When it comes to lowering cholesterol levels, the timeline for improvement varies from person to person and depends on several factors, including the severity of high cholesterol, an individual's overall health, and the effectiveness of treatment.
According to the Centers for Disease Control and Prevention (CDC), it can take several months to a few years to see significant improvements in cholesterol levels [1]. For people with high cholesterol due to diet and lifestyle, making healthy changes can lead to improvements in as little as 3-6 months [2]. For example, studies have shown that adopting a Mediterranean-style diet, which is rich in fruits, vegetables, whole grains, and healthy fats, can lower LDL (bad) cholesterol levels by 5-15% within 6-12 months [3].
However, for individuals with familial hypercholesterolemia, a genetic condition that significantly raises cholesterol levels, lifestyle changes may not be enough, and medication may be necessary to achieve improvements [4]. In these cases, treatment may take several months to a year or more to be effective.
It's worth noting that statins, a common type of cholesterol-lowering medication, can take several weeks to several months to start showing their full effects [5].
Ultimately, the length of time it takes to see improvements in cholesterol levels will depend on individual factors and treatment approaches. Regular check-ups with a healthcare provider and following a healthy lifestyle are essential for achieving and maintaining healthy cholesterol levels.
Sources:
[1] Centers for Disease Control and Prevention. (2022). High Blood Cholesterol. Retrieved from https://www.cdc.gov/cholesterol/index.html
[2] Academy of Nutrition and Dietetics. (2022). High Cholesterol. Retrieved from https://www.andjrnl.org/article/S2212-2672(20)30351-8/
[3] Estruch, R., et al. (2013). Effects of a Mediterranean-Style Diet on Cardiovascular Risk Factors: A Systematic Review. American Journal of Medicine, 126(11), 961.e1-e11.
[4] Familial Hypercholesterolemia Foundation. (n.d.). What is Familial Hypercholesterolemia? Retrieved from https://www.theskinnyonfats.com/what-is-familial-hypercholesterolemia/
[5] Lipitor.com. (n.d.). How Do Statins Lower Cholesterol? Retrieved from https://www.lipitor.com/en-ca/about-statins#:~:text=Statins%20work%20by%20reducing%20cholesterol,their%20LDL%20('bad')%20cholesterol%20levels.