Garlic Extract
Garlic extract is derived from Allium sativum bulbs and standardized for allicin and other organosulfur compounds. It has been used medicinally for thousands of years across cultures and is one of the most extensively studied herbal supplements, particularly for cardiovascular health.
Research Evidence
Exhibits antimicrobial properties against various pathogens
ModerateModestly reduces total and LDL cholesterol
StrongSupports immune function and reduces cold severity
ModerateReduces TMAO levels from choline-containing supplements
ModerateLowers blood pressure in hypertensive individuals
StrongExpert Evidence
31 references from 3 experts
“But based on this recent study and the concerns about TMAO, I make it a point to always ingest a 600 milligram capsule of garlic any time I take alpha GPC, which again for me is about four days per week.”
Tools to Improve Your Focus & Concentration | Huberman Lab Essentials
Oct 1, 202630:5110 references in 8 episodes from 2021–2026
Safety & Cautions
Side Effects
- Garlic breath and body odor
- Heartburn or acid reflux
- Nausea when taken on an empty stomach
- Increased bleeding risk at very high doses
Garlic is generally well-tolerated at standard doses. Those on blood-thinning medications should consult a physician, as garlic may enhance anticoagulant effects.
Pairs Well With
Price Comparison
From $0.05/ct
K
Kyolic
4.6
•100 ct$0.13/ct
$13.29 total
N
NOW FoodsBest Value
4.7
•250 ct$0.05/ct
$12.36 total
N
Nature's Way
4.6
•100 ct$0.22/ct
$21.83 total
