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What is the Best Way to Take Calcium?

Published in Nutrition 2 mins read

For optimal calcium absorption, consume calcium in doses of 600mg or less at a time, ideally spread throughout the day through both food and/or supplements.

Here's a more detailed explanation:

Why Smaller Doses Are Better

The body doesn't absorb calcium efficiently in large amounts. When you ingest a high dose of calcium (e.g., >600mg), your body can only absorb a limited amount. The rest is excreted, essentially wasting the supplement.

Optimizing Calcium Absorption

  • Spread it Out: Instead of taking one large calcium supplement, divide your daily calcium intake into smaller doses taken with meals.
  • Food First: Prioritize obtaining calcium from dietary sources like dairy products, leafy green vegetables (kale, spinach), fortified foods (cereals, plant-based milks), and canned fish with edible bones (sardines, salmon).
  • Supplements as Needed: If you're unable to meet your daily calcium requirements through diet alone, consider using calcium supplements to fill the gap.

Calcium Supplement Considerations

  • Calcium Carbonate: This type of supplement is best absorbed when taken with food, as stomach acid helps with absorption. It's also generally the most affordable type.
  • Calcium Citrate: This form is absorbed equally well with or without food, making it a good choice for individuals with digestive issues or those taking medications that reduce stomach acid.
  • Vitamin D: Vitamin D is crucial for calcium absorption. Ensure you're getting enough Vitamin D through sunlight exposure, diet, or supplements. Many calcium supplements already include vitamin D.
  • Magnesium: Magnesium also plays a role in calcium metabolism. A balanced intake of both calcium and magnesium is important for bone health.
  • Consult Your Doctor: Talk to your healthcare provider or a registered dietitian before starting any new supplement regimen, especially if you have underlying health conditions or are taking medications. They can help determine the appropriate dosage and type of calcium supplement for you.

Example Schedule

Here's an example of how to spread out calcium intake:

Meal/Snack Calcium Source Approximate Calcium Amount
Breakfast Fortified Cereal with Milk 300mg
Lunch Salad with Cheese 200mg
Dinner Salmon with bones 300mg
Snack (evening) Calcium Supplement (if needed) 300mg

Important Note: Individual calcium needs vary based on age, sex, and other factors. Consult with a healthcare professional to determine the appropriate daily calcium intake for your specific needs.