Weight Loss on a Plant-Based Diet – Science Explained

31 October 2025


Weight Loss on a Plant-Based Diet – Science Explained



Weight Loss on a Plant-Based Diet. With many thanks to so many people, including the doctors for taking part, Kaden Zipfel and Andrew Gough for editing. As well Mark Stolaroff for videograhpy help:

http://www.markstolaroff.com

In association with:

Plantrician Project: https://plantricianproject.org/
Switch4Good: https://switch4good.org/
Plant-based Health Professionals UK: https://www.plantbasedhealthprofessio…
Physicians Committee for Responsible Medicine: https://www.pcrm.org/
T. Colin Campbell: https://nutritionstudies.org


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LEARN ABOUT VEGANISM
★ Cowspiracy ➞ https://youtu.be/nV04zyfLyN4
★ NutritionFacts.Org ➞ https://goo.gl/BdNbiU
★ Veganuary ➞ http://www.veganuary.com/

– If somebody really is
serious about losing weight, step one, vegan. Get rid of the animal products. (upbeat music) Fiber fills you up, but it
doesn't have any calories at all. Every animal product is zero fiber. Plants have fiber. Tip one, get the animal
products out, tip two, keep the oils really low and
oily foods including nuts and so forth. Now nuts are a lot healthier than Spam, but they do pack a fair amount
of fat and if weight loss is your thing, you wanna go
easy on those things too. Step three, sugary foods, not the best. Get that sweet taste from fruit not from a soda and cookies
and all that kind of stuff. And tip four, it's good to exercise. Now, exercise does not take
the place of all the others. In fact, people who just exercise and don't change their diets, they really don't lose
weight very much no matter how much they exercise. It really is not that effective. However, it adds to these other things. If for no other reason, you
can't eat a bowl of ice cream while you're running. – Are really simple, one
thing is that you should eat a hearty breakfast. So I like a really big
breakfast of oatmeal, some fruit, some nuts, maybe
some soymilk poured on top or almond milk, something like that. I really love snacks
because I don't like to feel like I'm being deprived so
I have pretty much everyday at around four o'clock I have an apple with some peanut butter
on it, it's really good. So the fat from the
peanuts is very satiating and again all that fiber from
the nuts and from the apple keeps me holding till dinner. So I think the thing is to not ever feel like you're deprived. – My favorite weight loss
tip is two syllables, fiber. So if you're consuming a lot of fiber, you're going to be not
consuming a lot of calories because fiber's an
indigestible carbohydrate so the calories you're consuming
in the from of fiber don't even absorb but it does so
many other amazing things like fill you up when you
haven't eaten that many calories, so you're gonna eat less
or you eat fewer calories. But then you get all
those other side effects, you get the lower blood
pressure, the lower cholesterol, the hormone reductions that put you at reduced risk for cancer. So it's my favorite weight
loss tip, consuming more fiber because it comes with
so many other benefits. – If you look at the big
epidemiological studies, the preponderance of
evidence of decades, decades, or even more than decades at this point, there's no question that a
whole- food plant-based diet. You can lose weight, you could eat more, you don't have to eat very low calories, and you're gonna have these
incredible health benefits. – A whole-food plant-based
diet helps with weight loss and it's the solution for weight loss and I think emotional
eating because a diet that's high in fruits, vegetables, legumes and whole grains is high in fiber and fiber helps with satiety. Additionally, it's also a diet that's high in nutrient density. So you're gonna get a lot
of vitamins, minerals, and you're really gonna
get a lot of energy from a diet that focuses on whole foods. – People worry about
beans because they think, oh they're high in calories. I want people to eat more
beans, they do amazing things. They help keep you full, they have soluble fiber that
helps you lower cholesterol, they do all kinds of good stuff. They actually help you
control your blood sugar not just the day you eat them, but the day after because of
their effects on the microbes that live in our guts. So more beans for weight loss,
also lots and lots of fruits and veggies, and if you're
gonna have whole grains, to have them in their intact form. So whole-grain bread is good, but even better something
like wheat berries or quinoa or rolled oats. – You don't see obese vegans
who are eating whole food. Why not? Because whole plant foods, nature in her wisdom makes them largely out of fiber and water. No matter what the vegetable is, whether it's kale or broccoli
or melons, or green peas, when you analyze them they're
mostly fiber and water. And when you eat a big huge
salad, you filled your tummy up largely with fiber and water
and the water gets excreted out in the urine, the fiber
passed out in the stool. So there's so little
calorie density there, that nothing really sticks to you. And the glory of eating a
whole-food plant-based diet is there's no portion
control whether you go back for a fourth bowl of
vegetable soup, who cares, it's vegetable soup it's
all fiber and water, you pee it right out,
doesn't stick to you. – We have data from the
Adventist health studies that the thinnest Adventists
are those that responded to the survey that they
did all-plant diet. Those that ate a partially
plant diet, the vegetarian group were in the middle and
those that ate an omnivore, meat-based diet were the
heaviest of the Adventists. So we've that in many other studies. That's an observational study
but then you got to work by Dr. Neil Barnard, Dr.
Dee Nournish and the others, if you intervene with a
whole-food plant diet as opposed to the junk vegan diet
in the grocery stores, frozen and packaged and
stuff, but a whole-food diet, you'll have sustained weight
loss and healthy weight loss that favors better hearts, better brains, better sexual function, better skin and better blood
sugar, blood cholesterol. So that's what we want, we
want the comprehensive gain out of all that. – We are not designed to be
eating literally the garbage that we eat today, pizzas,
burgers, these foods that are made in factories
and have no resemblance to anything that might
be grown in a field. These foods are very calorically dense and they're designed that
way because the people who make them want these foods to taste good so you keep buying them and you invest in their product. – The stomach responds to volume. So when people eat a high-fat diet, they can eat a cookie that's 200 calories, but they will not feel full
because a cookie is only so small and the stomach
doesn't have a chance to expand very much, but if you take that
hundred, 200 calories, and you convert it to broccoli, so let's say you eat six cups of broccoli, because every cup of broccoli is only about 30 to 50 calories, imagine eating four cups of
broccoli, you will be full. – The top weight loss tips
that I have is just to when you're about to eat something, just think, could I find
this food existing naturally in nature? So I always talk to patients
about how we evolved as humans, when we were
hungry we had to go for a walk and we had to find food. So that was leaves, fruit in
the tree, tubers in the ground. So if you are trying to lose weight, sticking to those minimally processed, whole plant foods tends to help a lot. – Make sure that all of
your meals are plant based and low in fat. When you're trying to lose
weight about 30 to 50% of everything you're eating
should be fresh vegetables. Also, make physical activity
a part of your daily routine. In addition to walking
about 10,000 steps a day, do some hiking, some
running, some swimming or some weightlifting. – When your body is in balance
and there is not inflammation and hormone dysregulation
causing your weight gain, you don't actually have to count calories. I've been a doctor for over 14 years and I've worked with
many weight loss clients in my wellness business and in my opinion, by far the best way to
lose weight is by adopting a whole-food plant-based diet. – So my number one tip is
that if we know the process that's involved in how we gain weight, then it's very easy to
just unzip it and do it and go backwards and
the best way to do that is three times a day, to
consume foods that are rich in the micro macronutrients that we love. The fats, the carbohydrates,
the protein and of course the micronutrients, the
vitamins and the minerals. And nothing does it better than a whole-foods plant-based diet.

#Weight #Loss #PlantBased #Diet #Science #Explained

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29 Comments
  1. I will never use the term vegan. I am not vegan. I eat a low-fat WFPB diet.

  2. I've been eating a WFPB for five minutes. Already down from 143 to 138. My goal weight is 127.

  3. I was eating eggs everyday for years! I still order salad with a egg! Chicken!

  4. I’ve never felt so good about my body or looked so much better! Until I started eating plants based! I’m looking lean for once! I’m 55 ! I’m watching all kinds of videos on YouTube on plant based! To help me! To learn more about eating healthier on plant based

  5. I did keto for years! I was AFRAID OF CARBS! I recently switched to plant based! I’ve been eating oatmeal with walnuts! Cinnamon! Flaxseed! Protein powder! Or a slice of whole
    Grain bread with avocado! I’ll make a hummus rap for lunch! Or tofu rap!!fruit smoothies

  6. "Fibre fills you up but doesn't have any calories at all."
    That is one of the most terrible arguments that can be made because it is blatantly incorrect.
    Fibre does not fill you up, but fibre-containg foods seem to have a better chance at filling you up.
    Fibre has calories. Less than protein and other carbs and less than fat, but it *has* calories.

  7. The only problem I had with a vegan diet was going bald from iron deficiancy. My doctor perscrubed me iron and I got off, I was back to normal.

  8. It been almost four months iam on plant on plant based diet(2-3times I broke it by consuming animal based products) I was 117 kgs before I now after four months of plant based diet with regular exercise iam 98 still going

  9. The second person said the "fat is very satiating" but that's the opposite of what Dr McDougall said, he said according to studies, fat is not satiating but the apple is. Even the people after her said FIBER is what is satiating.

  10. Can I eat avocado? And if so, recommended daily amount?

  11. I have gain weight going wfpb…I’ve been eating this way since 2020 . Not happy , i can’t get rid of that 7lbs , what’s wrong with me/

  12. Vegan High carb Low fat forever 🥰🥰thanks to Freelee the banana girl and Getfitwithnatasha 😍🌱🌱

  13. Still not sure if you want to do a plant based diet? Check out my document on 3 simple reasons why you should go on a diet.

    shorturl.at/orTW1

  14. 2 weeks solid no junk food vegan only fruit oats veges and flaxseed.. packing ON weight. Hoping this will reverse once my microbiome becomes accustomed to the sudden diversity while my metabolism adapts positively to a base of circa 150g of fibrous carbs on the daily

  15. Wow this is so powerful

  16. I am an omnivore but can see the evidence that at a minimum vegan done properly can be good for health and especially regarding heart disease and diabetes it works. The problem is rather than continually promoting low energy veges maybe promote and explain the medium energy and high protein foods as in whole processed or not legumes and grains because this is important. Anyway just an idea. Also explain highly processed because highly processed can be good or bad, I regularly buy "highly processed" food because they have upped the fiber and protein content in bread products which isn't natural but actually it's nutritionally better than whole grain/meal and can add to that mineral or vitamin fortifications. Don't make people who like me were very sceptical scared because of promotion of something that's unachievable, promote the difference between a fortified bread versus fake meat which I am pretty certain is vegan junk food in most cases.

  17. So although an ear of corn is quite unnatural today, it’s not even close to the other versions of corn that make up so much of our diets. Today most of us eat the version after we steep it, take the starch, refine the syrup, and further process it to yield HFCS. This is the version of corn that we eat in massive quantities.

  18. Yep, a whole food plant based healthy diet will stimulate weight loss at a fast pace.

  19. Great to see so many insights of doctors in one place, why it works.
    When I turned vegan in 2016 I lost 20 lbs and it all came back. When I (53 years old) learned more about natural plant-based food and merged several insights for a lifestyle to maintain, I dropped 4 dress sizes and 40 lbs, despite menopause. It feels amazing and the brain fog is gone, having lots of energy and no longer feeling lousy like other women in menopause experience. #plantbasedweightlossduringmenopause

  20. The key to whole foods plant diet: no oil, no alcohol, no processed anything.

  21. I’ve been on a plant base for over 5 ears I’m 60 years old and I probably lost maybe 3 pounds that is it I don’t drink soda I don’t drink coffee I don’t drink black tea I don’t drink sugary stuff all I drink is water with lemon in it. I have stomach issues I have high cholesterol.

  22. On a WFPB diet, I am losing weight without intending to and without exercising at all. I LOVE it.

  23. I was so lucky to get rid of my Multiple Fibroids by Dr Alaho Olu on YouTube channel. My Fallopian Tube was blocked and I wasn’t able to give birth but now after using Dr Alaho Olu on YouTube herbs I was cured totally so I will advise you all to contact him.

  24. 1:10 “you can’t eat a bowl of ice cream while running”? Challenge accepted

  25. Plantbased- and eating a fish- is that the end? How to go on

  26. Since going vegan I’m gaining weight on an exclusively raw/lower carb diet with intermittent fasting thrown in – working out 3 days a week too. I’m getting my blood checked for hormone imbalances.

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