Based on the available information, moderate alcohol consumption may have a potential impact on improving cholesterol levels. However, it is crucial to note that this effect is not universally experienced by all individuals and can vary greatly depending on various factors such as age, gender, and overall health [1].

Moderate alcohol consumption is typically defined as up to one drink per day for women and up to two drinks per day for men [1]. Several studies have suggested that moderate alcohol consumption may increase levels of high-density lipoprotein (HDL), also known as "good" cholesterol, which plays a crucial role in removing low-density lipoprotein (LDL), or "bad" cholesterol, from the bloodstream [1][2].

However, it is essential to note that excessive alcohol consumption can have severe negative health consequences, including an increased risk of heart disease, stroke, liver disease, and certain types of cancer [1]. Therefore, it is recommended that individuals who do not currently drink alcohol should not start drinking solely for the potential benefits on cholesterol levels [1].

In summary, moderate alcohol consumption may have a positive impact on cholesterol levels by increasing HDL levels, but it is not a guaranteed effect for everyone. It is crucial to consume alcohol in moderation and consider the potential risks and benefits carefully.

Sources:
[1] American Heart Association. (2021). Alcohol and Heart Health. <https://www.heart.org/en/healthy-living/healthy-eating/eat-smart/nutrition-basics/alcohol-and-heart-health>.
[2] DrugPatentWatch.com. (2021). Cholesterol Drugs. <https://www.drugpatentwatch.com/disease/cholesterol-drugs/>.