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Author Topic: Nutrient Study Results - Marginal at Best  (Read 2414 times)

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Offline risred1

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Nutrient Study Results - Marginal at Best
« on: March 29, 2007, 12:07:23 AM »
For those of us who believe in supplementation, this demonstrates why our doctors don't think there is much to talk about.

It confirms one thing for me, while my CD4 Count has stabilized over the past year, my supplementation may not have alot to do with it. However, there are quality of life issues that were not measured. Simply, they were looking at CD4 Counts and VL.

I know that Kaiser is publishing results from his study that his formulation of nutrients has demonstrated an impact in a small double blind test. Also what is not being looked at are Anti Oxidants such as Alpha Lopaic Acid, NAC and Carnintine.

What is difficult to test for is obviously a huge combination of things we take as supplements, I take no less that 30 supps pills a day, recreating the kaiser formulation and adding herbal drugs.

While I don't like to talk about myself and how I feel about the results, because that isn't very scientific in the least. I did have liver enzyme issues that seem to go completely normal after I began the nutrient program I'm on. My skin and overall health seem pretty good and when I do get a cold, it doesn't seem to last very long. But my CD4 is hovering in the low 400's and high 300's and my VL has been consistent in the 15 - 20K range.

What I believe doesn't make it right. All I try to do is work through web resources, think through the ideas of nutrients and nutrition and see if what I do makes sense to do for me. This year I began taking Vitamin D supps, on the reports that in the winter months vitamin D greatly reduces in the body as we don't tend to be out exposed to the sun in the northern climates, and the conclusions that Vitamin D appears to have a powerful immune effect. Thus if you spend too much time in the sun you can get skin cancer just like if you spend too little time in the sun. So I was happy to add more Vitamin D to the diet and was happy to experience a better Winter Season with a less Winter Blue Response as I have been having and increasingly getting worse year after year. (And I even have a light therapy machine, and tried anti depressants.)

Sometimes these exercises in logic can be tortuous.

With all these studies showing this and that and the information that what is bad is now good and who knows what helps or not... No wonder our docs just focus on things that are essentially easier to study, medicines!


ARV Update: Micronutrient Deficiencies Less Common in Patients on ART

By Derek Thaczuk

December 2006

A study team has found several vitamin and mineral deficiencies, noted as common before the widespread use of antiretroviral drugs, to be much less common in patients on antiretroviral therapy. They also found these deficiencies to have relatively little effect on CD4 counts and viral load.

For people living with HIV/AIDS, the question "Which vitamins should I take?" is a simple one, but with a complicated answer. Most research to date has studied patients who are not on antiretroviral therapy. Widespread micronutrient (vitamin and mineral) deficiencies (as measured by low blood serum levels) have been found in these patients, and many of these have been associated with worse health outcomes.

Although supplement use is very common among HIV-positive patients, studies have often been very inconsistent regarding their benefits, with some even showing worsened outcomes for certain supplements. Little research has been done on micronutrient levels and supplementation in HIV-positive patients who are on antiretroviral therapy.

Nutrition for Healthy Living (NFHL) is an ongoing cohort study of nutrition and HIV disease status in HIV-positive adults in Boston and Providence, Rhode Island. In this component of the NFHL study (published in the December 1, 2006, issue of the Journal of Acquired Immune Deficiency Syndromes), the researchers specifically looked at HIV-positive people on antiretroviral therapy. For each of four specific micronutrients -- retinol (vitamin A), α-tocopherol (vitamin E), zinc, and selenium -- they asked the following four questions:

    * How many patients on antiretroviral therapy are deficient in these micronutrients?

    * How do these deficiencies affect viral load and CD4 levels?

    * What are the effects of supplementation?

    * How do these findings compare with other studies?

The study group was made up of 171 men and 117 women, seen between 2000 and 2003. All were on antiretroviral therapy, and the majority (62% to 69%) had undetectable viral loads. Most were in their mid-40s, and had been infected an average of 10 years. The group was quite racially varied, and many were poor.

Except for zinc, deficiencies were much less common than those seen in patients not on antiretroviral therapy. None of the micronutrient levels significantly affected CD4 counts. Viral loads tended to be slightly lower in people with higher zinc and selenium levels, although these were not statistically strong results. Results for retinol (vitamin A) were more complex [see Retinol section]. Supplement use did not have a significant effect on CD4 count or viral load for any of the micronutrients studied.

Vitamin E Deficiency
Serum levels of α-tocopherol (vitamin E) were found to be deficient (defined as less than 500 g/dL) in 7% of the men and essentially none of the women. Consistent with previous studies, this deficiency did not correlate with any differences in CD4 count or viral load.

Zinc Deficiency
Of the four nutrients studied, zinc was the only one found to be widely deficient: 40% of the men and 36% of the women had low zinc levels. (The NFHL defined "deficiency" as serum zinc levels less than 670 g/L: this is in the middle of the range of various levels used in other studies.)

The researchers did not find that zinc deficiency affected CD4 counts or had much effect on viral load. Patients with higher zinc levels tended to have lower viral loads, but this effect was slight and not statistically significant. While there was no evidence that zinc intake actually increased serum zinc levels, neither was there any indication that it was harmful.

The viral load findings, slight as they were, raise a question about cause and effect: Could higher zinc cause better control of viral load? This study cannot answer that question. It could be true, but so could the converse -- that lower viral load causes increased zinc levels. (Since HIV itself uses zinc, lower levels of HIV -- due to antiretroviral therapy -- could free up zinc that would otherwise be used by the virus.)

Selenium Deficiency
Selenium deficiency was seen in 8% of the men and 3% of the women; much lower than some reported figures for patients not on antiretroviral therapy. (A small study, mostly in injection drug users, reported 77% selenium deficiency rates in 1995.) The NFHL study defined selenium deficiency as serum levels less than 85 g/L -- levels which are definitely associated with increased mortality. As with zinc, viral load levels varied slightly by selenium levels, and CD4 counts were not affected. Women with the lowest selenium levels tended to have the highest viral loads; there was no significant difference in men.

Retinol (Vitamin A) Deficiency
Serum retinol was deficient in 5% of the men and 14% of the women. (Deficiency was defined as less than 30 g/dL.) Effects of low retinol were the study's oddest and most complex finding. In women, the lowest retinol levels were found in the women with the lowest viral loads; this was a statistically significant result. The same was true only for men with high CD4 counts (>350 cells/mm3). However, for men with lower CD4 counts (<350 cells/mm3), the opposite was true: higher retinol levels were found in those with lower viral loads. There was no explanation for these apparently contradictory findings, However, other studies have found that patients with moderate levels of vitamin A intake are less likely to progress to AIDS than those with very low or very high intakes.

Limitations and Comments
The researchers concluded that, "most of our participants had adequate serum levels of retinol, α-tocopherol, and selenium. Low serum zinc was common." They also noted that, "although micronutrient supplement use was relatively common, it was not significantly associated with improved HIV disease status." However, HIV disease status was only narrowly measured by CD4 counts and viral loads, and did not include any quality-of-life measures or clinical outcomes. Also, this study only looked at patients on antiretroviral therapy, so it adds no knowledge about those who are antiretroviral-naive.


   1. Jones CY, Tang AM, Forrester JE, et al. Micronutrient levels and HIV disease status in HIV-infected patients on highly active antiretroviral therapy in the Nutrition for Healthy Living cohort. J Acquir Immune Defic Syndr. 43(4): 475-482, 2006.

risred1 - hiv +
02/07 CD4 404 - 27% - VL 15k
10/07 CD4 484 - 31% - VL 45k
05/08 CD4 414 - 26% - VL 70k
01/09 CD4 365 - 23% - VL 65k
05/09 CD4 291 - 23% - VL 115k - Started Meds - Reyataz/Truvada
06/09 CD4 394 - ?% - VL 1200 - Boosted Reyataz with Norvir and Truvada
07/09 CD4 441 - ?% - VL 118 - Boosted Reyataz with Norvir and Truvada
09/09 CD4 375 - ?% - VL Undetectable - Boosted Reyataz with Norvir and Truvada
12/09 CD4 595 - ?% - VL Undetectable - VIT D 34 - Reyataz/Truvada/Norvir


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