Nutrition FAQs

Class participant heard that celery should be avoided for colon cancer patients. Only thing I’ve read about celery is to consume only ‘organic’ as conventional grown veggie is extremely high in pesticides. Do you know any other reason it should be avoided?...

I’ve seen a number of blog posts about some food scientists stating that if you avoid ANY food, canned tomato products and non-organic root vegetables should be at the top of your list?  Do you know anything about these statements? Is it...

Is any research available on astaxanthin which seems to be touted as a wonderful antioxidant? MarkB / Originally posted below Dragon’s blood Answer: Astaxanthin is the reason flamingos are pink (or at least flamingos in the wild). Astaxanthin is also the reason some...

Dr. Greger, I have heard some talk about the dangers of fluoride. When I research this all I stumble upon are propagandists websites without scientific backing. Is there any truth to these claims that fluoride in our water supply and toothpaste is...

I stirred 1 teaspoon of powdered amla into my daily glass of V8 juice, along with a sprinkle of black pepper and 1/2 teaspoon turmeric – tasted OK. soupy / Originally posted below Amla: Indian gooseberries vs. cancer, diabetes, and cholesterol Answer: That’s...

Does the anti-oxi value decrease with age of spice (or berry)? If so, how much? Second, how much is “toxic”? I heard taking more than 1-2 tbsns of cinnamon a day could be toxic. Is one hurting oneself if one takes 2 tbs...

I eat dried fruits (prunes, raisins, apricots and now apples) daily. Please tell me your thoughts about what may be the cumulative effects on an aging body of sulphur dioxide preservatives used in processing fruits for drying. rosaleah / Originally posted below ...

  My Daily Dozen recommends five daily servings of beverages (one glass or 12 ounces), and two of my favorites are hibiscus tea and my Hibiscus Punch concoction.   What Are The Health Benefits Of Hibiscus Flower? Antioxidants In a comparison of...

Do you have any advice on which plant foods or beverages can help prevent cavities and gum disease? OmarLittle / Originally asked on the NutritionFacts.org facebook page Answer: Normally we just hear about things to avoid to protect our teeth and gums (like candy,...

This is a bit unrelated, but I eat a plant-based diet. I’m also a 20-something year old woman of child bearing age who runs, so making sure I’m getting enough iron from plant sources is important to me. I’ve heard that tannins...