The Landmark Study

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Two Studies, a Lifetime of Proven Results

The Landmark Studies comprise the first multi-study, comprehensive look at the health impacts of long-term usage of a broad array of dietary supplements. The two studies, conducted in collaboration with the University of California Berkeley (2005) and, later, Tufts University (2015), compared long-term Shaklee adherents with a control group of US adults who took either no supplements or two or fewer supplements.

In the first study, members of the Shaklee group had healthier biomarkers and higher blood nutrient levels.* These differences generally persisted over the 10 years between the two studies. Additional findings from the 10-year follow-up study included a lower usage of medication in the Shaklee group, who were now an average age of 72.

The primary goal of these studies was to investigate the long-term health and nutritional status of individuals who regularly use multiple dietary supplements, particularly those manufactured by Shaklee Corporation, and compare them to non-supplement users and users of single multivitamins.

Key aspects and findings of the Landmark Health Studies include:

  • Focus on Long-Term Supplement Users: The studies specifically examined individuals who had been taking Shaklee supplements for extended periods, some for over 30 years.
  • Comparison Groups: Data from Shaklee supplement users were compared with data from the National Health and Nutrition Examination Survey (NHANES) for non-supplement users and those using a single multivitamin.
  • Biomarkers of Health: Researchers assessed various health biomarkers, including :
  • 1. Nutrient Levels: Shaklee users generally had significantly higher levels of key nutrients like iron, folate, and vitamins A, C, E, D, and B12, and higher omega-3 index. This suggested effective absorption of nutrients from the supplements.
  • 2. Heart Health: Shaklee users showed better markers of heart health, such as lower triglycerides, higher HDL (good) cholesterol, and lower LDL (bad) cholesterol.
  • 3. Health and Inflammation: They also had lower levels of homocysteine (associated with cognitive decline) and C-reactive protein (CRP), a marker of inflammation.
  • 4. Sugar Control and Weight Management: Later studies also indicated better glycemic control (lower glucose, insulin, and HbA1c) and healthier weight (lower BMI) among Shaklee users.
  • 5. Risk of Chronic Diseases: The studies suggested a reduced risk of elevated blood pressure and self-reported diabetes in long-term Shaklee supplement users.

In essence, the Landmark Health Studies aim to provide scientific evidence regarding the impact of long-term, comprehensive dietary supplementation on various health indicators, with a specific focus on the efficacy of Shaklee’s products.

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Article from Forbes

Click here to read the original article from Forbes

Click here to read the original article from Nutritional Journal

The study showed that people who used Shaklee supplements had much healthier biomarkers for heart, brain, and cognitive health compared to non-supplement or non-Shaklee product single-supplement users.

Do Shaklee Supplements Work?

A Lifetime of Results Proves They Do

The Landmark Health Studies, the first multi-study to examine 30+ years of supplement use, show us that Shaklee users have better health outcomes than supplement non-users.**

The Results Speak for Themselves

Shaklee users showed significantly better health than sample groups.

Better health results

How does this make you healthy?

  • Higher blood nutrient levels
  • Healthier biomarkers of health
  • Better health outcomes

Study Objectives

Landmark Study Objective

In this cross-sectional study, we examined the benefits of 20+ years of Shaklee supplement use. We compared Shaklee supplement users with non-supplement users and those who used a single multivitamin from other brands by assessing nutrient levels in their blood, and biomarkers reflecting various aspects of health.

10 Years later

This study followed up with people who participated in Landmark 1 to find out if the health benefits they originally experienced were still present 10 years later. It also explored new markers of health to further improve our understanding of the impact of long-term supplement use.

Study Details

Landmark Study Details

To understand the relationship between supplementation and health, the Landmark Study was conducted in collaboration with researchers from the University of California, Berkeley.

10 Years later

Researchers looked at the health biomarkers and medication use in 156 people who had been taking Shaklee supplements for 30+ years (an additional 10 years of multiple supplement use) compared to 806 people who did not use any supplements.

After 10 years, Shaklee users still raise the bar for better health.

The benefits of Shaklee supplements persisted over time despite its users being on average 15 years older than the comparison group.

Click here to read the original article from Shaklee

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