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by 0 · October 28, 2013 at 05:55 PM

Wanting to know what the RDA is for Vitamin A in IU measurement if possible. Thanks

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wtfgod 0 · October 28, 2013 at 03:18 PM

http://lmgtfy.com/?q=RDA+for+vitamin+A

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by 10920 · June 14, 2013 at 08:50 PM

Age (years)...... Average daily calories.............. Fiber intake (grams) Children 1-3 ......................... 1,404.................................. 19 4-8.......................... 1,789.................................. 25 Boys... (more)

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maryDeeeeeee 0 · June 14, 2013 at 08:50 PM

No apparently i dont get the supposed "RDA"..(althoug i eat salad, and strawberries, and broccoli and sweet potatoe nearly on a daily basis!) just looked at my cronometer and seems im averaging around half..?? (lol ) Thankfully Ive never had any... (more)

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by 10920 · April 15, 2014 at 10:53 PM

Bones are extremely alkaline. Bones have a form of calcium that is shown to be superior to calcium salts in clinical trials for bone mineral density. Bones are a solid source of calcium,phosphorus, potassium and magnesium. Bones naturally occur... (more)

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January 0 · May 26, 2013 at 04:06 AM

A fascinating experiment was done in 1994 to learn how well humans digest bone: http://blogs.smithsonianmag.com/smartnews/2012/10/shrew-eating-scientists-show-humans-can-digest-bone/ (more)

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by 571 · March 12, 2013 at 08:37 PM

I follow a 1000-1200 Kcal diet and according to cronometer I don't reach every vitamin's and mineral's daily goals. As for thiamin, I' ve read that O,5 mg per 1000 Kcals is needed, so I don't worry. For magnesium and D, I supplement. But for folic... (more)

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greymouser 0 · February 12, 2013 at 02:30 PM

I don't mean to dissuade you if you are pursuing something that is working for you, but you are not going to get a lot of support on PH for an extremely low calorie diet, nor for attempting to hit RDA levels. Are there special considerations you... (more)

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by 5 · November 27, 2012 at 02:00 PM

Hi all, quick recap and then the questions. It REALLY doesnt need to be said not to ignore doctors, but the point of me doing this is to be more self reliant and not to have to depend on others input. Im a 28yo male and had insulin dependant... (more)

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UncleLongHair 0 · November 27, 2012 at 01:32 PM

People say that losing weight or getting fit is 80% diet and 20% exercise. In my experience, the opposite is true. Having a good diet is a necessary foundation for good health, but I don't feel remotely ok unless I am exercising regularly. If... (more)

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by 410 · August 01, 2012 at 11:36 PM

Am I correct in thinking that the main reason behind "eat a variety of fruits and vegetables" is to ensure a full nutrient portfolio? I've put my meals into FitDay and over the week I get pretty much double of triple of the RDA of everything... (more)

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BoneBrothFast 0 · August 01, 2012 at 11:36 PM

There are non-vitamin and non-mineral compounds in those foods that detoxify/cleanse our body in various ways. They might be free radical scavengers or increase glutathione production or bind to heavy metals. This is where plants belong in the... (more)

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by 0 · July 01, 2012 at 11:59 PM

Does such a thing exist? I saw in a previous post that Chris Kresser was working on a tool for this, but haven't been able to locate it. I've been using Paleo Track and obviously a strict Paleo diet does not jibe with the standard RDA. Would be... (more)

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Kelleil 0 · July 01, 2012 at 11:59 PM

I'm hanging out at 65 % fat 10% carbs 25% protein. I've been playing with the ratios and I keep coming back to that as optimal for me personally. Any more than 25% protein and I start getting insulin issues. I'm trying out your ratio for the day... (more)

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by 788 · April 03, 2012 at 01:30 AM

Possible Duplicate: Can food give us all the nutrients we need? This is part question and part sharing of a great webpage. I have been researching the vitamin and mineral content of food. I came across this... (more)

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Johnny 0 · April 02, 2012 at 05:53 PM

My hope is that your question is somewhat irrelevant since the FDA has everything so backwards. I strive for natural whole foods and variety including food type and color.

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by 1066 · January 20, 2012 at 04:59 PM

I eat somewhere between 4000-5000 calories a day. My weight hovers between 65-69kg and I'm 6ft with not much body fat. I cannot seem to gain weight easily. Should I just multiply my nutritional requirements by 2-2.5? Or are there micronutrients... (more)

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James_3 0 · January 20, 2012 at 04:16 PM

I believe minimum RDA is based on 2000 calories. I don't know how it scales if you eat double the calories. I don't think it does really.

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by 12607 · April 03, 2012 at 10:14 PM

It seems well established that when one is taking in proper amounts of the nutrients involved with improving calcium metabolism (e.g. Vitamin D, K2, Magnesium, etc.) calcium need is reduced. Assuming an adult is receiving appropriate intakes of... (more)

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AmandaLP 0 · April 03, 2012 at 09:04 PM

The issue is not just how much is recommended, but what food it is in, how your body absorbs it, and the balance of other vitamins and hormones. The RDA is about 1000mg per day for adults, slightly more for pregnant and lactating women. The World... (more)

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by 397 · January 18, 2012 at 11:53 PM

In particular, vitamin B1 (thiamine). I noticed on Cronometer that I get about 50% of the RDA for B1 (I know, RDA isn't necessarily important...). I was thinking of taking Jarrow B-Right which has 25mg of B1 (1667% of RDA). After reading the... (more)

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Dean 0 · December 13, 2011 at 08:36 AM

Synthetic folic acid has a higher bioavailability than the natural form. But it must go through a four step conversion process to be equal. So it's not just absorption but also having the right form that matters. I doubt that with 1667% of RDA,... (more)

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by 3512 · December 13, 2011 at 01:28 PM

I was reading through some old hacks, specifically these two, http://paleohacks.com/questions/82027/how-important-are-greens#axzz1gMVhbcbc http://paleohacks.com/questions/36094/what-am-i-missing-by-not-eating-green-vegetables#axzz1gMVhbcbc And... (more)

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Satya 0 · December 13, 2011 at 01:28 PM

Tripe, sweetbreads, heart (and other organs besides liver), fish, herbs and spices can round out the nutritional profile nicely. Many people fail to include herbs and spices when tracking, and depending on how much you use, it can add significant... (more)

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by 3854 · December 01, 2011 at 04:10 AM

How do we explain the concept of RDA with respect to the Paleolithic? It is quite likely that various groups ate very similar foods for days on end. A relatively large hunted animal would feed a group for days and they might eat a portion from it... (more)

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dzone 0 · November 30, 2011 at 02:07 PM

i am really confused about whole thing.

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by 5 · November 15, 2011 at 09:14 PM

So glad to have found this great resource for Paleo information - eating like our ancestors did has always made sense to me, but having a framework and extensive scientific information to help guide the way is making it so much more accessible,... (more)

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Nance 0 · November 15, 2011 at 09:14 PM

I think Chriss Kresser's new tool is going live this week and will be customized for ancestral health eaters. Right now it's a green area on the right side of his web page but will be a live diet/tracking tool very soon. I'm not plugging it but... (more)

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by 6043 · October 13, 2011 at 02:22 PM

"Nutrients generally deliver their greatest benefits when the body is deficient in them; few benefits when the body is replete; and often become toxic at high doses." This showed up on the Perfect Health Diet blog today, specifically in... (more)

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dzone 0 · October 13, 2011 at 02:22 PM

All nutrients follow that trend but some are depleted during stress and plateu range changes dramatically, for instance with vitamin C, body needs rise from ~10g per day to 100 or 200g per day depending on type of stress. I also commented on... (more)

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by 683 · October 11, 2011 at 12:19 AM

Possible Duplicate: No vegetables, on Paleo, is it possible? or unhealthy? I am eating mainly beef and bison and I am eating head to tail, so organs, muscle meat, fat, and bone broth. I am also eating lots of starchy carbs mainly from... (more)

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Geoff_ 0 · October 11, 2011 at 12:19 AM

I started cooking Robb Wolf style recently, aka cook come meat in fat then thrown on a ton of veggies on top to let steam together. Ive been feeling more energetic and "crisp" lately. So for me adding more veggies to my meat, fat, tuber, small... (more)

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by 2439 · October 02, 2011 at 07:13 AM

What does your diet look like? I'm asking because it seems that many people are still missing some nutrients and need to supplement with things such as selenium, vit k, iodine, mag, etc. Id love to just get all of this from food. But then again... (more)

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dzone 0 · October 02, 2011 at 07:13 AM

As Quilt noted, I think that everybody should do HEAVY supplementation, judged by RDI standards. Orthomolecular medicine practitioners are valid doctors from various felds that get disappointed by ineffective standard treatments. Those are not... (more)

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by 387 · March 01, 2011 at 03:03 PM

Does anyone know if the FDA dietary guidelines take into account absorption of nutrients from food? For example, if it says 600 mg of such and such, does that mean 600 mg absorbed from food or 600 mg contained in food before eating? Note: I am... (more)

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The_Quilt 0 · March 01, 2011 at 02:06 AM

no they cant because it is variable among persons. But you can determine this yourself by intensive testing with your doc.

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by 768 · February 16, 2011 at 04:37 AM

Hi All, It makes sense to me that current RDA levels are based on the SAD paradigm. But how can I know when to disregard certain "deficiencies" when on a paleo diet, and when there should be a legitimate effort to increase intake of a nutrient?... (more)

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Rob_from_ketocure_com 0 · February 15, 2011 at 07:42 PM

(deleted) .

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by 15324 · November 22, 2010 at 06:41 AM

I was wondering whether one's vitamin D needs increase significantly during periods of stress, e.g. when you're ill. It's been suggested that consumption of wheat bran increases the rate at which the body burns through vitamin D (perhaps because... (more)

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judson 0 · November 22, 2010 at 06:41 AM

Keep in mind, that some immune cells are known to locally convert inactive vitamin d to active vitamin d...

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by 20469 · August 16, 2010 at 03:41 AM

Overall, I think we all feel that eating paleo is healthy and highly nutritious. But since paleo is not an exact diet and each of us will choose different foods according to preferences and availablity, I think it is only fair to admit that it is... (more)

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Paleo_Seb 0 · August 16, 2010 at 03:41 AM

As for calcium, I think the present recommendations are for those bone leaching, low fat, irritated gut, vitamin D and K2 deficient heavy dairy SAD eaters. No matter how high an amount of calcium someone seems to get in their diet when eating a... (more)

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by 20469 · June 28, 2013 at 01:43 PM

Tracking my nutrient intake, I have noticed that I am consistantly low on my daily calcium intake. According to the RDA, I should be getting 1000mg per day. I am finding that hard to do on a consistant basis. Many of the foods high in calcium... (more)

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Ikco 0 · August 05, 2010 at 07:12 AM

Foods highest in Calcium @ Nutrition Data Spices, cheese, milk and all sorts of dried stuff make most of the first 206 foods. The first meat product is "Beef, variety meats and by-products, mechanically separated beef, raw" with 485mg of calcium... (more)

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by 20469 · March 19, 2012 at 09:35 PM

We hear a lot in the media about this or that being the lastest 'superfood.' Soy is a classic case. However, on inspection, many of these foods do not turn out to be so super after all. Case in point, someone was recently touting purslane (a... (more)

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David_Moss 0 · July 27, 2010 at 06:39 PM

Kidneys (like a souped up version of muscle meat: it contains all the normal nutrients, but in substantially higher quantities). Whole herring, sardines, mackerel, salmon (all excellent for omega-3 primarily, but also highly nutritious, the whole... (more)

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by 4888 · May 18, 2010 at 07:31 AM

Yesterday I had three ounces of lambs liver with egg tomato and spinach. When I entered it into FitDay I was AMAZED at the nutrients which had reached way over the RDA - so liver must be very nutrient rich. So - is once a week enough or can I eat... (more)

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Morgan 0 · May 18, 2010 at 07:31 AM

Excellent question. In fact, this question is so fantastic, I just asked it about three days ago ;) Hehe. Got a bunch of great responses, too: http://paleohacks.com/questions/4786/too-much-offal-too-little-meat-meat (more)