Time to Digest Foods and Why It’s Important

All foods digest in the body at different times. This is how long they sit in the stomach before passing into the intestine. It’s important to understand the different food digestion times to avoid digestive issues or discomfort.

If you suffer from irritable bowel syndrome, it’s worth checking you’re not compounding the problem by mixing foods that digest at different rates.

The times specified in this article are approximations as the exact digestion time does depend on the person and their age, health, metabolism, and many other factors.

Fast and Slow Digesting Foods

Fast digesting foods pass through your stomach quickly, so they will not fill you up. This makes it easy to overeat and consume more calories, leading to weight gain. The biggest causes of weight gain from fast digesting foods are often fruit juice. It is calorific, high in sugar, and easy to consume a large amount of.

On the other hand, slow digesting foods are absorbed at a steady rate, supplying your body with constant energy. However, it’s important not to consume too many slow digesting foods to avoid overworking your digestive system.

Avoid Mixing Fast and Slow Digesting Foods

It’s advised to avoid mixing slow and fast digesting foods in the same meal. Have the fast digesting foods first, such as fruit, then move onto the slower complex carbohydrates once the fruit is digested. Eating fruit after a heavy, slow digesting meal can cause it to sit in the stomach and ferment, causing gastric issues.

If you eat something while your body is still digesting the last meal, it can cause discomfort and risks overloading your stomach.

For breakfast and dinner, eat meals with quickly digested foods. You don’t want to overstress the body after waking up or digest foods while trying to sleep.

Lunch is the time to eat foods that have a mixture of different digestion times, as the body is at its most productive. Something like a cashew cheesecake isn’t perfect food combining, but lunch is the best time to eat it.

Water Digestion

On an empty stomach, water leaves immediately and enters the intestines. It’s recommended to have a glass of water first thing in the morning before any food to hydrate yourself rapidly. Drink water half an hour before a meal, not because of digestion, but to stop washing away nutrients.

Juices, Smoothies, and Broths Digestion

Juices or broths contain no fiber and will be digested in about 15-20 minutes. Fresh juices are a useful way to get a lot of vitamins and minerals from fruit and vegetables absorbed quickly. For health reasons, it’s recommended to have juices that are at least 50% vegetables to prevent having too much fruit sugar.

Smoothies are where fruit, vegetables, or salad have been blended and retain the fiber. They are more useful than juices for filling you up as they take 20-30 minutes to digest.

Fruit Digestion

Watermelons are digested in 20 minutes, and other melons take 30 minutes. Oranges, grapefruit, grapes, and bananas also take 30 minutes.

Most other fruit such as apple, pear, cherries, plums, and kiwi take 40 minutes to digest.

It’s recommended to only eat fruit together that is digested at the same time to avoid digestive issues and IBS. For this reason, watermelon should always be eaten on its own.

Vegetable Digestion

Raw high-water salad vegetables such as lettuce, cucumber, peppers, tomatoes, and radishes digest in 30 minutes.

Leafy green and cruciferous vegetables such as kale, broccoli, cauliflower, bok choy when cooked digest in 40 minutes.

Root vegetables, excluding potatoes, like beetroot, carrot, and parsnip digest in 50 minutes.

Starchy vegetables such as butternut, corn, sweet potatoes, potatoes, and chestnuts digest in 60 minutes.

Grains and Concentrated Carbohydrates Digestion

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Brown rice, buckwheat, oats, and cornmeal take 90 minutes to digest.

Pulses and beans all take about 120 minutes to digest. This includes black beans, chickpeas, lentils, red kidney beans, and soybeans.

Seeds and Nuts Digestion

All high-fat seeds like sunflower, pumpkin, sesame take about 2 hours to digest. It’s recommended to soak your seeds like in my pumpkin seed candy to aid digestion.

Nuts all take around 3 hours to digest. This includes the legume peanuts and all other nuts like almonds, cashews, walnuts, pecans, and brazils.

Meat and Dairy Digestion

Nest and Glow is a plant-based recipe site, but for completion, I will include the digestion times for meat and dairy.

Skimmed milk and low-fat cheese products take 90 minutes. Cottage cheese and soft cheeses take 2 hours. Hard cheeses take 5 hours.

Egg yolk takes 30 minutes, and whole egg takes 45 minutes.

Non-oily fish takes 30 minutes, and oily fish takes 50 minutes.

Chicken and turkey take 2 hours, beef and lamb take 4 hours, and pork takes 5 hours.

Food Digestion Bottom Line

• Always eat fruit before the main meal as it digests much quicker.
• Avoid pure fruit juice and have at least 50% vegetables in a fresh juice to avoid having too much sugar.
• Don’t overstress your body by eating foods with a long digestion time either first thing in the morning or last thing at night. This can cause insomnia.
• Lunchtime is the best time to mix foods with different digestion times.
• Digestion times are rough estimates and depend on the individual.

Have you tried adjusting your diet according to food digestion times? Has it helped solve issues with IBS? Please do let me know in the comments below.

If you have digestive issues that leave you in severe pain, speak to a medical professional to investigate and do not diagnose yourself.

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