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Strong evidence for lowering blood pressure

• Omega-3 fatty acids, fish oil, alpha-linolenic acid

Good evidence for lowering blood pressure

• Coenzyme Q10

Unclear evidence for lowering blood pressure

• Garlic (Allium sativum L.)

Making the most of supplements

• Herbal supplements: What to know before you buy

Ask a high blood pressure specialist

• L-arginine: Does it lower blood pressure?