Which Fortified Cereals Have the Most Calcium?

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Key Takeaways:

  • Fortified cereals can be excellent sources of calcium, especially brands like Multigrain Cheerios, Fiber One, and Special K.
  • The exact calcium content can vary significantly among brands and products, so check nutrition labels.
  • Along with calcium, these fortified cereals also provide other key nutrients.
  • Dairy, leafy greens, fortified plant milks are other options for obtaining calcium.
  • Aim for 1000-1300 mg of calcium intake per day depending on age and gender.


Calcium is a crucial mineral that plays many important roles in the body. Consuming adequate calcium is vital for building and maintaining strong bones and teeth, regulating muscle and nerve function, supporting cardiovascular health, and other functions. Given the significance of calcium, it is essential to understand which foods can provide ample amounts of this mineral.

This article will thoroughly evaluate and analyze the best sources of calcium among fortified breakfast cereals. It will cover the top calcium-rich cereal brands and products in detail. The content will also highlight the other nutritional benefits of these cereals. Additionally, the calcium contents of different cereal options will be compared. By the end, readers will have a clear understanding of the best fortified cereal choices to meet daily calcium needs. The analysis is based on examining nutrition labels and data from credible sources. Let’s dive in to discover which fortified cereals offer superior calcium content!

Overview of RDA for Calcium

The recommended dietary allowance (RDA) for calcium provides guidance on optimal daily calcium intake. The RDA varies based on age and gender. For adults ages 19-50, the RDA is 1000 mg per day. For adults over 50, the RDA increases to 1200 mg daily since bone health becomes increasingly important. During pregnancy and lactation, the RDA rises to 1300 mg daily to support fetal/infant development. The RDA serves as a target calcium intake from both foods and supplements. Consuming the RDA of calcium daily promotes strong bones, reduces fracture risk, and provides other health benefits.

Top Calcium-Rich Fortified Cereal Brands and Products

1. Multigrain Cheerios?

Multigrain Cheerios is one of the best fortified cereal options for obtaining calcium. A 1 cup serving of Multigrain Cheerios contains 1000 mg of calcium, providing 100% of the RDA for most adults. This makes it an excellent choice for optimizing calcium intake. In addition to its abundant calcium content, Multigrain Cheerios supplies 6 grams of fiber and 6 grams of protein per serving. The cereal is made from whole grains like oats, corn, rice, and wheat.

2. Fiber One?

Fiber One cereal is another leading source of calcium among fortified breakfast cereals. A 3/4 cup serving of Fiber One original bran cereal contains 1000 mg of calcium. The same size serving of Fiber One honey clusters also provides 1000 mg of calcium. Along with its extremely high calcium level, Fiber One is notoriously high in fiber at 44 grams per serving. This makes it beneficial for digestive health. Fiber One cereal is made from wheat bran along with other whole grain sources.

3. Special K Protein?

Within the Special K brand, the Protein line of cereals stands out for its calcium content. A 1 cup serving of Special K Protein contains 950 mg of calcium, just under the 1000 RDA but still an abundant amount. Special K Protein cereal also supplies 11-12 grams of protein per serving. It is made with wheat, rice, and barley along with added protein.

4. Total Whole Grain?

Total Whole Grain cereal by General Mills contains a medley of whole grains along with generous calcium fortification. A 3/4 cup serving provides 850 mg of calcium. Total Whole Grain also supplies 5 grams of fiber and 7 grams of protein per serving. Its blend of whole grains includes wheat, oats, rice, corn, and barley.

5. Post Great Grains?

Within the Post brand, Post Great Grains is one of the highest calcium options. A 1 cup serving of Post Great Grains Banana Nut Crunch contains 750 mg of calcium. Great Grains cereals are also good sources of protein and fiber. They contain a blend of whole grains like wheat, oats, corn, and rice along with various other ingredients.

6. Post Bran Flakes

Post Bran Flakes contain 680 mg of calcium in each 3/4 cup serving. Along with its solid calcium content, Post Bran Flakes provides 7 grams of fiber per serving yet is still light and crispy in texture. It is made purely from wheat bran along with added vitamins and minerals.

7. Special K Original?

While not as high in calcium as Special K Protein, the original Special K still provides a reasonable amount. Each 1 cup serving contains 550 mg of calcium, over half the recommended daily intake. Special K Original also supplies 6 grams of protein and is low in sugar compared to many breakfast cereals. It is made from rice, wheat, and barley.

8. Special K Nourish

Special K Nourish is another cereal from the Special K line that contains ample calcium. A 3/4 cup serving provides 450 mg of calcium. This cereal also stands out for its multigrain and ancient grain ingredients like quinoa, amaranth, and millet. It supplies protein, fiber, antioxidants, and other nutrients beyond just calcium.

Comparing Calcium Contents

The above cereal brands and products represent optimal fortified cereal choices for obtaining the highest amounts of calcium. As the data shows, the calcium content can vary significantly depending on the specific cereal. Multigrain Cheerios ranks #1 by far, providing 100% RDA calcium per serving. Fiber One and Special K Protein supply nearly equal amounts. Further down the top eight list, certain cereals like Special K Original and Special K Nourish still offer a moderate calcium content.

When aiming to maximize calcium intake through fortified cereals, the best options are clearly Multigrain Cheerios, Fiber One, and Special K Protein varieties based on their stellar calcium levels. However, all of the top eight cereals highlighted offer strong calcium nutrition profiles overall.

Additional Nutritional Benefits

An added advantage of these calcium-rich fortified cereals is that they provide a range of other nutrients beyond just calcium. Here is a quick look at some of the other nutritional perks:

  • Fiber – Fiber One, Post Bran Flakes, Total Whole Grain, and several others supply at least 5 grams of fiber per serving, supporting digestive and heart health.
  • Protein – Special K Protein, Special K Original, Great Grains, and others contain 6 or more grams of protein per serving to support energy, muscle maintenance, and satiety.
  • Vitamins/minerals – All the cereals are fortified with B vitamins like B12, niacin, and folate along with trace minerals like zinc and iron.
  • Whole grains – The cereals deliver whole grain nutrition from various sources like wheat, oats, rice, corn, barley, etc.

In addition to packing high calcium, these nutritionally well-rounded cereals make easy, convenient breakfast options. Their calcium content complements the other beneficial nutrients.

Other Top Calcium Sources Beyond Cereal

While fortified cereals can be calcium superstars, its important to consume other calcium sources as part of a balanced diet. Here are some other top foods that provide ample calcium:

Dairy Products

  • Milk – 1 cup contains 300 mg calcium
  • Yogurt – 1 cup contains 300-450 mg
  • Cheese – 1 oz contains 200 mg

Leafy Greens

  • Collard greens – 1 cup cooked contains 357 mg
  • Kale – 1 cup raw contains 100 mg
  • Broccoli – 1 cup raw contains 40 mg

Fortified Plant Milks

  • Soy milk – 1 cup contains 300 mg
  • Almond milk – 1 cup contains 450 mg
  • Oat milk – 1 cup contains 350 mg

Dairy products, dark leafy greens, and fortified plant-based milk alternatives all contribute substantial amounts of calcium. Combining these and other calcium sources with high-calcium fortified cereals can help reach daily calcium intake goals.

Achieving Optimal Calcium Intake

Aim to obtain the RDA of calcium daily to support bone health and other functions. Focus on foods providing the highest amounts to meet your needs efficiently. From this analysis, fortified cereals like Multigrain Cheerios, Fiber One, and Special K Protein rise to the top. But also routinely incorporate dairy, leafy greens, fortified plant milks, and other calcium all-stars. Read labels to track calcium intake from foods. If unable to meet needs from food alone, calcium supplements are another option. Prioritize calcium every day for its wide-ranging benefits.

Key Takeaways:

  • Fortified cereals like Multigrain Cheerios, Fiber One, and Special K Protein provide 1000+ mg of calcium per serving.
  • Check cereal labels closely, as calcium content varies greatly depending on brand and product specifics.
  • Benefits beyond calcium include fiber, protein, B vitamins, antioxidants, and whole grains.
  • Also include dairy, leafy greens, fortified plant milks to maximize calcium intake.
  • Aim for 1000-1300 mg of calcium intake based on age and gender RDA.

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