Raw vs Cooked Food.  Which Is Best For Us?

Raw vs Cooked Food. Which Is Best For Us?

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Raw vs. Cooked – Which Contains More Vitamins and Minerals? 

Have you heard the recommendation to eat certain foods raw? Or what about the raw food diet in which you have to eat everything raw? Do you already eat a variety of healthy foods but would really like to know how to get the most vitamins and minerals out of them? 

Let’s finally put an end to the debate of raw vs. cooked. 

You’re probably not surprised that there isn’t a “one size fits all” approach to maximising the vitamins and minerals your body absorbs from foods.  Of course, in the grand scheme of a well-balanced, nutrient-dense, varied, whole foods diet, the cooked vs. raw debate isn’t that critical for most people. 

Where this can become a consideration is for vitamin and mineral deficiencies (or “insufficiencies”). These may be due to digestion or absorption issues, or avoidance of certain foods (due to allergies, intolerances or choice). 

And I’ll tell you that the answer isn’t as simple as “raw is always better” or “cooked is always better.” As with most nutrition science, it depends on several factors. Some vitamins are destroyed in cooking, while others become easier to absorb (a.k.a. more “bioavailable”). 

Let me go over which types of foods are best eaten raw and which ones are best eaten cooked to maximise their nutritional benefit. 

Foods to eat raw  

As a general rule, water soluble nutrients, like vitamin C and the B vitamins, found mostly in fruits and vegetables, are best eaten raw. 

The reason why is two-fold.  

First, when these nutrients are heated, they tend to degrade; this is from any heat, be it steaming, boiling, roasting, or frying. Vitamin C and the B vitamins are a bit more “delicate” and susceptible to heat than many other nutrients. 

Of course, the obvious way to combat these nutrient losses is to eat foods high vitamin C and B vitamins in their raw form (like in a salad) or to cook them for as short a time as possible (like quickly steaming or blanching). 

Fun fact: Raw spinach can contain three times the amount of vitamin C as cooked spinach which is why I add it to my smoothies every morning (and my toddler gets it this way too!) 

The second reason why foods high in vitamin C and the B vitamins are best eaten raw is that they’re “water soluble.” So, guess where the vitamins go when they’re cooked in water? Yes, they’re dissolved right into the water; this is particularly true for fruits and veggies that are boiled and poached but even for foods that steamed as well. 

Of course, if you’re a savvy health nut, you’ll probably keep that liquid to use in your next soup or sauce to preserve those nutrients that are left after cooking.  Just don’t overheat it or you may lose what you were aiming to keep. 

But, how much loss are we talking about? Well, of course, it ranges but can go from as low as 15%, up to over 50%. 

In short, the water soluble vitamins like vitamin C and the B vitamins degrade with heat and some of what’s left over after they’re heated dissolves into the cooking water. So be sure to cook your fruits and veggies as little as possible, and keep that cooking water to use in your next recipe. 

Soaking nuts and seeds 

Regarding raw nuts and seeds, it may be beneficial to soak them. Soaking nuts and seeds (for several hours at room temperature) allows some of the minerals to become “unlocked” from their chemical structure, so they’re more absorbable. 


Foods to eat cooked 

Cooking certain orange and red “beta-carotene rich” veggies (e.g. tomatoes, carrots & sweet potatoes) can help make this pre-vitamin A compound more absorbable.  

Fun fact: One study found that absorption of beta-carotene was 6.5 times greater in stir-fried carrots than in raw carrots! 

Of course, eating your fat-soluble vitamins with a bit of healthy fat will help you to absorb more of them, so that’s one factor to consider. 


Now I might have told you that there is loads more vitamin C in raw spinach but in fact this is one vegetable that’s best eaten both raw and cooked!  Eating raw spinach preserves the water-soluble vitamins C & the B vitamins.  Eating cooked spinach allows the pre-vitamin A, as well as some of the minerals like iron to be better absorbed. Not to mention how much spinach reduces in size when it’s cooked, so it’s easier to eat way more cooked spinach than raw spinach. 



The old nutrition philosophy of making sure you get a lot of nutrient-dense whole foods into your diet holds true. Feel free to mix up how you eat them, whether you prefer raw or cooked, the most important thing is to just make sure you eat them. 

Here’s a little cooked spinach recipe for you:

Sauteed Spinach 

Serves 4  

2 teaspoons olive oil 

2 cloves garlic 

1 bag baby spinach leaves 

1 dash salt 

1 dash black pepper 

Fresh lemon 

  1. In a large cast iron pan heat olive oil.
  2. Add garlic and saute for 1 minute.
  3. Add spinach, salt, pepper and toss with garlic and oil.
  4. Cover pan and cook on low for about 2 minutes.
  5. Saute cook spinach for another minute, stirring frequently, until all the spinach is wilted.
  6. Squeeze fresh lemon juice on top.

Serve & enjoy! 

Tip: Enjoying the cooked spinach with the vitamin C in the “raw” lemon juice helps your body absorb more of the iron. 


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