A vitamin D supplement to lower your triglycerides | Does that make sense?
Vitamin D supplementation lowers the concentration of triglycerides in your blood. Triglycerides are practically the same as VLDL, just about the unhealthiest type of cholesterol known to cardiologists. The downside of supplementation is that the effect is, erm, on the modest side.
Researchers from Tehran University of Medical Sciences traced 11 previously published studies in the scientific literature in which people over 60 were given extra vitamin D or a placebo - after which researchers analyzed changes in blood composition.
The Iranians aggregated the results of the trials together and re-analyzed them.
Vitamin D supplementation reduced the concentration of the triglycerides by an average of 0.45 mg/dL. If you now know that a healthy triglyceride level is lower than 150 mg/dL and that cardiologists only really start to worry if that level exceeds 200 mg/dL, you realize that in this case the contribution of vitamin D supplementation to cardiovascular health is on the modest side.
In the figure above, the researchers split their data according to the type of disorder of the subjects. They discovered that the diabetics benefited from supplementation, the other groups did not.
"Due to the high heterogeneity between included studies, the study results must be interpreted with caution, and large and well-designed RCTs are necessary to validate the review findings", the researchers write.
Diabetol Metab Syndr. 2022 Jun 25;14(1):88.
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