especially if their condition is sensitive to insoluble fiber. In such cases, gradually increasing fiber intake and monitoring symptoms is advisable. Those with allergies to wheat or gluten-containing grains should avoid most traditional bran cereals unless a certified gluten-free version is available. Finally, relying too heavily on fortified cereals for micronutrient intake may mask underlying dietary imbalances. Whole, unprocessed foods like fruits, vegetables, lean proteins, and legumes should remain the foundation of a healthy eating pattern.
How to Select, Store, and Prepare Post Raisin Bran Cereal
When selecting Post Raisin Bran Cereal at the grocery store, check the ingredient list to confirm that whole grain wheat or wheat bran is listed as the first ingredient. The presence of whole grains not only adds fiber but also increases the variety of micronutrients present. Look for packaging that clearly states ‘excellent source of fiber’ and check serving size and sugar content. Avoid products with excessive added sugars — aim for varieties with lower sugar content if available.
Storage of dry cereals is straightforward: keep the cereal in its original box or transfer it to an airtight container to prevent staling and moisture absorption. Store in a cool, dry pantry away from direct sunlight. At typical pantry temperatures (around 68–72°F or 20–22°C), unopened cereal can remain fresh for several months (check the best-by date). After opening, aim to consume the cereal within 6–8 weeks to ensure optimal crunch and prevent oxidation of fats. Signs of stale cereal include loss of crispness, off-odors, or visible mold. Avoid storing cereal near heat sources like ovens or in humid environments like refrigerators where condensation can degrade texture.
Preparing Post Raisin Bran is simple: pour a serving into a bowl and add cold milk, yogurt, or a plant-based alternative. For added nutrition, top with fresh fruit like berries or banana slices to boost fiber, antioxidants, and natural sweetness without relying solely on added sugars. Combining cereal with Greek yogurt can increase protein content significantly, helping stabilize blood glucose levels and enhance satiety. A quick trick to preserve nutrients when adding fruit is to add it just before eating to minimize oxidation of vitamin C and other sensitive compounds.
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Best Ways to Eat Post Raisin Bran Cereal
While eating a bowl with milk is the classic approach, there are numerous ways to incorporate Post Raisin Bran Cereal into your meals to enhance both flavor and nutrition. For instance, mix the cereal with plain Greek yogurt and fresh berries for a balanced meal that combines carbohydrates, protein, and antioxidants. This combination helps moderate the release of glucose into the bloodstream and increases satiety. Another idea is to use crushed Raisin Bran Cereal as a topping for baked oatmeal or smoothie bowls, adding crunch and extra fiber. For a quick snack, combine small portions of Raisin Bran with nuts and seeds for a homemade trail mix.
For breakfast parfaits, alternate layers of yogurt, fresh fruit, and cereal. The inclusion of healthy fats from nuts or seeds can slow carbohydrate digestion, providing more sustained energy. You can also incorporate the cereal into baked items: use it as a crunchy crust for baked apples or mix it into muffin batter for added texture. When using Raisin Bran in baking, be mindful of additional sugars in your recipe — you may be able to reduce added sugar due to the natural sweetness from raisins.
Pairing suggestions include fresh fruits (like sliced peaches, blueberries), nuts (such as almonds or walnuts), and dairy or fortified soy yogurts. These additions not only enhance nutrient density but also improve flavor complexity. Those mindful of sugars should monitor portion sizes of Raisin Bran and balance it with low-sugar, nutrient-rich foods to create a more balanced nutritional profile.
Nutrient Absorption: What Helps and Hinders
Nutrient absorption from Post Raisin Bran Cereal can be influenced by what you eat with it. Pairing the cereal with a source of vitamin C — such as berries, orange slices, or kiwifruit — can enhance iron absorption, particularly important because cereals are often fortified with non-heme iron, which is less readily absorbed than heme iron found in animal products. Conversely, consuming high amounts of calcium (like from dairy milk) simultaneously with iron-rich cereal can slightly inhibit iron absorption temporarily. One practical strategy is to consume vitamin C-rich foods alongside your cereal but keep high-calcium foods at a separate meal if iron status is a concern.
Fiber itself, while beneficial, can bind certain minerals and reduce their absorption when consumed in very high amounts. This is not typically a concern with a single serving of cereal but may be relevant for individuals consuming extraordinarily high-fiber diets. Phytic acid, present in bran, can also reduce the bioavailability of minerals like zinc and magnesium, though this effect is generally modest in the context of a varied diet. To optimize nutrient uptake, balance high-fiber foods with nutrient-dense fruits and protein sources, and maintain adequate hydration, as water plays a critical role in digestion and the movement of nutrients through the gastrointestinal tract.
Post Raisin Bran Cereal for Specific Diets
Post Raisin Bran Cereal is compatible with several dietary patterns but is not suitable for all. It is naturally vegan and vegetarian, making it accessible for plant-based eaters when consumed with plant-based milk alternatives. For low-fat diets, the cereal’s minimal fat content aligns well with dietary goals. However, due to its carbohydrate and sugar content, it does not fit well with strict ketogenic diets. Net carbohydrate content per serving can be calculated by subtracting fiber from total carbohydrates; even then, the net carbs are high relative to keto guidelines.
For paleo or Whole30 diets, traditional cereal grains are excluded, so Post Raisin Bran would not be compliant. People following a low-FODMAP diet may tolerate small portions depending on individual sensitivity, but wheat-based products often contain FODMAPs that can trigger symptoms. Those managing diabetes can include Post Raisin Bran if they monitor portion sizes carefully and pair the cereal with protein and healthy fats to moderate postprandial glucose spikes. The cereal’s fiber supports glycemic control, but attention to total carbohydrate intake per meal is critical.
❤️ Health Benefits
Supports Heart Health
High dietary fiber, especially from bran, helps lower LDL cholesterol by binding bile acids and promoting their excretion.
Evidence: moderateEnhances Digestive Regularity
Insoluble fiber adds bulk to stool and promotes intestinal motility.
Evidence: strongMay Reduce Type 2 Diabetes Risk
Cereal fiber helps moderate blood glucose responses.
Evidence: moderateSupports Weight Management
High fiber increases satiety and may reduce total calorie intake.
Evidence: moderateFortified Micronutrient Delivery
Fortified B vitamins and iron help meet daily nutrient needs.
Evidence: strong⚖️ Comparisons
Vs. All-Bran Cereal
All-Bran typically has higher fiber and lower sugars compared to Post Raisin Bran.
Vs. Oatmeal
Oatmeal has comparable fiber but usually less sugar and more beta-glucans.
Vs. Granola
Granola often has higher fat and sugar than Raisin Bran.
🧊 Storage Guide
🏠
Counter
90+ days unopened
⚠️ Signs of
Spoilage:
- smell: off or rancid odor
- visual: mold, clumping from moisture
- texture: loss of crunch, sogginess
- when to discard: visible mold or foul smell
👥 Special Considerations
elderly
Why: Fiber supports digestion; ensure adequate hydration.
Recommendation: Pair with protein and fluids.
athletes
Why: Carbohydrates provide energy; balance with protein.
Recommendation: Combine with protein-rich foods.
children
Why: High sugar may impact dental health.
Recommendation: Serve smaller portions and pair with fruit.
pregnancy
Why: Provides fiber and fortified folate important for pregnancy.
Recommendation: Include as part of a balanced breakfast.
breastfeeding
Why: Supports energy needs and micronutrient intake.
Recommendation: Include with high-protein additions.
🔬 Detailed Nutrition Profile (USDA)
Common Portions
1.00 cup (1 NLEA serving)
(59.00g)
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 8.6000 | g |
| Energy | 324.0000 | kcal |
| Energy | 1354.0000 | kJ |
| Protein | 7.6000 | g |
| Total lipid (fat) | 1.6000 | g |
| Ash | 3.2000 | g |
| Carbohydrate, by difference | 78.9000 | g |
| Fiber, total dietary | 13.7000 | g |
| Total Sugars | 32.9000 | g |
| Calcium, Ca | 44.0000 | mg |
| Iron, Fe | 18.3000 | mg |
| Magnesium, Mg | 168.0000 | mg |
| Phosphorus, P | 339.0000 | mg |
| Potassium, K | 525.0000 | mg |
| Sodium, Na | 382.0000 | mg |
| Zinc, Zn | 3.8000 | mg |
| Copper, Cu | 0.4000 | mg |
| Manganese, Mn | 3.2100 | mg |
| Selenium, Se | 5.9000 | µg |
| Vitamin C, total ascorbic acid | 0.9000 | mg |
| Thiamin | 0.6000 | mg |
| Riboflavin | 0.7000 | mg |
| Niacin | 8.5000 | mg |
| Pantothenic acid | 0.2060 | mg |
| Vitamin B-6 | 0.8000 | mg |
| Folate, total | 339.0000 | µg |
| Folic acid | 320.0000 | µg |
| Folate, food | 19.0000 | µg |
| Folate, DFE | 563.0000 | µg |
| Choline, total | 27.3000 | mg |
| Vitamin B-12 | 2.5000 | µg |
| Vitamin B-12, added | 2.5000 | µg |
| Vitamin A, RAE | 380.0000 | µg |
| Retinol | 380.0000 | µg |
| Carotene, beta | 2.0000 | µg |
| Carotene, alpha | 0.0000 | µg |
| Cryptoxanthin, beta | 0.0000 | µg |
| Vitamin A, IU | 1271.0000 | IU |
| Lycopene | 0.0000 | µg |
| Lutein + zeaxanthin | 101.0000 | µg |
| Vitamin E (alpha-tocopherol) | 0.5400 | mg |
| Vitamin E, added | 0.0000 | mg |
| Vitamin D (D2 + D3), International Units | 68.0000 | IU |
| Vitamin D (D2 + D3) | 1.7000 | µg |
| Vitamin D3 (cholecalciferol) | 1.7000 | µg |
| Vitamin K (phylloquinone) | 1.9000 | µg |
| Fatty acids, total saturated | 0.2960 | g |
| SFA 4:0 | 0.0000 | g |
| SFA 6:0 | 0.0000 | g |
| SFA 8:0 | 0.0000 | g |
| SFA 10:0 | 0.0000 | g |
| SFA 12:0 | 0.0000 | g |
| SFA 14:0 | 0.0000 | g |
| SFA 15:0 | 0.0000 | g |
| SFA 16:0 | 0.2730 | g |
| SFA 17:0 | 0.0000 | g |
| SFA 18:0 | 0.0230 | g |
| SFA 20:0 | 0.0000 | g |
| SFA 22:0 | 0.0000 | g |
| SFA 24:0 | 0.0000 | g |
| Fatty acids, total monounsaturated | 0.3490 | g |
| MUFA 14:1 | 0.0000 | g |
| MUFA 15:1 | 0.0000 | g |
| MUFA 16:1 | 0.0000 | g |
| MUFA 17:1 | 0.0000 | g |
| MUFA 18:1 | 0.3410 | g |
| MUFA 20:1 | 0.0080 | g |
| MUFA 22:1 | 0.0000 | g |
| Fatty acids, total polyunsaturated | 0.7960 | g |
| PUFA 18:2 | 0.7350 | g |
| PUFA 18:3 | 0.0610 | g |
| PUFA 18:4 | 0.0000 | g |
| PUFA 20:2 n-6 c,c | 0.0000 | g |
| PUFA 20:3 | 0.0000 | g |
| PUFA 20:4 | 0.0000 | g |
| PUFA 20:5 n-3 (EPA) | 0.0000 | g |
| PUFA 22:5 n-3 (DPA) | 0.0000 | g |
| PUFA 22:6 n-3 (DHA) | 0.0000 | g |
| Fatty acids, total trans | 0.0000 | g |
| Cholesterol | 0.0000 | mg |
| Tryptophan | 0.1160 | g |
| Threonine | 0.2060 | g |
| Isoleucine | 0.2060 | g |
| Leucine | 0.4130 | g |
| Lysine | 0.1570 | g |
| Methionine | 0.0830 | g |
| Cystine | 0.1490 | g |
| Phenylalanine | 0.3050 | g |
| Tyrosine | 0.0830 | g |
| Valine | 0.2890 | g |
| Arginine | 0.3470 | g |
| Histidine | 0.1490 | g |
| Alanine | 0.2720 | g |
| Aspartic acid | 0.3880 | g |
| Glutamic acid | 1.6340 | g |
| Glycine | 0.2970 | g |
| Proline | 0.5610 | g |
| Serine | 0.2970 | g |
| Alcohol, ethyl | 0.0000 | g |
| Caffeine | 0.0000 | mg |
| Theobromine | 0.0000 | mg |
Source: USDA FoodData Central (FDC ID: 171650)
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