The Study
Effect of a dietary portfolio of cholesterol-lowering foods given at 2 levels of intensity of dietary advice on serum lipids in hyperlipidemia: a randomized controlled trial.
This study is like a fair science experiment where people were randomly put into different diet groups to see which one lowers bad cholesterol the most. It shows that the special diet with nuts, fiber, and plant stuff probably works better than the regular healthy diet.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
This study looked at whether eating special cholesterol-lowering foods every day can reduce bad cholesterol in people who have high levels. Some people got lots of diet help, others got less, to see if more help works better.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 566 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1A 13% drop in bad cholesterol is a big deal—it can lower the chance of heart disease.
- 2Just changing your diet with these foods works well, even without frequent doctor visits.
- 3People who ate the special foods (nuts, soy, fiber, plant sterols) lowered their bad cholesterol by about 13% in 6 months.
- 4It didn’t matter if they got lots of diet help or just a little.
- 5The group that only followed basic low-fat advice lowered cholesterol by only 3%.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
JAMA
Year
2011
Authors
D. Jenkins, Peter Jones, B. Lamarche, C. Kendall, D. Faulkner, L. Cermakova, I. Gigleux, V. Ramprasath, R. D. de Souza, Christopher Ireland, Darshna Patel, K. Srichaikul, S. Abdulnour, B. Bashyam, Cheryl Collier, Sandy Hoshizaki, R. Josse, Lawrence A Leiter, P. Connelly, J. Frohlich
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.