Cheese (Mozzarella)
Dairy · Cheese
Mozzarella rates green at a third of a cup shredded, 40 g, with 0.15 g of lactose. The catch is not the cheese but the quantity: a pizza is normally built with more mozzarella than that, and a fresh ball holds several tested serves in something two people casually halve. Unlike aged cheese, this one is worth weighing once.
Last updated 3 September 2026Serving sizes for cheese (mozzarella)
The tested serve is 40 g, a third of a cup shredded, rated green.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 1/3 cup shredded | 40 g | Lactose 0.15 g |
Breakdown for 0.33 cups
Is cheese (mozzarella) low FODMAP?
Mozzarella is the odd one out among low-lactose cheeses because it has never been aged. The curd is cut, then kneaded and stretched in hot water, and milk sugar dissolves readily enough to leave with that water rather than waiting to be fermented away. Balls stored in liquid shed a little more into the tub they sit in. What remains is 0.15 g across the tested serve, under a third of the 0.5 g point at which lactose starts weighing on a portion, and no other FODMAP group registers.
Cheese (Mozzarella) and IBS: what to know
Pizza is where this cheese catches people out, because nobody portions by the third-cup once it has melted onto a base. A single cheese pizza slice is rated amber in our guide, and the mozzarella is only part of that story: the wheat base brings fructans, and most tomato sauces are started with garlic. Two slices is a genuinely different proposition from one. At home both variables are yours, so a lighter scatter of cheese on a gluten-free base keeps the plate inside what you know.
Gut-friendly ways to eat cheese (mozzarella)
A third of a cup goes further melted than cold, so let heat do the spreading: a thin layer grilled onto toast covers more bread than the same weight cubed through a salad. Torn over sliced tomato with basil is the classic use, and both of those rate green, so the plate stays uncomplicated. Buffalo mozzarella, bocconcini and the firm pizza blocks all come from that same stretched-curd method, though our figure describes the shredded kind, so judge unfamiliar formats by weight rather than by eye. Drain the ball properly before it reaches the plate.
Frequently asked questions
Is mozzarella lower in lactose than cheddar?
No. Cheddar records 0.02 g at two slices, several times below the tested mozzarella serve, and age explains the gap: cheddar has months of ripening behind it and mozzarella has none. Both rate green, so the comparison only starts to matter if you are eating cheese in quantity, or stacking it with other dairy across the same day.
How much mozzarella can I use on a homemade pizza?
A third of a cup shredded is the amount our data covers, and that is a modest scatter rather than a blanket. Spreading one tested serve over a whole base keeps the cheese side of the meal green and leaves your attention for the base and the sauce, which is where a pizza usually turns amber or red anyway.
Is fresh mozzarella in water different from the shredded kind?
For FODMAP purposes they are the same cheese in different clothing. Fresh balls are wetter, so a given weight contains less actual cheese and more liquid, while shredded blocks are drier and denser. Our figure is measured on the shredded form, so if you are using a ball, weigh it rather than guessing from its size.
Can I eat mozzarella if I am lactose intolerant?
Many people can, but this is a fresh cheese rather than an aged one, so it retains more milk sugar than a hard block does. Lactose intolerance works by dose, which makes portion the whole question: a scattering on a caprese salad asks far less of you than a melted layer across a large pizza eaten in one sitting.
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