Button Mushroom: Nutrition & Benefits
Everyday protein + B-vitamins, mild enough for any dish.
Button mushroom (Agaricus bisporus) is the mushroom most Indian kitchens actually mean when they say "mushroom": the small, round, white-capped variety sold fresh in every metro vegetable market. It's also sold internationally as white mushroom, and the same species picked a little later and left to brown becomes cremini, then portobello.
"Baby bella" is a US grocery term for cremini at a young stage: genetically the same Agaricus bisporus as button, just a shade darker and slightly firmer. Nutritionally the two are close enough that button mushroom nutrition figures are a reliable stand-in for baby bella nutrition as well.
Button mushroom nutrition facts (per 100g)
Button mushroom nutrition per 100g comes in at 22 kcal, 3.1g protein, 1g fibre and 318mg potassium: low-calorie enough to eat in volume, with a protein density most raw vegetables can't match.
Button mushroom benefits
- One of the higher-protein options among common vegetables, at ~3g per 100g raw.
- Naturally low in calories and fat, which is why it's a default "bulk it up" ingredient in weight-conscious cooking.
- A meaningful potassium source (318mg/100g), relevant for everyday electrolyte balance.
- Develops vitamin D2 when exposed to sunlight, one of the few non-animal, non-fortified food sources of it.
How to use button mushroom
Sliceable raw for salads, sautés in minutes, and holds its shape in curries and pulao, the reason it's the everyday, mild-flavoured default across Indian home cooking.
Trivia
CulinaryButtonTap to reveal a factThe world's most-farmed mushroom: button, cremini and portobello are the same species at different ages.
Frequently asked questions
Yes, "white mushroom" is just the common Western name for the same species, Agaricus bisporus, sold at the same young, pale stage as Indian button mushroom.
22 kcal, 3.1g protein, 1g fibre, and 318mg potassium per 100g raw: low calorie, meaningfully protein-dense for a vegetable.
Barely. Baby bella is cremini at a young stage, and cremini is the same species as button mushroom (Agaricus bisporus) picked a bit later. The nutrition profile is close enough to use interchangeably.