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Squats & Lunches

Plant-based health & wellness

Last updated: March 26, 2026

30 Plant-Based Foods a Week: Why & How to Eat So Many

By now you’ll know that eating plants and plant-based foods is really good for your health.

A plant-based diet has so many benefits for your overall health.

It has been shown to help lower blood pressure, boost the immune system and protect against health problems like heart disease and stroke.

But did you know that a plant-based diet is also incredibly beneficial when it comes to having good gut health?

In fact, there is a certain number of different plant-based foods you should consume in one week for incredible gut health benefits.

Specifically, the number we should all be seeking to achieve when it comes to our plant intake is 30.

A lot of people in recent years have tried to incorporate a wide variety of plants into their diet to get a healthier gut.

Here’s why you should try eating 30 plant based foods a week.

What is the 30 plant based foods a week challenge?

The 30 plant based foods a week challenge came about after a study by the American Gut Project demonstrated that this number contributed to a much more healthy gut microbiome.

The American Gut study of over 10,000 people around the world showed that those who ate 30 or more different plant based foods a week had a much more diverse gut microbiome than those who consumed 10 or less per week.

30 plant based foods a week challenge list

Therefore, since consuming 30 plant based foods a week has been shown to significantly improve gut microbiome diversity, a challenge arose online to see who is able to fit this many plant-based foods into their diet in 7 days.

The good news when it comes to this challenge (aside from the obvious health benefits) is that the plant-based foods do not just include fruits and vegetables.

There is such a large variety of plant foods that you can eat for this challenge so you will never run out of ideas.

Why is gut health important?

The gut microbiome is made up of trillions of microbes that include bacteria, fungi and viruses.

Many of the bacteria are beneficial for health and play a crucial role in keeping the body healthy.

These good bacteria have different roles to play from each other.

Some bacteria help with digestion, others play a role in breaking down toxins, and others help to protect the immune system or help to prevent disease.

Without gut bacteria we would not survive.

It is important to have diverse gut microbes so that lots of different functions can be performed by different microbes, which in turn help to both protect and promote bodily health.

The 30 plants a week checklist

To facilitate the growth of different species of bacteria and have a really healthy gut microbiome, try the 30 plant based foods a week challenge.

nuts and seeds

There are so many different types of plant foods that you will find it easy to consume at least 30 different plants and plant-based foods in one week.

Here is a helpful 30 plants a week checklist to help you increase the amount of plants you eat in 7 days.

Remember that you can only eat anything from this list once in a 7 day period.

Many of these are vegan fermented foods that contain beneficial probiotics. 

You must eat at least 30 different plant based foods in a week in order to diversify your gut microbiome.

List of whole grains:

Quinoa

Oats

Millet

Brown rice

Rye

Barley

Buckwheat

List of beans and legumes:

Fava beans

Kidney beans

Broad beans

Mung beans

Lentils

Chickpeas

Black beans

Haricot beans

Butter beans

Cannellini beans

green beans

List of starchy vegetables:

Sweet potatoes

White potatoes

Squash

Pumpkin

Corn

Turnip

Swede

Parsnips

Peas

List of leafy greens:

Spinach

Arugula

Kale

Swiss chard

Lettuce

Collard greens

Cabbage

Watercress

Mustard greens

List of nuts and seeds:

Pumpkin seeds

Sesame seeds

Brazil nuts

Cashew nuts

Peanuts

Chia seeds

Flax seeds

Walnuts

Macadamia nuts

Pine nuts

Pecans

Sunflower seeds

nuts and vegetables for the 30 plant based foods a week challenge

List of fruits:

Apples

Bananas

Oranges

Pineapple

Avocado

Melon

Grapefruit

Berries

Dates

Coconut

Grapes

Kiwi fruit

Papaya

Apricots

Olives

List of other vegetables:

Broccoli

Carrots

Cucumber

Cauliflower

Tomatoes

Artichoke

Radish

Mushrooms

Eggplant

Peppers

Chillis

Onions

Beetroot

Leeks

Zucchini

List of herbs & spices:

Cilantro

Parsley

Cumin

Garlic

Mint

Nutmeg

Rosemary

Thyme

Sage

Pepper

Ginger

Dill

Chives

Basil

Turmeric

You can also include extra virgin olive oil as one of your 30 plant based foods a week. Another great way to incorporate plant-based foods into your week is by growing sprouts at home to add to meals. 

By following the guidelines of eating 30 different types of plant-based foods in a week you will ensure that your body has a significantly more diverse microbiome.

There are so many different foods to choose from in this challenge.

You can easily incorporate different fruit, fresh herbs, whole foods, and plenty of vegetables into a variety of recipes for special occasions such as a Valentine’s Day picnic.

There are so many different types of plants we can eat that it can never be boring or monotonous and you can find a delicious plant-based recipe for any of the plant foods above easily online.

An easy way to ensure you are finding enough fresh vegetables and portions of fruit is to order a local fruit and veg box or pop down to your local farmers market to stock up each week on the best seasonal produce.

You’ll reap the incredible nutritional value of these foods and sustain a healthy gut microbiome at the same time, which will contribute to natural protection against chronic diseases and a better functioning body.

Metabolism boosting vegan foods

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Posted In: Lifestyle

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