High-Fiber, Plant-Based, and Famous: Celebrity Diet Secrets

Plant-based eating isn’t just another Hollywood fad. It’s a full-on lifestyle glow-up taking over red carpets and Instagram feeds everywhere. From A-listers to everyday wellness warriors, more and more people are saying “goodbye” to meat and “hello” to plants for real results you can feel.

But it’s not just hype. It’s about firing up your gut, boosting your energy, and feeling amazing from the inside out. Backed by science and stamped with celeb approval, plant-based living supports smoother digestion, stronger immunity, and all-around good vibes.

So why are celebrities jumping on board? Some have been vegan or vegetarian for years. Could this be the healthy lifestyle shift we've all been looking for? Let’s find out.

Vegan vs. Vegetarian: What's the Difference?

Let’s clear this up once and for all because the confusion is real. No one wants to accidentally order soup made with chicken broth thinking it’s vegetarian-friendly. Vegetarian and vegan diets are not the same. They follow different guidelines and lifestyles.

What’s a Vegetarian Diet?

A vegetarian follows a plant-based lifestyle that allows dairy and eggs but strictly avoids all types of meat, poultry, and fish.

On a vegetarian diet, you may still have:

Cheese pizza
Yogurt bowls
Variety of salads (Greek, Caprese, egg)
Veggie omelet

You can still enjoy your usual iced coffee runs and indulge in your charcuterie board with different types of cheese—you just skip the meat.

What’s a Vegan Diet?

A vegan is into a 100% plant-based lifestyle. A vegan diet excludes all animal products. Not just meat, but anything that comes from animals—no dairy, no eggs, not even honey.

On a vegan diet, you can try these vegan-friendly meals:

Almond or oat milk lattes
Tofu stir-fries
Chickpea salads
Dairy-free desserts
100% plant-based salad

The key difference is that veganism is more restrictive than vegetarianism.

The reasons people choose a vegan or vegetarian lifestyle often come down to three main pillars: health, the environment, and compassion for animals. For many, it's not a strict line but a personal journey. Some start with small changes, others dive in headfirst, and plenty find themselves somewhere in between.

And it’s not just everyday people making the shift. Many celebrities have embraced plant-based living. Some stick to vegetarianism, others go fully vegan—using their platforms to spotlight the benefits and challenges of the lifestyle.

7 Famous Plant-Based Celebrities You Should Know

What do chart-topping musicians, world-class athletes, and award-winning actors have in common? They've all discovered the power of plants. Whether for health, performance, or values, these stars show how going plant-based can elevate every aspect of life.

Ariana Grande (Vegan)

From playing “Glinda” in Wicked to topping the charts as a sultry pop sensation, Ariana Grande is more than just a versatile performer; she’s also embraced a plant-based lifestyle. Grande’s typical day includes plenty of smoothies and Japanese-inspired dishes (hello, sushi bowls without the fish), and she’s often spotted dining at LA’s trendiest vegan hotspots. Her secret? She focuses on whole foods and doesn’t stress about perfection.

She went vegan in 2013 after watching Forks Over Knives.
Motivation: A deep love for animals and the belief that a plant-based diet makes her feel better.
Fun fact: She says she loves animals more than most people.

Zendaya (Vegetarian)

A lifelong animal lover, Zendaya has followed a vegetarian diet for years, opting for plant-based meals that align with her values. While she admits she’s not a huge fan of vegetables, she keeps her meals simple and meat-free. She often leans on carbs, fruits, and easy plant-based meals that fit her fast-paced lifestyle.

She switched to a vegetarian lifestyle when she was 9 years old.
Motivation: Compassion for animals (not her love for vegetables!).
Fun fact: Once said she stopped eating meat after seeing how it was packaged and never looked back.

Billie Eilish (Vegan)

Billie Eilish isn’t just redefining modern pop; she’s also a vocal advocate for plant-based living. The Gen Z icon regularly uses her platform to discuss the benefits of plant-based eating and has influenced countless young fans to reconsider their food choices. Eilish keeps her diet simple with salads, avocados, and plenty of fruits and vegetables. She sometimes even bakes her own vegan chocolate chip cookies.

She grew up vegetarian and went vegan at age 12.
Motivation: Animal cruelty broke her heart.
Fun fact: Her family runs a vegan charity called Support + Feed.

Tobey Maguire (Former Vegetarian, Now Vegan)

Best known for swinging through NYC as the OG Spider-Man, Tobey Maguire lives a life that’s just as intentional off-screen. He sticks to a clean, plant-based diet and has been vegetarian since the 1990s. While training and preparing for the role, he relies on plant-based protein shakes to fuel his routine. Tobey is firmly against using animal products beyond food, avoiding leather in his wardrobe, car interiors, and shoes. To him, veganism is about energy, compassion, and ethical living.

Vegetarian since 1992. Went full vegan around 2009.
Motivation: Health and animal ethics.
Fun fact: Often tweaks movie costumes to be vegan-friendly.

Serena Williams (Vegan)

Tennis legend Serena Williams has been a longtime advocate of a plant-based lifestyle that supports both performance and wellness. While she doesn’t always label herself strictly, she’s followed a mostly vegan diet for years, especially when preparing for competition. For Serena, it’s all about strength, recovery, and honoring her body.

Plant-based since the early 2010s (especially during training).
Motivation: Performance, recovery, and overall wellness.
Fun fact: She inspired her sister Venus to go plant-based after her autoimmune diagnosis.

Woody Harrelson (Raw Vegan)

Woody Harrelson is as dedicated to his health and the planet as he is to his craft. He follows a raw vegan diet, which means he eats plant-based foods that are uncooked or minimally processed to preserve their natural nutrients. His commitment to this lifestyle stems from both health and ethical reasons, and he’s known to influence those around him. For Woody, food is fuel, and he treats it as medicine for both the body and the planet.

He's been raw vegan since his 20s—over 30 years now.
Motivation: Health, ethics, and a back-to-nature philosophy.
Fun fact: Influenced multiple co-stars like Sadie Sink and Liam Hemsworth to go vegan.

Ellen Pompeo (Vegetarian)

Our favorite Grey’s Anatomy doctor made the switch along with her entire family and has since embraced a vegetarian lifestyle. Ellen keeps things wholesome and simple, leaning into fruits, vegetables, grains, and plant-based proteins as part of her everyday meals. For her, it's not about being extreme—it’s about feeling good, staying strong, and setting an example for her kids.

Became vegetarian in 2018 after a health-focused doctor visit.
Motivation: To improve long-term health and promote wellness for her whole family.
Fun fact: Switched her household to a plant-based diet in one go—including the kids!

More and more celebrities are embracing plant-based diets. Many start as vegetarians and eventually go vegan. Their influence inspires fans to try it too. It’s a lifestyle grounded in health and deeper values like ethics and sustainability. Yet, for those who aren’t familiar with plant-based eating, there’s often one big question that remains.

“Just Plants?” How Are Vegans Even Functioning?

Here’s a quick answer: Plants power your gut. Your gut powers your life.

It might sound simple, but the real secret to better health, energy, and mood begins in your gut. Your gut is your body’s control center. When you feed it fiber-rich, plant-based foods, everything improves:

✅ Stronger Immunity:
70% of your immune system lives in the gut; a healthy gut means a stronger defense.
✅ Enhances Nutrient Absorption:
High-fiber meals improve digestion and help your body absorb nutrients more effectively.
✅ Better Mood:
Dietary fiber intake can reduce anxiety and depression, boosting your overall mood.
✅ Balanced Energy:
Fiber slows digestion, providing steady energy without the typical crashes.

Every bite of beans, leafy greens, fruits, or whole grains fuels the beneficial bacteria in your gut. These “good microbes” do the heavy lifting: regulating digestion, improving immunity, and even affecting your skin, mood, and metabolism.

That’s why people often feel a real difference just weeks after switching to a more plant-based diet. It’s not hype—it’s your gut doing what it was meant to do.

What Happens to Your Body on a High Fiber, Plant-Based Diet?

If you’re thinking about trying a plant-based lifestyle or just want to include more high-fiber, nutrient-rich meals, here’s what science-backed research shows you can expect.

🕐 First Few Months: Your Gut Feels It First

Your gut health improves by supporting the growth of beneficial bacteria.
Many people notice better digestion and more regular bowel movements.
Some experience weight loss as early as 18 weeks, according to a controlled study.

📆 In One Year: Your Immune System Is Getting Stronger

Your immune system gets stronger, helping your body fight off certain infections more effectively.
Lower blood sugar levels and improved insulin sensitivity, reducing the risk of type 2 diabetes.
You manage your weight more efficiently and sustain your energy.

🌿 Several Years In: Long-Term Protection for Body and Brain

You have a lower risk of chronic diseases such as heart disease, certain cancers, and hypertension.
Cognitive function is often sharper, with studies suggesting long-term plant-based diets may help support brain health in older adults and reduce age-related decline.

🌳 Lifelong Commitment: Living Longer, Living Better

According to a new study, a well-planned plant-based lifestyle can lead to longevity.
Your body becomes more resilient to illness, and your overall lifestyle often becomes more mindful and intentional.

While the benefits of a plant-based lifestyle are clear—from improved gut health to long-term disease prevention—it’s natural to wonder about the nutrients your body still needs.

Protein and Nutrient Essentials for a Plant-Based Lifestyle

If you’re still wondering, “Won’t I miss out on important nutrients, especially protein?”—that’s a valid concern. The good news is that with the right variety of foods, a plant-based diet can provide all the nutrients your body needs.

💪 Where’s the protein?

Believe it or not, protein is everywhere in the plant world. Here's a list of top protein-rich, vegan-friendly plant foods:

Lentils, chickpeas, and black beans
Tofu, tempeh, and edamame
Quinoa, oats, and whole grains
Nuts, seeds, and nut butter
Plant-based protein powders (pea, brown rice, hemp, etc.)

A well-planned plant-based diet can fill nutritional gaps like calcium, vitamin B12, and iron with the right food choices and smart alternatives. WebMD even provides a helpful list of vegan-friendly nutrition sources to guide those on a plant-based journey. Many plant-based enthusiasts, wellness experts, and even celebrities also support their lifestyle with vitamins, supplements, or nutrient-packed drinks to stay energized and balanced.

One Pack, One Impact: How Future Salad Complements Your Plant-Based Diet

Future Salad Detox Drink Mix and Ingredients

While celebs, wellness experts, and anyone stepping into a healthy lifestyle are busy Instagramming their smoothie bowls and avocado toast, there’s something extra they could add to take their plant-based game to the next level.

Imagine getting all the gut-health benefits of five bowls of salad without having to shop for, wash, chop, and assemble a bunch of vegetables every single day. Future Salad offers not just convenience but also delivers additional nutrients to support you on your natural, plant-based journey.

How Future Salad Helps You Achieve Your Goals:

🌱 Supports Your Plant-Based Lifestyle
Future Salad Detox Drink Mix is 100% natural and vegan-friendly—perfect for anyone embracing a plant-based lifestyle. With 12 high-fiber ingredients like moringa leaves, spirulina, spinach, and more, each pack delivers a powerhouse of superfoods to support your daily nutrition in one convenient scoop.
🦠 Gut Health & Digestive Support
Future Salad Detox Drink Mix is designed to gently stimulate bowel movements, helping cleanse your gut naturally without harsh effects. By supporting regularity and boosting digestion, it helps your body absorb nutrients more efficiently while keeping things moving smoothly.
⚡ Energy & Immunity Booster
Packed with over 30+ essential vitamins and nutrients, Future Salad Detox Drink Mix supports your daily nutrient needs and helps provide steady energy, whether you’re working, training, or embracing a no-meat diet.
🥤 Clean, Convenient, and Veggie-Skeptic Friendly
No harsh chemicals, no fillers—just clean, plant-based ingredients. Future Salad offers a fresh, tasty way to get your greens without the prep work. Even if you're not a fan of veggies (like Zendaya), the apple and guava flavor makes it surprisingly delicious. Just mix, shake, and go.

Future Salad fits perfectly into any lifestyle because it addresses the foundation of health: the gut—without requiring perfect meal planning or 24/7 access to organic grocery stores.

Your Plant-Based Lifestyle Starts Here

You don’t need to go from burger-lover to full vegan overnight, and you definitely don’t need to be famous to experience the gut health benefits that come with eating more plants. While some celebrities may have made quick changes, switching to a plant-based diet doesn’t have to be that way. You can start somewhere, experiment, and find what works best for your body and lifestyle.

Try swapping one meal a day for a plant-based option. Add a green smoothie to your morning routine. Experiment with chickpea pasta or try that trendy tofu recipe you've been bookmarking.

And if you want to give your gut the fiber boost it's craving without the daily veggie prep? Future Salad can help bridge that gap while you're figuring out your plant-based rhythm.

The plant-based movement keeps growing—and now you know the powerful, lifelong benefits driving it. 🥗