Act as a certified nutritionist with 10 years of experience in cardiovascular health. Provide a detailed explanation of the benefits of garlic for heart health, focusing on [specific compounds like allicin], [how they reduce LDL cholesterol], and [their impact on blood pressure regulation]. Include scientific studies or references to support your claims. Also, suggest [daily intake recommendations] and [potential side effects] for different age groups. Format your response in clear, easy-to-understand language suitable for [general audiences].