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I see this is an old post and I hope after these years you have figured out that there just was such bad advice and not enough information on being vegan after WLS. First of all being vegan is an ethical choice and we should never be killing animals for our tastes. There is enough scientific evidence that a whole food plant diet is the healthiest option. There is no problem getting enough Protein and our society is obsessed with protein. People are thriving on this lifestyle after WLS and I am one since 2012. If you haven't already check out Dr. Garth Davis. Dr. Neal Barnard at PCRM also has a podcast by Chuck Carroll the weight loss champion who had WLS and is vegan. He is such an inspiration

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On 2/13/2020 at 1:47 PM, Sailor Blue said:


first of all vegan sausage is VERY high in fat. Try eating veggies or tofu. Check out Dr V bariatric surgeon on iTunes. He is a surgeon who’s patients eat vegan.

He hasn't done weight loss surgery for some time, so any patients that may eat vegan are patients from a while a go. His social media following may follow his vegan guidelines.

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Posted (edited)

Plant Protein is just as ‘complete” as animal protein. The idea that plant Proteins are “incomplete”, necessitating some sort of “protein combining”, was based on a 1971 fad diet called “Diet for a Small Planet” by Francis Lappe. “Protein combining” was debunked DECADES ago, yet for some people this myth remains pervasive despite 49 years of medical and scientific nutrition evidence to the contrary.

All of the essential amino acids humans need are structurally identical regardless of the source, so in terms of getting enough protein, it doesn’t matter if amino acids come from animal or plant protein. But protein isn’t consumed in isolation, since all plant and animal foods contain essential nutrients in addition to protein. And the other nutrients that you’re consuming – or not, depending on whether you eat animal or plant protein – is where the serious health implications lie.

  • Plant protein is packed with fibre, antioxidants, and thousands of protective phytonutrients. Animal protein has absolutely no fibre, antioxidants, or phytonutrients whatsoever.
  • Plant proteins contain no saturated fat and cholesterol. All animal foods (including “lean” meats like chicken, salmon, turkey, etc.) contain saturated fat and cholesterol. We don’t need to consume any saturated fat and cholesterol, since our bodies naturally produce all the cholesterol required for physiologic functions. Eating saturated fat and cholesterol causes atherosclerosis (the accumulation of excess cholesterol in the lining of our vessels) and significantly increases the risk of heart disease, currently the number one cause of death in developed countries. People eating a plant-based diet devoid of animal products have significantly less risk of developing heart disease, and several studies have found that a plant-based diet can even reverse atherosclerosis.
  • Plant protein causes no increase in insulin-like growth factor-1 (IGF-1). Animal proteins cause our bodies to produce higher levels of the hormone IGF-1, which stimulates cell division and growth in both healthy and cancer cells (higher circulating levels of IGF-1 result in increased cancer risk, proliferation, and malignancy.)
  • Plant protein causes no increase in trimethylamine N-oxide (TMAO). Animal proteins increase circulating levels of TMAO, which injures the lining of blood vessels, creates inflammation, and enables the formation of cholesterol plaques in blood vessels.
  • Plant protein causes no increase in phosphorus or fibroblast growth factor 23 (FGF23). Animal proteins contain high levels of phosphorus, and when we consume a lot of phosphorus, the body reacts by producing high levels of the hormone FGF23 to normalize phosphorus levels. FGF23 injures the lining of blood vessels, creates inflammation, and enables the formation of cholesterol plaques in blood vessels, and is directly associated with heart attacks, sudden death, and heart failure.
  • Plant protein causes no increase in bone health problems. Animal proteins have higher concentrations of sulfur-containing amino acids, which can induce a subtle state of acidosis when metabolized, causing our bodies use to compensate by leaching Calcium from our bones to help neutralize the increased acidity. Studies have demonstrated that populations with higher dairy consumption, or higher consumption of animal protein in general, have a higher incidence of bone fractures.

You probably conducted a lot of research to determine which type of 1 or 2 hour bariatric surgery would allow you a healthier and longer life. Conduct even more research to determine if what you eat every day for the rest of your life after surgery is going to increase your health and longevity, or increase disease and shorten your life. Everything we put in our mouth either increases longevity by decreasing the development of disease and illness, or contributes to premature death by increasing the development of disease and illness.

Dozens upon dozens of peer-reviewed studies confirm that people on plant-based whole food diets (meaning whole minimally processed plant-based foods, and no processed foods) are at significantly lower risk of many diseases including cancers, type 2 diabetes, hypertension, heart disease, and obesity.

So get your protein from plants whenever possible to maintain your weight loss for life and become as healthy as possible. Eating vegetables, fruits, legumes, nuts, seeds, tofu, whole grains, and other plant-based sources of protein is a win for your health and the health of the planet.

Edited by PollyEster

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