Truth about arsenic was precious. I am at Weimar University studying under Dr Neil Nedley and a collection of distinguished practitioners. I have been on a plant-based diet for 40 years and find my experience matches the science on this channel and the research presented in classes here. And the research on arsenic and turmeric is super. (Who that scientist is who said in a review that persons eating like like me need supplemental iron, b12, and aminos, I don't know. But his opinions are so outdated. And plant-based diet rich in vegetables has all the aminos needed.

Brilliant science communication This website is incredibly helpful for navigating the confusing world of nutrition science. Dr Gregor is a brilliant communicator as he explains scientific studies in a way that the general public can understand. He just lays out the evidence for us so we can make informed decisions. I do have a background in science and I read scientific papers for fun and I've checked on his sources to make sure he was communicating them accurately. He is one of the only nutrition doctors that I trust as most are just making content will sell for profit. The website is non-commercial and non-profit as well as his books (all proceeds are donated to charity!) and Daily Dozen app. I've been using this site for years now and it's been so helpful for making sound nutrition decisions. No more fad diets!

Cherry-picked information and misrepresented studies Dr Greger has an inherently religious or cult-like bias to a certain diet. He has a tendency to completely dismiss other diets (eg. FODMAP), despite there being a lot of sound scientific information behind them. While he has some good information and is very good at communicating it, he selectively ignores information which does not back up his viewpoint. His website should really be called ‘cherry-picked nutrition facts’. Greger's overall M.O. is that he uses lots of observational studies (which are considered low-tier evidence because of the correlation/causation problem) linking an animal food to a health problem, but if the same studies find a positive or neutral result for a different animal food, or a negative result for a plant food, he just ignores it. When diets low in animal foods produce health, he also uses these findings to shill for veganism (no animal foods at all), while using the nebulous weasel word "plant-based." Anyone following his diet must take daily B12 supplements to stay healthy - the reason being, he has removed every single natural source of B12. If you need to take nutritional supplements, then your diet is deficient in the nutrients it needs to survive and thrive - pretty simple. There are plenty of other safer diets out there that have been well researched that will improve your health. Talk with your dietician or nutritionist. His advice should be taken with a grain of salt and a good dose of caution.

Mediterranean or Icelandic diets give longevity. As a scientist myself, this "research" is biased. Arguing for a plant only diet as a cure all, is misunderstanding human metabolism and claiming something it cannot deliver. If you only eat plants you will have to supplement with Vit B12, iron and certain amino acids. Eating a mediterranean, Japanese or Icelandic diet has far more evidence of longevity.

Life changing Hilarious that the negative reviews state that he doesn't site sources. His organization and book goes through literally tens of thousands of studies every year. I can only assume the negative reviews come from biased employees of certain industries, or they've never actually read a single thing he has written and are just turned off my having to face the reality that what they are eating is probably killing them.