What Happens to Your Body When You Go Vegan? | PETA (2024)

Published by Rebecca Libauskas.

4 min read

Folks are realizing that it’s not healthy to exploit and kill animals for food. According to data from Google Trends for 2022, vegan-related searches outranked those for keto. And according to research by Chef’s Pencil, searches about vegan food are the most popular of all the diet-related terms they studied.

The First 24 Hours After Going Vegan

You may feel a difference after just a few healthy plant-based meals. Vegan foods such as whole grains, vegetables, fruits, and legumes are rich in fiber, which promotes good digestion by reducing the amount of sugar your blood absorbs. And researchers have found that eating plant-based foods helps healthy gut bacteria flourish and decreases inflammation.

You may well feel refreshed after just the first 24 hours of vegan living. Perhaps you’ve experienced “meat sweats”—a phenomenon that can occur after consuming a meat-heavy meal. Well-balanced vegan meals provide all the energy you need to remain active throughout the day, without the heavy, gross feeling you can get after consuming animal-derived food.

A Few Days After Going Vegan

Within the first few days of plant-based eating, you may feel more energized and alert. The protein in meat is tougher for humans to break down than plant protein is, making it a challenge to digest, which can cause sluggishness. And meat contains a lot of fat, which slows down the rate at which your stomach empties, resulting in bloating and discomfort, not to mention an increased likelihood of unwanted weight gain. Going vegan is a simple way to feel and look better fast.

After just a few days, you might notice a “vegan glow” when you look in the mirror. Antioxidants found in fresh fruits and vegetables, which assist in shielding skin from cellular damage, probably contribute to this effect.

After a Few Weeks of Being Vegan

Soon, you may notice that your cravings are beginning to adjust. Research shows that even after a few weeks without consuming foods high in salt, fat, and sugar, your tastes begin to change in a positive way. Craving foods that make you feel good is a game changer for many who are trying to improve their health.

We all have jeans that are a bit snug. You may be surprised by how quickly they become more comfortable once you go vegan. Meanwhile, your energy level may improve, making it easier to exercise. And your body may release extra water that it was retaining.

After a Few Months of Being Vegan

If you stick with it, you may begin to notice increased mental acuity. Perhaps that’s partly because new vegans often report that they sleep better.

Studies also show that going vegan may lower A1C levels. Some folks have even stopped needing their blood pressure or diabetic medication after making the switch.

Many people report positive changes, inside and out, after just a few months. Some even discover that their hair looks shinier, thicker, and healthier—likely due to the elevated levels of antioxidants, vitamins, minerals, and phytonutrients in a plant-based diet.

The Long-Term Benefits of Being Vegan

As a vegan, you may feel like a brand-new person. According to the Centers for Disease Control and Prevention, the benefits of sticking with healthy vegan food choices over the long term include the following:

  • Improved health of the skin, teeth, and eyes
  • Enhanced muscular function and strength
  • Enhanced immunity
  • Stronger bones
  • Reduced risk of developing heart disease, various forms of cancer, type 2 diabetes, and other diseases
  • Improved digestive system performance
  • Greater likelihood of either losing weight or maintaining a healthy weight
  • Excellent support for a healthy pregnancy and breastfeeding

And according to research, eating a diet high in fruits, vegetables, and whole grains lowers your risk of cognitive decline as you age.

When You Go Vegan, Other Animals Benefit, Too!

The shift toward vegan eating helps us all. In 2020, the lives of approximately 1 million animals were spared because more U.S. fast-food restaurants started offering vegan options.

The single best thing we can do to prevent animal suffering is to go vegan. It’s a matter of supply and demand. Fewer animals are raised to suffer on farms and die in slaughterhouses when you refuse to pay for their flesh, eggs, milk, and honey. You can save nearly 200 animals per year just by going vegan!

Order a free copy of PETA’s vegan starter kit to start sparing animals and feeling better today. It will guide you through the transition to a healthier, happier, and longer-lasting life.

Send Me a Free Vegan Starter Kit!

What Happens to Your Body When You Go Vegan? | PETA (2024)

FAQs

What Happens to Your Body When You Go Vegan? | PETA? ›

Vegan foods such as whole grains, vegetables, fruits, and legumes are rich in fiber, which promotes good digestion by reducing the amount of sugar your blood absorbs. And researchers have found that eating plant-based foods helps healthy gut bacteria flourish and decreases inflammation.

What happens to our body when we go vegan? ›

At the start of a change to a vegan diet, you could experience a variety of differences to your body. These may include being hungrier, getting gassier, a change in your skin or body odor, weight loss or gain, better or worse sleep, headaches, tiredness, or having more energy.

What happens if we all become vegan? ›

If we all gave up meat, around eight million fewer people would die each year, as a result of lower levels of heart disease, strokes and cancer. But most crops have lower levels of micronutrients per calorie than meat – especially vitamins A, B12 and D, and some essential fatty acids.

What happens if you suddenly go vegan? ›

You're likely to notice changes if you decide to go vegan and abstain from non-plant foods. If you stick with healthy food choices, you'll likely lose weight and snack less. You may also see improvements in your skin and energy levels.

What happens to your digestive system when you go vegan? ›

Going vegan is like an extreme makeover for your gut, and it doesn't take long for this change to happen. The fiber in plant-based foods feeds good bacteria, which is essential for a healthy gut and better overall health. Fiber will also improve your bowel movements, keeping you regular and preventing constipation.

Is going vegan actually healthy? ›

Taking stock. The account presented above shows that vegan diets can fulfil all the nutritional requirements that are needed to support good health. Nutrients that present particular concerns are vitamin B12 and omega-3 fatty acids as few vegan foods that are currently used for human consumption contain these.

Do you live longer being vegan? ›

While there is some scientific research to suggest that going vegan and eating less animal protein can help to prevent diseases, the evidence is still lacking in terms of cold, hard numbers on longevity in particular. However, this doesn't mean that a vegan diet won't help you live longer.

Is it okay to be vegan forever? ›

When done safely, going vegan is safe, whether you plan on doing it for three days, three years, or for an entire lifetime. There are lots of people who embark on a vegan diet only to find themselves suffering from just as many health problems as those who consume a diet rich in meat, dairy, and other animal products.

What happens if humans stop eating meat? ›

When you follow a meatless or limited plant-based diet, you might miss out on important vitamins and minerals. Supplements can boost your levels of vitamin B12 (only found in animal-based foods), iron, calcium, and vitamins A, B, and D. Talk to your doctor about which supplements are best for you.

Is there a negative to being vegan? ›

As we've mentioned already, one of the biggest disadvantages of a vegan diet is the risk of nutritional deficiency. Some nutrients, like vitamin B12 or taurine, are not present in plants. You can only get them from meat, eggs, dairy, etc.

Does your body detox when you go vegan? ›

It's not so much that your body detoxes when you go vegan, more that you stop putting foods into your body that can throw it out of balance, cause inflammation, oxidative stress and ultimately disease. The vegan diet is not a special 'detox' diet.

Are there any side effects to going vegan? ›

Low vitamin B12 intake is a significant problem in vegan diets due to the exclusion of vitamin B12-rich foods such as meat, poultry, and eggs. A lack of vitamin B12 has been linked to neurologic and hematologic problems [19].

What happens to your body when you start eating plant-based? ›

A plant-based diet reduces your risk for other diseases too.

The benefits of eating mostly plants are not limited to reducing your cancer risk. A plant-based diet also has been shown to reduce your risk for heart disease, stroke, diabetes and some mental health illnesses.

How does going vegan change your body? ›

According to the Centers for Disease Control and Prevention, the benefits of sticking with healthy vegan food choices over the long term include the following: Improved health of the skin, teeth, and eyes. Enhanced muscular function and strength. Enhanced immunity.

Does going vegan clean your gut? ›

The gut benefits of a vegan diet

Research has found that there is a reduction in inflammatory gut bacteria, as well as an increase in the protective species of bacteria. This is likely due to the higher fibre content of the average vegan diet.

Do you feel better after going vegan? ›

You will have more energy After going vegan because you won't be sitting around all day waiting for your food to cook. You may also lose a lot of excess weight after the initial change period and not suffer from any dietary deficiencies that your current eating habits might cause.

How does veganism affect the human body? ›

Health benefits, when done right

Promote weight loss. Reduce your risk of heart disease by lowering cholesterol levels. Lower your chances of getting certain types of cancer, such as colon cancer. Manage diabetes by lowering A1C levels.

How long does it take for your body to adjust to being vegan? ›

Adjusting your body to a plant-based diet might take up to four to six weeks. The time it takes to adjust depends on a variety of factors, including the person's current eating habits, the completeness of the diet change, and the rate at which the change is being implemented.

What are the physical changes when going vegan? ›

Immediate benefits can include heightened energy and improved blood sugar control, followed by short-term gains like weight loss and clearer skin. Over time, a vegan lifestyle can lead to lower cholesterol, reduced cancer risk, and a significant drop in heart disease risk.

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