Garlic
Why garlic is anti-inflammatory
Garlic is anti-inflammatory, and it gets there in an odd way: the compound that does the work does not exist in a whole clove. An intact clove keeps two things apart, a harmless sulfur compound and the enzyme that acts on it. Crushing or chopping tears the cell walls between them. They meet, and allicin appears in seconds. That smell on your fingers is the reaction happening.
The trials back the reputation, with a caveat worth knowing. When scientists pooled the studies in adults, garlic brought down all three of the inflammation signals a doctor looks for in a routine blood test. A second review found the same drop in the main marker, but the other two did not shift as clearly. So the direction is consistent and the size is modest. Garlic is not a treatment. It is a food that nudges things the right way, day after day, for the price of a clove.
How you cook it matters more than how much you use. The enzyme that builds allicin is destroyed by heat, so a clove that goes straight from the press into a hot pan gives you flavour and very little else. Crush it and leave it on the board for around ten minutes before it meets the oil. That is long enough for the reaction to finish, and what forms in those ten minutes survives the pan far better than the enzyme would have. It is the cheapest upgrade on this whole list: same clove, same dinner, one small pause.
Garlic on the AIP diet
Garlic is allowed on the Autoimmune Protocol in every phase, elimination included. It is a bulb, so it sidesteps the seeds, grains, legumes and nightshades that AIP removes, and it becomes one of the few strong flavours left once pepper and chilli are gone. The one thing to watch is your own gut: garlic is high in FODMAPs, and many people on AIP also have a digestion that reacts to it.
Benefits
- Lowers the inflammation signals that show up in a routine blood test
- Crushing a raw clove creates allicin, the sulfur compound behind most of the effect
- Adds a lot of flavour with no sugar, no salt and almost no calories, so it replaces things that work against you
- Allowed on the AIP diet from day one, in every phase
Watch out for
- Raw garlic on an empty stomach can burn and upset digestion
- It is high in FODMAPs, which makes it a common trigger if you have IBS
- It can add to the effect of blood-thinning medication, so ask your doctor first
- Cooking it straight from the press destroys most of what makes it work
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Frequently asked
Is garlic inflammatory?
No, garlic is anti-inflammatory. In pooled trials it lowered the inflammation signals a doctor measures in a blood test. It works through allicin, the sulfur compound that only forms once a clove is crushed.
Is raw garlic better than cooked garlic?
For inflammation, raw wins, but crushed-then-cooked comes very close. The enzyme that builds allicin is wrecked by heat. Crush the clove, leave it ten minutes, then cook it: by that point the allicin has already formed, and it holds up in the pan.
How much garlic should you eat a day?
One to two cloves is where the everyday advice lands, and the trial doses sit in that range or a little above. Going much higher mostly buys you a burning stomach, not a better result.
Is garlic allowed on the AIP diet?
Yes, in every phase. AIP takes out seeds, grains, legumes and nightshades, and garlic is none of those. Watch your own tolerance though: it is high in FODMAPs, so it is a frequent trigger if your gut is sensitive.
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