What are garlic's health benefits?

Garlic may support cardiovascular health by helping reduce TMAO, and it may also promote cardiovascular tone and blood flow. 1

• Allicin and TMAO: Garlic contains allicin, which may inhibit TMAO production in the gut. Elevated TMAO is discussed as a cardiovascular concern. 2
• 600 mg garlic extract: A 600 mg garlic dose is described as a way to help offset TMAO increases linked to L-carnitine or alpha-GPC. 3
• Cardiovascular tone and blood flow: Garlic may benefit cardiovascular tone and blood flow, and eating garlic is also presented as an option. 4
• Cholesterol: Garlic was associated with a drop in LDL in one personal example, but the speaker was unsure whether the change was caused by garlic. 5