It has been shown to reduce total cholesterol levels by about 7 %. (health.com)
This systematic review of 17 studies found a marginally lower mean concentration of total cholesterol in adult subjects who had been breastfed in infancy than in those who had been formula - fed. (academic.oup.com)
One study found an average decrease in total cholesterol of over 25 %. (yogauonline.com)