Respuesta a preguntas frecuentes de nutrición

Respuestas a las preguntas más destacadas sobre salud y nutrición por el Doctor Michael Greger FACLM y el grupo de Moderadores Voluntarios de NutritionFacts.org. Las preguntas han sido tomadas de los comentarios en los videos y blogs en el sitio. ¡Participa en nuestros foros para que tu pregunta sea incluida!

Should we take algae supplements for astaxanthin?

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...

The dangers of fluoride (tap water fluoridation)?

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...

What about pepper plus turmeric in V8 juice?

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...

How much cinnamon is too much?

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...

Sulfite sensitivity from sulphur dioxide in dried fruits?

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 ...

What Are The Health Benefits Of Hibiscus Tea & Is It Safe?

  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...

Are there foods that protect teeth and gums?

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,...

Can tea with meals hinder iron absorption?

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...

What are the best sources of vitamin K?

I have read in a magazine that there are several types of vitamin K. According to the article, Vitamin K1 is found in vegetables. Vitamin K2 mk7 is found in meat, fish and eggs. The article also said that Vitamin K1 is stored in the...

Any resources for vegan pregnancy, infancy, and childhood?

I feel our family has a healthy and complete diet (in no small part thanks to you!) but do you have any specific recommendations or guidelines for those who would like to follow a vegan diet through pregnancy, infancy and childhood? Is...