Tag Archive for: supplement

The Bottom Line on Preschoolers, Probiotics, and Gastroenteritis

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“These studies are likely to have significant impact towards eliminating use of medications that don't seem to work.”

That’s a quote from a physician interviewed by NPR who wrote a commentary accompanying the two research papers on probiotic use for gastroenteritis or GE (1). I think it perfectly illustrates the fallacy of the pharmaceutical model of research on nutrition and its impact on health:

Nutrients are not medications.

They may come in pill form, they can be administered like medications, but they’re nutrients nonetheless.
Questions About the Studies
The . . .

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Power Up with Vitamin B12

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The final supplement I’ll cover this week is vitamin B12, sometimes called the energy vitamin. Many vitamins are involved with energy production, but a lack of B12 can certainly cause problems with energy and other issues.

Vitamin B12 is also known as cobalamin and if you’re wondering, yes, this vitamin does include the mineral cobalt. There are two primary functions of B12 in the body. The first is to help reduce the chemical homocysteine to methionine while helping folate be converted into a usable form in the same reaction. Without enough B12, homocysteine increases inflammation in the body . . .

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Do You Make Enough Coenzyme Q10?

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There’s one major difference between coQ10 and other vitamins, minerals, and nutrients such as omega-3s: we can produce coQ10 ourselves. The problem is that we may not produce all the coQ10 we need, especially as we get older.

CoQ10 is used in the production of energy from both carbohydrates and fat in the mitochondria of the cells. You remember mitochondria from science class; they’re often called the powerhouse of the cells. And coQ10 is the substance that’s used to produce that power. It’s critical in the steps where oxygen is used to produce ATP, the . . .

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What You Need to Know About Omega-3s

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This week I’m covering basic information about three supplements.  One of my favorites and one I don’t ever leave home without is omega-3 fatty acids.

There are three basic forms of omega-3 fatty acids: eicosapentanoic acid or EPA, docosahexaenoic acid or DHA, and alpha-linolenic acid or ALA. The body cannot make omega-3 fatty acids, so they have to come from food and supplements. ALA is an essential fatty acid—the body can make EPA and DHA from it but not very well—so getting EPA and DHA from diet and supplements is critical.

EPA . . .

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Why You Need to Supplement

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The author of the opinion article in JAMA recommended that physicians make their patients aware of the research that questions the effectiveness of supplementation, hence his title “Negligible Benefits, Robust Consumption” (1). In making that recommendation, he gives the precise reason why that’s a bad idea. As I said Thursday, the answer can be found in the data used in the original article in JAMA about supplementation use in the U.S. (2).

While the JAMA article focused on supplementation, it also included data on food . . .

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Supplements: No Benefits?

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The opinion piece in the journal article was titled “The Supplement Paradox: Negligible Benefits, Robust Consumption” (1). The author is a well-respected physician who has written often about what he feels are the problems in the dietary supplement industry. He used the article I talked about Tuesday as a basis for his latest thoughts. Why would supplement use stay the same when research demonstrates that there are little to no benefits?

He raised three points. First, he suggests that people haven’t heard about the negative studies. I would debate that based on the questions I get about science . . .

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Changes in Supplement Use

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I take dietary supplements, and so do most of the people I know. We’re not alone. Using data from the NHANES data in 1999 and 2012, researchers compared how many people used supplements and what type of supplements they used (1).

Close to 38,000 subjects were included in the study. The percentage of people using supplements remained fairly stable over the time span at 52%; what changed was the types of supplements people took. Multivitamin-multimineral (MVMM) dropped 6% from 37% to 31%. There were some increases: vitamin D supplementation (other than from MVMM) increased from 5.1 . . .

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Supplement Ingredient Follow-up

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The Consumer Report messages on supplements also brought out the responses. There were a few that I thought I should write about to bring about some clarity on the topic.

From the list of “15 Supplement Ingredients to Always Avoid,” I wrote about only green tea extract in depth and mentioned caffeine powder. Most were herbs that are not found in conventional supplements such as multivitamins or coenzyme Q10. What seems to be a characteristic of most herbs on the list is that they cause liver and kidney damage when not used properly such as comfrey, kava, and usnic acid . . .

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Curcumin and Your Health

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Curcumin certainly has the health experts excited. I understand, but I also think there are some things that you have to know about this phytonutrient before you begin taking mega-doses every day.

Absorption and Bioavailability

Curcumin is not well absorbed in the digestive system—in fact, it’s very poorly absorbed, with some studies showing that no measurable curcuminoids reach the bloodstream at all. That’s why a focus of research has been to get the active part of turmeric into a better delivery system. I mentioned combining it with piperine, a component of black pepper, on . . .

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Curcumin Research

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Curcumin is fast becoming one of the most researched phytonutrients in the world. As evidence, in 2000, there were about 100 papers published on curcumin; in 2015, there were 1,100 papers published. And in the first quarter of this year, there were over 400 papers published. Why all the attention on this yellow phytonutrient?

I mentioned the anti-inflammatory and antioxidant qualities on Tuesday. The focus of a lot of research is for curcumin’s use as a potential cancer treatment and preventive for Alzheimer’s disease. Most of these are test-tube studies. Researchers are trying to examine . . .

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