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? ›

Research has shown that a vegan diet can help do the following: 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.

What happens if you only eat vegan? ›

With good planning and an understanding of what makes up a healthy, balanced vegan diet, you can get all the nutrients your body needs. If you do not plan your diet properly, you could miss out on essential nutrients, such as calcium, iron, vitamin B12, iodine and selenium.

What are the side effects of going vegan? ›

Here are some of the known conditions a vegan diet can induce if you fail to monitor your health or carefully plan your food intake.
  • Vitamin B12 Deficiency.
  • Stroke.
  • Anemia.
  • Leaky Gut Syndrome.
  • Depression.
  • Hormonal Imbalance.

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.

Is being vegan good or bad for your body? ›

A vegan diet can be very nutritious, but there are some potential risks. Avoiding animal foods can shortchange you on a few nutrients, like protein, calcium, omega-3 fatty acids, zinc, vitamin B12, and vitamin D. You need protein to power all the chemical reactions in your body.

What happens to your stomach when you go vegan? ›

Better Digestion and Gut Health

Fiber will also improve your bowel movements, keeping you regular and preventing constipation. While it's true that a lot of new vegans may experience an increase in gas and bloating, this is usually only temporary since the body is not used to a high intake of fiber.

Is it OK 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.

Is vegan healthier than meat? ›

Vegetarians and vegans typically have lower body mass index, serum low-density lipoprotein (LDL) cholesterol and blood pressure than comparable regular meat-eaters, as well as lower bone mineral density.

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.

Who should not go vegan? ›

People with chronic alcohol addiction or conditions such as cancer, Crohn's disease, diabetes, and celiac disease are also more at risk of being deficient in zinc. If you have been diagnosed with a zinc deficiency, cutting out animal products could negatively impact your health.

What does vegan meat do to your body? ›

Specifically, they found that those who consumed plant-based meats fell below the daily requirements for calcium, potassium, magnesium, zinc and vitamin B12. Plus, those eating these foods exceeded the reference values for sugar, saturated fat and sugar. This group did consume more fiber than the meat-eaters.

What are the digestive issues with vegans? ›

But, bloating, gas, and stomach cramps seem to be especially big problems with new vegans, vegetarians, and flexitarians. The culprit is usually dietary fiber—the indigestible plant fibers that, unlike protein or carbohydrates, pass through your digestive system intact.

What happens to your body after becoming 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.

Will I live longer if I become 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.

Do humans need to be vegan? ›

While studies worldwide have shown the value of a balanced, healthy diet with some amount of meat, dairy and other animal products, he says, “the only one that is really challenging is a vegan lifestyle. And even there, in this day and age, there are numerous ways to replace the missing substances."

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

Plants are high in fiber.

Eating a plant-based diet improves the health of your gut so you are better able to absorb the nutrients from food that support your immune system and reduce inflammation. Fiber can lower cholesterol and stabilize blood sugar and it's great for good bowel management.

What happens to your body when you eat meat after being vegan? ›

Because meat has a higher fat content than plants, it takes longer to digest. You might experience constipation and/or bloating. Sometimes, you might experience breakouts or heartburn when you start eating meat again.

Does going vegan detox your body? ›

When transitioning to a vegan lifestyle, it's not uncommon to go through a natural adjustment period where your body adapts to the absence of animal products. This period can come with detox side effects as your body eliminates toxins accumulated from consuming animal-based foods.

Is vegan face a real thing? ›

Simply, vegan face is a name for a slack, wasted look that is caused by an absence of protein in your diet. The skin is dry, sallow and flaky. Protein literally props up the face: it makes it look plump (in a good way) and fresh-faced and wakeful.

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