
Dietary Reference Intake
68
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24
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23
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Search complete. 68 mentions across 24 episodes found for "Dietary Reference Intake".
Oct 29, 2026
The Ultimate Biohacker’s Guide To Pre & Post-Surgical Prep: Technologies, Peptides, Stem Cells, Nutrition, What NOT To Do & Much More, With Dr. Reza Jazayeri
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45:13Reza JazayeriGUEST
So everyone talks about protein.
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45:15Reza JazayeriGUEST
So first of all, thanks for bringing up the amount of protein, because the reality is if you look at the FDA and the RDA, the recommended daily allowance for protein, like where that number come from, that the RDA was based on healthy young men around their twenties.
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45:31Reza JazayeriGUEST
What is the minimum amount of protein they should consume in order to avoid being malnourished.
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45:39Reza JazayeriGUEST
That number, which is 0.8, very different than you who's going to have surgery and recovering from an ACL reconstruction or my mom who's having a total hip replacement or someone has a trauma, right? Again, going back to understanding that because surgery is this hypermetabolic, you're really bringing a lot more tissue, that number is not gonna be able to be sufficient.
The Hidden Root Causes of IBS with Dr. Izabella Wentz
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13:57Izabella WentzGUEST
That was also my observation in people who would maybe get like brain fog from carbohydrates or a lot of blood sugar swings, taking some thiamine could actually reverse that.
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14:07Izabella WentzGUEST
And it's very interesting because there is a therapeutic dose of thiamine that I will use that's way beyond the RDA.
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14:15Izabella WentzGUEST
So the RDA might be like milligrams where we're using mega doses of thiamine.
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14:20Izabella WentzGUEST
There are a few different types of thiamine.
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14:23Izabella WentzGUEST
There's straight up thiamine, there's injectable thiamine, there's silbutiamine, which tends to be more brain active.
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15:04Autumn SmithHOST
And what are the best dietary sources? I know pork is one of them.
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15:08Autumn SmithHOST
The tricky thing, again, it's like the
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15:09Izabella WentzGUEST
RDA of thiamine and what you would get from foods is going to be like 1.2 milligrams per day, right? For men.
Top 10 Vitamin C Foods You Must Eat
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9:15Sten EkbergHOST
And that is what we today consider a sufficiency.
S
9:19Sten EkbergHOST
but we're not really only interested in sufficiency we want to look at what might be optimal because during times of stress and during times of infection your body requires more so let's just kind of double it and say that optimal is probably somewhere between 150 to 200 especially when your body has an increased need But when they make those recommendations of vitamin C, the RDA, the recommended daily allowance, and they say it should be 75 to 90 milligrams, what is it that they're recommending? It's 90 milligrams of what? is it the vitamin C or is it ascorbic acid and I know that you did your research you looked it up and the dictionary says they're the same thing well we're going to take it a little bit further and we're going to show you that they're not the same thing and this is a huge part of the problem and the confusion vitamin c does have ascorbic acid but it is not just ascorbic acid vitamin c is a complex it's a functional unit and it consists of several different components it has something called ascorbigen and bioflavonoid complexes and they have multiple coordinating roles in the overall function and coordination of the vitamin c complex Then we have something called tyrosinase which is an enzyme and this is a form of organic copper.
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10:59Sten EkbergHOST
It has a role of trace mineral activator and it is the thing that actually stimulates and makes the white blood cells get going.
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11:09Sten EkbergHOST
So that is the immune system portion of this.
What is choline? The nutrient you've probably never heard of
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3:03Monica ReinagelHOST
But how much choline is enough? Turns out to be a good question.
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3:08Monica ReinagelHOST
Choline does not have a recommended dietary allowance, an RDA, because the panel of experts that establishes those recommendations feels that there's not enough data to determine what amount is sufficient.
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3:23Monica ReinagelHOST
And when there's not enough information to set an RDA, the National Academy of Medicine kind of punts by setting an adequate intake instead.
M
3:32Monica ReinagelHOST
And this is usually based on the amount that healthy people seem to be getting.
M
3:37Monica ReinagelHOST
And the assumption there is that if they're generally healthy, well, then they must be getting enough.
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5:58Monica ReinagelHOST
Now, for now, it's up to women and their doctors to make sure that this need is being met.
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6:04Monica ReinagelHOST
The American College of Obstetricians and Gynecologists recommends that women who are pregnant or trying to get pregnant aim for 450 milligrams a day, including what they get from their diet.
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6:17Monica ReinagelHOST
Given its importance, I'm eager for researchers to produce enough evidence to allow us to set actual RDAs for choline in those different life stages.
Are You Wasting Money on NAD Supplements?
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35:49Lisa SmithHOST
Although remember, that one has to go through the extra step just to become NR.
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35:55Lisa SmithHOST
So how do you actually put this all together? How would you even know how much to take? Well, the RDA for vitamin B3 is 16 milligrams.
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36:04Lisa SmithHOST
Now, that number, as all the RDAs, was based on the minimum needed to prevent full-blown disease, in this case, pellagra, not the threshold you need to optimize cellular function and NAD levels.
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36:19Lisa SmithHOST
It is the floor.
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36:20Lisa SmithHOST
It's not the ceiling.
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36:21Lisa SmithHOST
So when you see RDA levels, keep that in mind.
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36:23Lisa SmithHOST
Those are the floor.
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36:24Lisa SmithHOST
They're never the ceiling.
BONUS: Peri/Menopause are a Natural Function of Aging: See you later, Ovulator! | Perimenopause, Menopause, Hormone Health
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38:07Esther BlumGUEST
And so you raise a really good point, Cynthia, which is the other thing I want to say is most women I see are eating between 900 and 1250 calories a day.
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38:17Esther BlumGUEST
That is, it's hard to even meet your RDA and the RDAs are low for nutrients.
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38:23Esther BlumGUEST
It's hard to even meet your RDAs on 1250.
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38:27Esther BlumGUEST
And so what we do is we diet them up.
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38:30Esther BlumGUEST
And I see we, I have a strength coach who is part of my practice and a nutrition coach as well.
How to Raise Strong Kids: Protein, Strength Training and Building Bone Before Adulthood
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5:46Gabrielle LyonHOST
And that's IAAO technique to identify the point where additional dietary protein stopped producing further improvements in amino acid utilization.
G
5:56Gabrielle LyonHOST
The estimated average requirement came out to be around 1.3 grams per kg per day, with the RDA like estimate being 1.5 grams per kg.
G
6:10Gabrielle LyonHOST
That's substantially above the current 0.95 grams per kg recommended for that age group.
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6:17Gabrielle LyonHOST
To be fair, this was a small study involving only seven children, and as you can imagine, children are very difficult to test.
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6:25Gabrielle LyonHOST
But get this, the current RDA includes data from only two studies involving eight boys.
G
6:31Gabrielle LyonHOST
The DRI, which is the dietary reference intake, explicitly says that the indicator amino acid oxidation technique is superior to nitrogen balance and should be relied upon when available.
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6:44Gabrielle LyonHOST
So when I said that our recommendations are not settled science, this is what I'm talking about.
Plant-Powered Seniors: Nutrition, Aging & Thriving on a Plant-Based Diet with Brenda Davis
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13:56Brenda DavisGUEST
And essentially, we need a stronger protein stimulus to achieve the same amount of muscle building.
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14:06Brenda DavisGUEST
And so the RDA for protein is 0.8 grams of protein per kilogram of body weight.
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14:12Brenda DavisGUEST
Of course, a kilogram is 2.2 pounds.
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14:16Brenda DavisGUEST
And what a lot of people don't realize is in North America, in the United States and Canada, we don't have a separate RDA for seniors, but they do in a lot of countries.
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14:31Brenda DavisGUEST
Australia, all the Nordic countries, several European countries have higher recommended intakes for seniors.
B
14:39Brenda DavisGUEST
And most of the expert consensus groups recommend one to 1.2 grams of protein per kilogram for seniors with higher amounts needed for those with chronic diseases or illnesses.
21 MINS LATER
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35:52Brenda DavisGUEST
We want to meet our recommended intakes or maybe slightly more.
B
35:56Brenda DavisGUEST
We want to maintain a healthy vitamin D level.
The supplements women should prioritise in midlife (and the ones to skip) – with Rhian Stephenson
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16:08Rhian StephensonGUEST
So as you said, fiber is a buzzword for good reason.
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16:13Rhian StephensonGUEST
We know now that it is so important to get enough and 96% of us are not getting the RDA, which is 30 grams a day.
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16:21Rhian StephensonGUEST
96% and
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16:23Liz EarleHOST
that RDA is not high.
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16:25Liz EarleHOST
It's not
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16:25Rhian StephensonGUEST
optimal.
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20:47Liz EarleHOST
food, but right
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20:47Rhian StephensonGUEST
now we aren't.
What Actually Protects Your Brain? with Dr. Jake Goodman
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27:12Annie FennHOST
A paper last year I thought was really, really important when it comes to long-term brain health.
A
27:16Annie FennHOST
They looked at the RDA, which is the recommended daily allowance of magnesium, and found that most people probably need more than 350 milligrams a day, that they were finding more cases of reduced brain volume with age if they're under 550 milligrams a day.
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27:34Annie FennHOST
And this was especially true in women.
A
27:36Annie FennHOST
So we may need to rethink the RDA.
A
27:38Annie FennHOST
We may need to be getting more magnesium than we think we're getting.
A
27:42Annie FennHOST
And I think that magnesium can definitely improve sleep if a brain-specific type of magnesium is used, like a magnesium glycinate.
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