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Does oat milk have calcium in it?

What is calcium and do you need it?

Calcium is a mineral generally associated with bone and teeth health, but it’s also essential for muscle contractions and nerve processes.

Common sources of calcium include dairy, vegetables, and baked beans. For those on a dairy-free diet, it can be difficult to get enough calcium (unless you’re living on baked beans!). 

How much calcium do you need per day?

The recommended daily intake of calcium depends on your age.

  • 0–1 years - 250mg per day
  • 1–3 years - 700mg per day
  • 4–8 years - 1,000mg per day
  • 9+ years - 1,200mg per day
Does oat milk have calcium in it represented by milk glass on pink background

Does oat milk have calcium in it?

The good news is that oat milk naturally contains calcium. The bad news is that it’s present in much smaller quantities compared to dairy milk.

As a result, calcium is often added to oat milk to bring the levels closer to dairy milk. 

Oat milk that has added calcium is referred to as “fortified”. 

How much calcium is in oat milk?

Oat milk that isn’t fortified with calcium contains around 5mg per 100ml. 

Oat milk that is fortified with calcium contains between 60mg and 120mg per 100ml.

In comparison, cow’s milk contains 120mg per 100ml, thus calcium-fortified oat milk can be considered a good calcium replacement for dairy.

How to know if oat milk has added calcium?

1️⃣ Health claim

Look for an “added calcium” or “fortified” claim on the packaging.  

2️⃣ Ingredient list

Check the ingredient list on the packaging. Oat milk that has been fortified with calcium will contain ingredients such as “calcium carbonate” or  “tricalcium phosphate”.

3️⃣ Nutritional info

Check the nutritional information on the packaging. If the amount of calcium listed is 60mg per 100ml or above then the oat milk has been fortified.

If the calcium content is not listed then no calcium has been added.

Which UK oat milk brands fortify with calcium?

Brands which are fortified

  • Oatly oat milk is fortified with calcium.
  • Overherd oat milk is fortified with calcium.
  • Califia Farms oat milk is fortified with calcium.
  • Alpro oat milk is usually fortified with calcium.

❌ Brands which are not fortified

  • Minor Figures oat milk is not fortified with calcium.
  • Jord oat milk is not fortified with calcium.
  • Plenish oat milk is not fortified with calcium.
  • Rude Health oat milk is not fortified with calcium.

Why doesn’t oat milk contain much calcium naturally?

As we mentioned oats do naturally contain calcium; however it's important to remember that oat milk is 90% water and so the calcium content is essentially diluted.

This is why we launched Overherd oat milk powder, where you add the water instead.

What other vitamins and minerals are in oat milk?

Naturally occuring

Oat milk naturally contains a range of B vitamins including B1, B2, B3, B5, B6, B9. It is also rich in minerals such as manganese, phosphorus, magnesium, copper, iron and zinc.

Commonly added

Alongside calcium, other commonly added vitamins and minerals include iodine, vitamin B12, vitamin D and iron.

What about gluten?

Check out our full guide on gluten in oat milk and our list of gluten free oat milk brands in the UK to save you some time.

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