The science
Plant sterols have been studied for decades as a dietary way to help lower LDL cholesterol. Here is what the research says, how the dose was chosen, and what it means for Lester.
The evidence summarized on this page concerns plant sterols and stanols. It should not be read as a clinical trial of the finished Lester product.
The answer first
The useful questions are straightforward: does the ingredient have a plausible mechanism, is the daily amount supported by research, and can the outcome be measured?
Plant sterols have a structure similar to cholesterol. In the digestive tract they compete with cholesterol for absorption, so less cholesterol enters the bloodstream.
Four gummies provide 1,800 mg of actual, free-equivalent phytosterols. The serving is divided across two meals.
Research indicates the cholesterol-lowering effect is generally established within weeks. Because high cholesterol usually has no symptoms, progress is assessed with a lipid test.
How plant sterols work
Plant sterols have a similar structure to cholesterol. When you take them with food, they compete with cholesterol in your digestive system, so less cholesterol is absorbed.
Take two gummies with each of two meals.
They take up space cholesterol would otherwise use during digestion.
Less absorption can help lower the LDL cholesterol circulating in your blood.*
*Based on research into plant sterols and stanols. Individual results vary.
The evidence
Across 124 randomized studies, plant sterols and stanols consistently lowered LDL cholesterol when taken every day.*
What that means for your routine
Research shows that phytosterols can help lower LDL cholesterol when taken consistently. Lester provides 1,800 mg of actual, free-equivalent phytosterols across two servings each day.*
*Based on research into plant sterols and stanols. Individual results vary.
Evidence library
Each source is labelled by evidence type, with the practical relevance and study limitations kept beside the result.
Why this matters
Looking across many controlled studies provides a more useful estimate than relying on a single experiment. The analysis found a consistent dose-related reduction in LDL cholesterol.
Study context
Meta-analysis of 124 randomized controlled studies. Results vary by dose, food format, duration and participant population.
Why this matters
This analysis helped establish that meaningful daily amounts of plant sterols can lower LDL cholesterol when used consistently as part of the diet.
Study context
Meta-analysis of 41 trials. It evaluates ingredient-level evidence and is not a study of Lester.
Why this matters
Guidance helps place clinical findings into practical context. It does not imply that any institution endorses Lester.
Study context
Consumer health guidance rather than a Lester-sponsored study. Open the source to review the full context and limitations.
Source names identify the research or guidance cited and do not imply endorsement of Lester. Individual results vary.
What this means for Lester
Lester does not ask you to infer a result from how you feel. It turns an established dietary ingredient into a clear daily serving, then encourages you to measure progress in the appropriate way.
900 mg
The daily amount is split so phytosterols are present during two periods of digestion.
Blood test
Ask your clinician when to repeat your lipid panel and how to interpret the result.
Continue prescribed treatment unless your health care provider advises otherwise.
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