Food Combining

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Food and the Digestive System

Food is the fuel we require to stay alive. To use food properly and assimilate the essential nutrients present in it, our digestive system needs to break the food that we eat into smaller components. We can enjoy the numerous benefits of various foods only when our digestive system is working properly.

Different foods require different conditions in the stomach and different enzymes for proper digestion. For instance, proteins require acidic juices for digestion, while carbohydrates require alkaline juices. When the different juices are used simultaneously, they neutralize the effect of one other and retard digestion. The result is that the food we eat is not digested properly, and food particles seep into in crevices located in the intestinal tract. These leftover food particles, over time, ferment and putrefy. This in turn can lead to various health problems such as bloating, constipation, irritable bowel syndrome, heartburn, cramps, flatulence, and malabsorption. Moreover, the leftover food particles become ‘food’ for harmful bacteria, which in turn can cause many other health problems.

To ensure complete absorption of the food we eat, we don’t need to understand the intricacies of the digestion process. The knowledge about which food type should be eaten with another, and the implementation of proper food combining techniques is sufficient to ensure proper digestion and assimilation of essential nutrients.

Food combining for weight loss

Food combining for weight loss is a simple, yet very effective way to ensure that the body burns fat properly. The idea is to eat certain foods together to aid digestion while avoiding other foods in the same meal.

Benefits of a food combining diet

Here’s a look at some of the benefits of a food combining diet:

  • Enables the body to burn fat effectively
  • Prevents accumulation of undigested food particles in the intestine
  • Prevents digestive problems such as constipation, irritable bowel syndrome, bloating, heartburn
  • Improves energy levels and vitality

Food types

To incorporate proper food combining techniques, it is essential to know about the different types of food and which food type can be used with the other.

On the basis of how food is digested, it is divided into the following four groups:

Food Group 1 – Proteins

Protein-rich foods include: eggs, fish, meat, milk, soybeans, soya products, tofu, nuts, cheese, yogurt, and shellfish.

Food Group 2 – Carbohydrates

Foods that are rich in carbohydrates include: rice, maize, pasta, oats, millet, honey, potatoes, starchy vegetables, sweets, grain products, bread, biscuits, cakes, and pastries.

Food Group 3 – Non-starchy vegetables

This group contains non-starchy vegetables, salads, fresh herbs, butter, seeds, cream, olive oil (cold-pressed), and spreading fats.

Food Group 4 – All fruits

Fruits are further categorized into four categories: acidic fruits, sub-acidic fruits, sweet fruits, and melons.

Acidic fruits include: oranges, lemons, grapefruit, pineapples, tangerines, pomegranates, etc.

Sub-acidic fruits include: mango, apples, papaya, plums, kiwi, peaches, berries, etc.

Sweet fruits include: figs, dates, bananas, prunes, dried fruits, etc.

Melons include: casaba, watermelon, muskmelon, honeydew, etc.

Food combination

  • Foods belonging to Group 1 (proteins) should not be eaten with foods that fall in Group 2 (carbohydrates).
  • Group 3 foods (non-starchy vegetables) can be eaten with either Group 1 foods or Group 2 foods.
  • Group 4 foods (fruits) should only be eaten alone. Furthermore, acidic fruits can be eaten with sub-acid fruits, but not with sweet fruits. Sub-acid fruits can be eaten with acid fruits, as well as sweet fruits. However, sweet fruits should not be eaten with acidic fruits. Lastly, melons should not be eaten with any other type of fruit.
  • Our body takes four hours to completely digest proteins. That is why you should not eat carbohydrates for three hours after consuming a protein-rich meal.
  • Carbohydrates are digested by our body in two hours. So, if you have eaten a carbohydrate-rich meal, then you must give a gap of two hours before eating a protein-rich meal.
  • It is best to eat fruits on an empty stomach. Do not consume fruits for at least three hours after eating other foods. Also, do not consume a meal after eating fruits for at least 30 minutes.

Figures 1 and 2 illustrate which food type should be combined with another:

Figure 1

Food Combining

Figure 2

Food Combining

Food Combining
Food Combining


Larry & Oksana Ostrovsky, founders of BeWellBuzz, are Life Upgrade Coaches committed to helping you navigate through the latest natural health and personal development information to a destination of optimal wellness. The goal of this site is to be a catalyst in creating and spreading the Buzz, dispelling dangerous myths, society norms and helping you elevate your spirit, do more, live better, and think deeper one day at a time.We’d like to thank you in advance for not only visiting and arming yourself with great information but also sharing it with family and friends. Check out and subscribe to our YouTube Channel and become a fan of our Facebook Page
Food Combining
Food Combining

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  • Melissa orion

    Where do avocados fall in this? are they considered a fruit and shouldn’t be eaten with other foods?

    • Buzz Team

      The best way to use avocado is with salad. Dr. Vetrano says: “Eating avocados with salad enhances their digestion. The next best combination for the avocado is taking it with subacid or acid fruit. The fat in the food does not seem to interfere with the emptying time of the stomach and we have excellent results with this combination. The protein, which is about 2.1 to 2.5 percent, is not sufficient to interfere with the digestion of fruit. It is even better when lettuce leaves and celery are eaten with the fruit and avocado. By diluting the fats and the sugars with the lettuce, the emptying time of the stomach is not depressed.

      Those who have weak stomachs with poor muscle tone would probably do better by taking avocado only with vegetable salads. If lettuce is taken with a sweet fresh fruit and avocado, even these digest well. It is probably best to never combine avocado with sweet dried fruit unless it is just a small amount of both eaten with a great deal of vegetables.”

  • tina

    very frustrating those bars with red says BAD and next to it is good, What are you saying?

    • Buzz Team

      We’re sorry you’re frustrated Tina. We’re saying follow the pointy arrows… They hold the answers :-)

  • carrie

    the chart is showing that if you eat the sweet fruits WITH the acidic fruits, it’s a bad combination. eating the sub-acidic fruits with either side is okay. not the best thing to do to eat a banana and an orange in the same sitting, but go for it when you want a pineapple and a pear. hope that helped ;o)

  • Antonieta

    I’m so grateful for this article, this information is very necessary for everybody. It’s clear and easy to follow. I’ll translate it and give it to my family members as they are always asking about food combination. Fruit is the only thing that I find difficult to eat because of the subgroups and because I love leaf salads with fruits and yes, should avocado be treated as a fruit? we always eat them with either proteins or carbohydrates. thank you and the best year

  • nico

    no mention of the worst combo? high fat/oil foods eaten with sweet or dried fruits…

  • Melissa

    Could you please give examples of starchy and non-starchy vegetables?

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