Vegetable · Allium

Garlic

Health
ScoreA

Garlic is a pungent bulb vegetable rich in sulfur-containing compounds, particularly allicin, which forms when cloves are crushed or chopped and is the primary source of its potent health-promoting properties.

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Why Garlic scores 89

Nutrient density35

Protein quality9

Fiber content5

Healthy fats5

Bioactive compounds14

Glycemic impact9

Top nutrients

% Daily Value per ½ cup (85 g)

Manganese 62%Vitamin B6 62%Chromium 61%Vitamin C 29%Copper 28%

Nutrition

per_100g

149

Calories

6.4g

Protein

33.1g

Carbs

0.5g

Fat

2.1g

Fiber

Health benefits

Cardiovascular support and blood pressure reduction

moderate evidence

Allicin and related compounds promote nitric oxide production in endothelial cells, improving vasodilation and reducing arterial stiffness while modulating platelet aggregation

Reduced inflammatory markers and immune modulation

moderate evidence

Sulfur compounds activate macrophages and natural killer cells while suppressing NF-κB inflammatory signaling pathways

Lipid profile improvement

moderate evidence

Organosulfur compounds inhibit cholesterol synthesis in hepatocytes and increase LDL particle size, shifting toward less atherogenic profiles

Enhanced antioxidant defense

moderate evidence

Sulfur compounds upregulate glutathione S-transferase and other Phase II detoxification enzymes, increasing cellular antioxidant capacity

Potential neuroprotection and cognitive support

emerging evidence

S-allylcysteine (particularly abundant in aged garlic) crosses the blood-brain barrier and reduces neuroinflammation and amyloid-related pathology in preliminary models

Pairs well with

·Pair with olive oil because fat-soluble absorption of garlic's compounds is enhanced, and olive oil's polyphenols provide synergistic anti-inflammatory effects
·Combine with cruciferous vegetables (broccoli, Brussels sprouts) because both contain glucosinolates and sulfur compounds that work additively to enhance detoxification enzyme expression
·Pair with tomatoes because lycopene absorption is enhanced by garlic's organosulfur compounds, and both support cardiovascular and anti-inflammatory pathways
·Combine with turmeric because curcumin and allicin both inhibit NF-κB signaling, creating multiplicative anti-inflammatory effects

Practical tips

·Best timing: Garlic's benefits accumulate with regular, consistent consumption throughout the day rather than depending on specific timing. Raw or minimally-cooked garlic with meals improves overall food absorption and tolerability.
·Crush or mince garlic and let it rest 5-10 minutes before cooking to allow alliinase enzyme to convert alliin into allicin; this maximizes bioactive compound formation before heat inactivates the enzyme
·Consume garlic raw or minimally cooked when possible, as prolonged cooking (>15 minutes) significantly degrades heat-sensitive allicin; add minced garlic at the end of cooking
·For maximum consistency in benefits, aim for 2-4 cloves daily (approximately 6-12 grams fresh weight); this provides 2-5 mg of allicin equivalent
·Select firm, unblemished bulbs with papery skin and store in cool, dark, well-ventilated conditions to maintain potency; avoid refrigeration which accelerates sprouting
·Consider aged garlic extract as a stable alternative if raw garlic causes digestive distress; it retains S-allylcysteine and other beneficial compounds while being better tolerated